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H12-811_V1.0 HCIA-Datacom V1.0 Exam Questions and Answers

Questions 4

Apply the ACL configured in the figure in Telnet. Only the device with the IP address of 172.16.105.2 is allowed to log in remotely: ()#acl number 2000 rule 5 permit source 172.16.105.20#

Options:

A.

True

B.

False

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Questions 5

In the network shown in the figure below, the switch uses VLANIF interfaces to connect with the router sub-interfaces. Which of the following configurations can achieve this requirement? () (Single-choice question)

H12-811_V1.0 Question 5

Options:

A.

interface Vlanif10

Ip address10.0.12.1255.255.255.0

#

Interface GigabitEthernet 0/0/2

Port link-type trunk

Port trunk pvid 10

Port trunk allow-pass vlan 10

#

B.

interface Vlanif10

Ip address10.0.12.1255.255.255.0#

Interface GigabitEthernet 0/0/2

Port link-type trunk

Port trunk allow-pass vlan 10#

C.

interface Vlanif10

Ip address10.0.12.1255.255.255.0#

Interface GigabitEthernet 0/0/267

Port link-type hybrid

Port hybrid untag vlan 10

#

D.

interface Vlanif10

Ip address10.0.12.1255.255.255.0#

Interface GigabitEthernet 0/0/2

Port link-type access

Port default vlan 10

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Questions 6

As shown in the figure, it can be judged that 00e0-fc99-9999 is the specific host and MAC address learned by the switch through ARP. And the host has changed its IP address three times? () (Single-choice question)

10.137.217.21000e0-fc01-0203E1/0/0

10.2.2.100e0-fc99-9999Eth-Trunk 1

192.168.20.100e0-fc99-9999vlan100

10.0.0.100e0-fc99-9999vlan200

Options:

A.

True

B.

False

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Questions 7

As shown in the figure, a static NAT command is deployed on router R1. When the PC accesses the Internet, the destination address in the data packet will not change. ()(True or False)

H12-811_V1.0 Question 7

Options:

A.

B. False

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Questions 8

Which of the following parameters cannot be used for advanced access control lists? ()

Options:

A.

Physical interface

B.

B. time limit

C.

C. Agreement number

D.

D. Destination port number

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Questions 9

The classic network forwarding method is based on router routing table forwarding. The forwarding method of OpenFlow switches is based on flow table forwarding. Which of these two forwarding methods are correct? ()*

Options:

A.

The routing table is of fixed length. A device can only have one public routing table

B.

The flow table is getting longer. A network device can only have one flow table

C.

The matching method of the flow table is to match the MA of the flow at the same timeC.Address andIP address

D.

The matching method of the address table is to match the route of the destination network segment with the longest mask

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Questions 10

Which of the following is not included in the VRP system login method? ()

Options:

A.

Telnet

B.

Netstream

C.

SSH

D.

web

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Questions 11

When AP and MC are in different Layer 3 networks, what method is recommended for AP to discover AC?

Options:

A.

DHCP

B.

DNS

C.

Broadcasting method

D.

Manually specified on AP

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Questions 12

The output information of a router's routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)

H12-811_V1.0 Question 12

Options:

A.

The outbound interface of this router to 10.0.0.1 is Ethernet0/0/1

B.

The outgoing interface of this router to 10.0.0.1 is Ethernet0/0/0

C.

C. The outgoing interface of this router to 10.0.2.2 is Ethernet0/0/0

D.

The outbound interface of this router to 10.0.2.2 is Ethernet0/0/1

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Questions 13

Which of the following interfaces are not open to Huawei controllers?

Options:

A.

NETCONF

B.

RESTful

C.

AAA

D.

OpenFlow

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Questions 14

After OSPF is configured on the two routers, the administrator configures commands on RTA. Which of the following descriptions is correct? ()

Options:

A.

The neighbor relationship between the two routers will be down

B.

RTA. Will no longer send OSPF packets

C.

The neighbor relationship between the two routers will not be affected

D.

RTA. will continue to receive and analyze and process OSPF packets sent by RIB.

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Questions 15

At which layer of the OSI reference model do Ethernet switches operate? ( )

Options:

A.

Network layer

B.

Data link layer

C.

Physical layer

D.

Transport layer

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Questions 16

In the figure below, all switches have enabled the STP protocol, assuming that the path cost value of all ports is 200. What is the root path cost value contained in the configuration BPDU message received by the G0/0/4 port of $WD? () (Single-choice question)

H12-811_V1.0 Question 16

Options:

A.

600

B.

200

C.

0

D.

400

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Questions 17

A device has been configured to complete Telnet configuration. The device login address is 10.1.1.10. The Telnet user name is admin and the password is Huawei@123. The following is the correct way to use telnertlit to log in to this device? ()

Options:

A.

telnetlib.Telnet (10.1.1.0

B.

telnetlib.TeInet (10.1.1.0, admin

C.

telnetlib.Telnet 10.1.1.0.admin.Fuawei@123)

D.

telnetlib.Teinet 10.1.1.0, 23, admin.Huawei@123)

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Questions 18

What kind of packets does the OSPF protocol use to send LSAs to neighbors? ()

Options:

A.

LSU

B.

B. LSACK

C.

C. LSR

D.

D. LSA

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Questions 19

As shown in the figure, host A and host B want to implement inter-VLAN communication through single-arm routing. What configuration should be done under the G0/0/1.1 interface of RTA?()(Single-choice question)

H12-811_V1.0 Question 19

Options:

A.

dotlq termination vid 10

B.

C. dotlq termination vid 20

C.

D. dotlq termination vid 30

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Questions 20

How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q? ()

Options:

A.

12

B.

B. 6

C.

C. 10

D.

D. 8

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Questions 21

Which of the following IEEE802.11 standards does not support the 5GHz frequency band for communication? ()

Options:

A.

802.11g

B.

B. 802.11aC.wave 2

C.

C. 802.11aC.wave 1

D.

D. 802.11n

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Questions 22

Which of the following 0SPF protocol packets can ensure the reliability of LSA update? ()

Options:

A.

LSACK

B.

C. LSR

C.

D. DD

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Questions 23

For switches running the SIP protocol, the port needs to wait for the forwarding delay in the Learning state before it can be converted to the Forwarding state. ()

Options:

A.

True

B.

False

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Questions 24

The network management workstation manages network devices through the SNMP protocol. When an abnormality occurs in the managed device, what kind of SHMP message will the network management workstation receive? ()

Options:

A.

trap message

B.

B. get-response message

C.

C. set-request message

D.

D. get-request message

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Questions 25

As shown in the figure below. All hosts can communicate normally. Is the corresponding relationship between SWA MAC address and port correct? () (Single-choice question)

H12-811_V1.0 Question 25

Options:

A.

MAC-A GO/0/1

MAC-B G0/0/2

MAC-C G0/0/1

B.

MAC-A G0/0/2

MAC-B GO/0/2

MAC-C GO/0/3

C.

MAC-A GO/0/1

MAC-B GO/0/1

MAC-C GO/0/3

D.

MAC-A GO/0/1

MAC-B GO/0/2

MAC-C GO/0/3

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Questions 26

Which of the following IEEE 802.11 standards supports the 2.4 GHz frequency band only?

Options:

A.

802.11a

B.

802.11g

C.

802.11n

D.

802.11ax

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Questions 27

Refer to the display startup command output shown in the figure. Which of the following statements are true?

Options:

A.

The current VRP configuration file is different from that used for next startup.

B.

The current VRP configuration file is the same as that used for next startup.

C.

The current VRP version file is different from that used for next startup.

D.

The current VRP version file is the same as that used for next startup.

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Questions 28

When a company's network management needs to plan the network, the data packets that allow PC1 to access PC2 go through the G0/0/0 port (G0/0/2 on the picture). The data packet that PC2 accesses to PC1 goes from port G0/0/4 (G0/0/0 in the picture). () (Single-choice question)

H12-811_V1.0 Question 28

Options:

A.

10.0.12.5255.255.255.25511.0.12.6

#10.0.12.1255.255.255.25511.0.12.1

B.

10.0.12.5255.255.255.25511.0.12.210.

0.12.1255.255.255.25511.0.12.5

C.

0.0.0.00.0.0.00

#11.0.12.6

#11.0.12.1

0

D.

0.0.0.0

#0.0.0.0

0

#11.0.12.2

#11.0.12.5

0

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Questions 29

Which of the following statements about encapsulation and decapsulation are true?

Options:

A.

Encapsulation and decapsulation can locate network faults.

B.

Encapsulation and decapsulation shorten the packet length.

C.

Encapsulation and decapsulation participate in achieving different network protocol functions.

D.

Encapsulation and decapsulation can implement network communication.

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Questions 30

What are the advantages of OSPF?

Options:

A.

OSPF can load balance traffic among equal-cost routes.

B.

OSPF supports area partition.

C.

OSPF supports packet authentication.

D.

OSPF supports Classless Inter-Domain Routing (CIDR).

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Questions 31

Complete the ACL configuration shown in the figure on the router RTA. Which of the following descriptions is correct? () (Single-choice question)

(RTA) acl 2001

(RTA-acl-basic-2001) rule 20 permit source 20.1.1.0 0.0.0.255

[RTA-acl-basic-2001]rule 10 deny source 20.1.1.0 0.0.0.255

Options:

A.

The VRP system will adjust the sequence number of the first rule to 5 according to the configuration sequence.

B.

The VRP system will not adjust the sequence number, but will first match the rule permit source 20.1.1.00.0.0.255

C.

The VRP system will first match the rule deny source20.1.1.00.0.0.255 according to the sequence number.

D.

The sequence number of configuration error rules must be configured from small to large

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Questions 32

"The network administrator created VLAN 10 on the Layer 3 switch and configured an IP address under the virtual interface of the VLAN. When using the command "display ip interface brief to view the port status, and found that the VLANIF10 interface is in the dow state, what should be done? Operation to restore the VLANIF10 interface to normal? ()

Options:

A.

Assign an interface that must be Up and must be of type Trunk into VLAN 10

B.

Assign any physical interface to VLAN10

C.

Assign a physical interface that must be Up to VLAN 10

D.

Use the command "undo shutdown" under the VLANIF10 interface

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Questions 33

If AAA authentication is used on Huawei devices and the remote server does not respond, the authentication can be performed on network devices.

Options:

A.

TRUE

B.

FALSE

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Questions 34

The output information of a certain router is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)

H12-811_V1.0 Question 34

Options:

A.

The Router ID of the router is 10.0.1.1

B.

This router is DR

C.

The interface address of this router is 10.0.12.2

D.

The Router ID of the router is 10.0.2.2.

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Questions 35

Which of the following networks are LANs?

Options:

A.

Home network

B.

Metropolitan Area Network (MAN)

C.

Internet

D.

Office network of a company

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Questions 36

How many port states are involved in RSTP?

Options:

A.

1

B.

2

C.

4

D.

3

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Questions 37

The protocol uses the P/A. mechanism to speed up the upstream port's transition to the Forwarding state, but what is the reason for no temporary loop? ()

Options:

A.

Ensure that there will be no temporary loops through the synchronization mechanism

B.

B. Speed ​​up port role election

C.

C. Reduced the time of ForwarD.Delay

D.

D. Edge port

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Questions 38

The transmission rate of the Eth-Truk port in manual link aggregation mode is related to ().*

Options:

A.

Number of member ports

B.

Bandwidth of member port

C.

Whether an IP address is configured on the member port

D.

Is the member port on the public or private network

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Questions 39

The network is shown in the figure below. The router uses a sub-interface as the host gateway. The gateway IP address is 10.0.12.2. Which of the following commands can achieve this requirement? () (Multiple Choice Questions)

H12-811_V1.0 Question 39

Options:

A.

interface GigabitEthernet0/0/0.20Dotlg termination vid 10

Ip address10.0.12.2255.255.255.0Arp broadcast enable

B.

interface GigabitEthernet0/0/0.10Dotlq termination vid 10

Ip address10.0.12.2255.255.255.0 Arp broadcast enable #

C.

interface GigabitEthernet0/0/0.20Dotlq termination vid 20

Ip address10.0.12.2255.255.255.0Arp broadcast enable #

D.

interface GigabitEtherneto/0/0.10Dotlq termination vid 20

Ip address10.0.12.2255.255.255.0Arp broadcast enable

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Questions 40

In the CAPWAP tunnel establishment phase, after AC. receives the Join Request message sent by the AP, AC. will check the validity of the AP. Which of the following is the authentication method supported by AC. ()*

Options:

A.

SN certification

B.

PassworD. certification

C.

MAC. Authentication

D.

Not certified

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Questions 41

How to add AP on AC.? ()*

Options:

A.

Add online

B.

Automatically discover AP

C.

Import AP offline

D.

Manually confirm APs in the non-certified list

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Questions 42

The router ID of the OSPF-enabled router must be the same as the IP address of an interface on the router.

Options:

A.

TRUE

B.

FALSE

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Questions 43

Which of the following IPv6 addresses is a multicast address? ()

Options:

A.

FE80:2EO:FCFF:FEEF:FEC

B.

FC0O:2EO:FCFF:FEEF:FEC

C.

FF02::2EO:FCFF:FEEF:FEC

D.

2000::2EO:FCFF:FEEF:FEC

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Questions 44

In the RSTP protocol, when the edge port receives the configuration BPDU message, it loses the edge port attribute. ()

Options:

A.

True

B.

False

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Questions 45

In order for the STA to obtain the SSID related information on the AP, which of the following messages is used by the AP to proactively declare the wireless network SSID information? ()

Options:

A.

Join

B.

eacon

C.

Probe

D.

Discovery

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Questions 46

FIT AP does not need AC. It can also work independently ()

Options:

A.

True

B.

False

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Questions 47

What is RouterDeadInterval of the OSPF protocol on the broadcast network by default? ()

Options:

A.

40s

B.

10s

C.

20s

D.

30s

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Questions 48

Refer to the following configuration of a switch interface. Which of the following statements is false?

interface GigabitEthernet0/0/1

port link-type trunk

port trunk pvid vlan 200

port trunk allow-pass vlan 100

Options:

A.

If the VLAN tag carried in a data frame is 100, the switch removes the VLAN tag before sending the data frame.

B.

If the interface receives data frames without VLAN tags, the switch needs to tag the data frames with VLAN 200.

C.

The interface cannot send data frames tagged with VLAN 200.

D.

The link type of the interface is trunk.

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Questions 49

Which of the following packets are OSPF packets?

Options:

A.

LSA

B.

HELLO

C.

LSR

D.

LSU

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Questions 50

TION NO: 58

If the MAC address of an interface is 00E0-FCEF-0FEC, the corresponding EUI-64 address is ( ).

Options:

A.

02E0-FCFF-FEEF-0FEC

B.

02E0-FCEF-FFFE-0FEC

C.

00E0-FCEF-FFFE-0FEC

D.

00E0-FCFF-FEEF-0FEC

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Questions 51

The IP address 192.168.1.127/25 represents a ( ) address.

Options:

A.

Broadcast

B.

Multicast

C.

Host

D.

Network

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Questions 52

When two switches are connected through link aggregation, what are the requirements for the interfaces on the two switches?

Options:

A.

The physical interface rates of the interconnected switches are the same.

B.

The physical interface quantities of the interconnected switches are the same.

C.

The models of the optical modules used by the interconnected switches are the same.

D.

The duplex modes of the physical interfaces on the interconnected switches are the same.

E.

The physical interface IDs of the interconnected switches are the same.

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Questions 53

Which of the following fields are contained in an ARP packet?

Options:

A.

Source Protocol Address

B.

Source Hardware Address

C.

Hardware Type

D.

Operation Code

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Questions 54

For the Versatile Routing Platform (VRP), the login timeout period can be set only on a VTY interface.

Options:

A.

TRUE

B.

FALSE

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Questions 55

What is the main function of the DNS protocol?

Options:

A.

Remote access

B.

File transfer

C.

Domain name resolution

D.

Email transmission

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Questions 56

Refer to the following commands run on GigabitEthernet0/0/1 and GigabitEthernet0/0/2. Which of the following statements are true?

Options:

A.

The PVID of GigabitEthernet0/0/1 is 1.

B.

The PVID of GigabitEthernet0/0/2 is 1.

C.

The PVID of GigabitEthernet0/0/1 is 10.

D.

The PVID of GigabitEthernet0/0/2 is 10.

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Questions 57

Which of the following options describes the concept of NFV architecture correct?

Options:

A.

MANO is composed of NFVO, VNFM and VIM

B.

NFVO (NFV Orchestrator). Responsible for business orchestration.

C.

VIM (VirtualiseD.Infrastructure Manager) virtual resource management is responsible for the virtualization of infrastructure.

D.

VNFM. Virtual network function management, responsible for the life cycle management of VNF.

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Questions 58

Which of the following fields are included in an MPLS header?

Options:

A.

Label

B.

TTL

C.

EXP

D.

Tos

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Questions 59

Which of the following methods is not supported by the Versatile Routing Platform (VRP) to configure a router?

Options:

A.

Configure the router through FTP.

B.

Configure the router through the mini USB port.

C.

Configure the router through Telnet.

D.

Configure the router through the console port.

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Questions 60

According to the one-armed routing configurations shown in the figure, even if ARP proxy is disabled on the sub-interface of R1, the Administration Dept and Finance Dept can still communicate with each other.

H12-811_V1.0 Question 60

Options:

A.

TRUE

B.

FALSE

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Questions 61

Which SNMP version focuses on two main aspects, namely security and administration. The security aspect is addressed by offering both strong authentication and data encryption for privacy. The administration aspect is focused on two parts, namely notification originators and proxy forwarders.

Options:

A.

SNMPv2c

B.

SNMPv1

C.

SNMPv3

D.

SNMPv2

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Questions 62

Which of the following operations are mandatory to restore the factory default settings of an AR2200 router?

Options:

A.

Restarting the AR2200 router

B.

Resetting saved configurations

C.

Clearing the current configuration

D.

Specifying the configuration file for the next startup

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Questions 63

As shown in the figure, if host A has the ARP cache of host B, host A can ping host B.

H12-811_V1.0 Question 63

Options:

A.

TRUE

B.

FALSE

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Questions 64

Only one SSID can be bound to each radio of an AP.

Options:

A.

TRUE

B.

FALSE

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Questions 65

Which of the following statements are true about transport-layer protocols?

Options:

A.

UDP uses SYN and ACK flags to request and confirm connection establishment.

B.

UDP is suitable for transmitting delay-sensitive traffic, and UDP packets can be reassembled based on the sequence number field in the packet header.

C.

Establishing a TCP connection requires the three-way handshake mechanism, while terminating a TCP connection requires the four-way handshake mechanism.

D.

The well-known port number range is from 0 to 1023.

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Questions 66

After a switch restarts, static MAC address entries saved on the switch remain in the MAC address table.

Options:

A.

TRUE

B.

FALSE

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Questions 67

If the IPv4 address of a host on a LAN is 192.168.1.1/30, the host will process IP packets with specific destination IP addresses. Which of the following IP addresses may be the destination IP addresses?

Options:

A.

192.168.1.3

B.

192.168.1.1

C.

192.168.1.2

D.

255.255.255.255

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Questions 68

After the administrator performs the configuration shown in the figure on a router, which of the following commands can be used to specify a short lease for addresses assigned using DHCP?

Options:

A.

dhcp select relay

B.

lease 0

C.

lease day 0 hour 10

D.

lease 24

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Questions 69

Which of the following information is displayed when an entered command is incomplete on the Versatile Routing Platform (VRP)?

Options:

A.

Error: Wrong parameter found at 'A' position

B.

Error: Incomplete command found at 'A' position

C.

Error: Too many parameters found at 'A' position

D.

Error: Ambiguous command found at 'A' position

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Questions 70

Which of the following statements is true about the Forward Delay timer of STP?

Options:

A.

Reduce the interval for sending BPDUs.

B.

Improve the STP convergence speed.

C.

Improve the configuration BPDU lifetime, ensuring that the configuration BPDUs can be forwarded to more switches.

D.

Prevent temporary loops.

E.

Delay is required when a port transitions between Blocking and Disabled.

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Questions 71

Which of the following refers to network communication? ()*

Options:

A.

Use instant messaging software (such as: QQ. WeChat) to chat with friends

B.

Use a computer to access the company's official website

C.

Use computer to watch videos online

D.

Download emails from the company mailbox to your computer

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Questions 72

Which of the following methods is not used for logging in to the VRP system?

Options:

A.

Telnet

B.

Netstream

C.

Web

D.

SSH

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Questions 73

Two switches use manual link aggregation at the same time. The following statement is wrong. () (Single-choice question)

H12-811_V1.0 Question 73

Options:

A.

Only switch off G0/0/2 port on switch B. The Eth-Trunk status is still UP

B.

Turn off the G0/0/1 and G0/0/2 ports on switch B, and the Efh-Trunk status is still UP

C.

C. Only switch off G0/0/1 port on switch B. The Eth-Trunk status is still UP

D.

D. Turn off the G0/0/1 and G0/0/2 ports on switch B. The Eth-Trunk status is down

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Questions 74

Which of the following statements about IPv6 address configuration are correct? ()*

Options:

A.

IPv6 supports stateless automatic configuration

B.

IPv6 address supports automatic configuration in multiple ways

C.

IPv6 supports DHCPv6 for address configuration

D.

IPv6 addresses can only be configured manually

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Questions 75

DHCP is called Dynamic Host Configuration Protocol. It mainly assigns IP addresses and DNS information to hosts automatically. The messages used are ()

Options:

A.

discover

B.

Offer(Provided)

C.

request

D.

ACK (acknowledgement)

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Questions 76

On the command line interface of Huawei AR routers, the role of the Save command is to save the current system time.

Options:

A.

TRUE

B.

FALSE

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Questions 77

As shown in the picture. About OSPF topology and configuration. Which of the following statements is correct? () (Single-choice question)

H12-811_V1.0 Question 77

Options:

A.

R1 and R2 can establish a stable OSPF neighbor relationship

B.

R1 is more likely to become DR than R2, because its interface DR priority value is smaller

C.

As long as the interface network type of R1 is restored to the default broadcast type, R1 and R2 can establish a stable neighbor relationship

D.

As long as the interface network type of R1 is restored to the default broadcast type, and the hello time is adjusted to 10s, R1 and R2 can establish a stable neighbor relationship

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Questions 78

Which of the following statements about the S field in the MPLS packet header are correct? ()*

Options:

A.

The s bit has only ibit in frame mode, and 2bit in cell mode

B.

The s bit exists in every MPLS packet header

C.

Used to mark whether there are other labels behind this label, 1 means yes, 0 means no

D.

Used to mark whether there are other labels behind this label, 0 means yes, 1 means no

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Questions 79

Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()*

Options:

A.

Improve safety

B.

Improve reliability

C.

Achieve load sharing

D.

Increase bandwidth

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Questions 80

Which of the following parameters is not contained in STP configuration BPDUs?

Options:

A.

Bridge ID

B.

VLAN ID

C.

Root ID

D.

Port ID

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Questions 81

On Huawei routers, which of the following is the default preference of static routing?

Options:

A.

0

B.

100

C.

60

D.

120

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Questions 82

The two switches shown in the figure below have both enabled the STP protocol, which port will eventually be in the Blocking state? ()

H12-811_V1.0 Question 82

Options:

A.

STB's G0/0/3 port

B.

C. G0/0/2 port of STA

C.

D. G0/0/3 port of STA

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Questions 83

What is the corresponding Solicited.-node multicast address for IPv6 iAilt2019::8:AB.? ()

Options:

A.

FF02:1:FF20:19

B.

FF02:1:FE08:AB

C.

FF02:FF08:AB

D.

FF02:1:FF08:AB

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Questions 84

In the network shown in the figure below, there are the following configurations in Router A. Which of the following statements is correct?

ip route-statiC.10.0.2.2255.255.255.25510.0.12.2iP

Route-statiC.10.0.2.2255.255.255.25510.0.21.2pre ference 70

H12-811_V1.0 Question 84

Options:

A.

The Next in the routing table of Router A reaches 10.0.2.2. Hop is 10.0.21.2

B.

The Next in the routing table of Router A reaches 10.0.2.2. Hop is 10.0.12.2

C.

If the G0/0/2 port is Down, then Router A reaches 10.0.2.2. The route NextHop. is changed to 10.012.2

D.

If the G0/0/1 port is Down, the route NextHap from Router A to 10.0.2.2 is changed to 10.0.21.2

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Questions 85

The network shown in the figure. Which of the following configurations can realize that the host A can access the Internet, but the host B can not? (ABCD) (Multiple Choice Questions)

Options:

A.

acl number 2000

Rule5 deny source100.0.12.0.0.0.0.255Rule 10 permit

#

Interface GigabitEthernet0/0/3

Traffic-filter outbound acl 2000

#

B.

acl number 2000

Rule 5 permit source 100.0.13.0.0.0.0.255

Rule10 deny source100.0.12.0.0.0.0.255#

Interface GigabitEthernet0/0/3

Traffic-filter outbound acl 2000

#

C.

acl number 2000

Rule 5 permit source 100.0.13.0.0.0.0.255

Rule 10 deny

#

Interface GigabitEthernet0/0/3

Traffic-filter outbound acl 2000

#

D.

acl number 2000

Rule5 deny source 100.0.12.0.0.0.0.255 Rule 10 permit source 100.0.13.0.0.0.0.255

#

Interface GigabitEthernet0/0/3

Traffic-filter outbound acl 2000

#

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Questions 86

Which of the following descriptions about firewalls is wrong? ()

Options:

A.

Firewall can realize user identity authentication

B.

Firewall can realize access control between different networks

C.

The firewall can isolate the network of unreachable security level

D.

The firewall cannot implement network address translation

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Questions 87

When two OSPF routers form a 2TAY neighbor relationship, LSDB. has been synchronized.

Options:

A.

True

B.

False

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Questions 88

Which of the following descriptions about the 0SPF area is correct ()*

Options:

A.

All networks should be declared in zone 0

B.

The number of the backbone area cannot be 2

C.

Before configuring the OSPF area, you must configure an IP address for the loopback interface of the router

D.

The number range of the area is from 0.0.0.0 to 255.255.255.255

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Questions 89

STA. The only way to discover the wireless network is the Beacom frame sent by the AP. ()

Options:

A.

True

B.

False

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Questions 90

AAA. Which of the following is not included? ()

Options:

A.

Audit

B.

Accounting

C.

Authentication

D.

Authorization

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Questions 91

On VRP, the command lines are classified into four levels in increasing priority: Visit level, Monitoring level, Configuration level, and Management level. At which level, the operator is permitted to configure service but is not permitted to operate the file system?

Options:

A.

Visit level

B.

Configuration level

C.

Monitoring level

D.

Management level

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Questions 92

The routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)

H12-811_V1.0 Question 92

Options:

A.

The router forwards the destination from Ethernet0/0/0IPacket with P as 10.0.2.2.

B.

The NextHop of the destination network 10.0.3.3/32 is not directly connected, so the router will not forward packets with the destination IP address 10.0.3.3.

C.

The router forwards the purpose from Ethernet (/o/0IPackets with P as 10.0.3.3.

D.

The router forwards data packets whose destination IP is 10.0.12.1 from Ethernet (/0/0)

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Questions 93

What is the protocol of the Router Advertisement (RA) packet, which is used in IPv6 stateless address auto-configuration?

Options:

A.

TCPv6

B.

ICMPv6

C.

UDPv6

D.

IGMPv6

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Questions 94

The router Radius information configuration is shown in the figure. Which of the following statements are correct? ()#Radius-server template Huawei radius-server shared.key cipher Huawei radius-server authentication 200.0.12.1 1812 radius-server accounting 200.0.12.1 1813#*

Options:

A.

The source IP address of the Radius packet sent by the router is 200.0.12.2

B.

The P address of the accounting server is 200.0.12.1

C.

The P address of the authorization server is 200.0.12.1

D.

The P address of the authentication server is 200.0.12.1

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Questions 95

The processing behavior of the data frame received by the switch is ()

Options:

A.

Forward

B.

Flooding

C.

Throw away

D.

Forward from the receiving port

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Questions 96

Which of the following is not included in the routing table?

Options:

A.

MAC

B.

Next-hop address

C.

Cost

D.

Destination/Mask

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Questions 97

Which of the following statements about RA. and RS messages in IPv6 are correct? ()*

Options:

A.

RS is used to request address prefix information

B.

RA. Used to reply address prefix information

C.

D. RS is used to reply address prefix information

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Questions 98

What kind of packets does the OSPF protocol use to request LSAs that are missing locally? ()

Options:

A.

B. LSACK

B.

LSR

C.

D. LSU

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Questions 99

The configuration information of a certain port of the switch is shown in the figure. What is the PVID of this port? () (Single-choice question)

H12-811_V1.0 Question 99

Options:

A.

100

B.

2

C.

4

D.

1

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Questions 100

Which of the following protocols can be used to prevent Layer 2 loops on a campus network?

Options:

A.

SNMP

B.

RSTP

C.

NAT

D.

OSPF

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Questions 101

Fit APs can work independently of an AC.

Options:

A.

TRUE

B.

FALSE

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Questions 102

NAPT allows multiple private IP addresses to be mapped to the same public P address through different port numbers. The following description of the port number in NAPT is correct ().

Options:

A.

The correspondence between port numbers and private addresses must be manually configured

B.

No need to do any configuration about port number

C.

Only need to configure the range of port numbers

D.

Need to use ACL to assign port numbers

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Questions 103

By default, what is the period for sending 0SPF HELLO packets on the broadcast network? ()

Options:

A.

10s

B.

B. 20s

C.

C. 30s

D.

D. 40s

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Questions 104

Which of the following descriptions about Trunk port and Access port are correct ()

Options:

A.

Trunk port can only send untagged frames

B.

The Access port can only send untagged.

C.

Access port can only send tagged frames

D.

Trunk port can only send tagged frame

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Questions 105

If the application layer protocol is Te1net, then the value of the Protoco1 field in the IPv4 header? ()

Options:

A.

23

B.

17

C.

6

D.

67

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Questions 106

The administrator plans to implement route backup by configuring static floating routes. The correct way to achieve this is ()

Options:

A.

The administrator needs to configure different metric values ​​for the main static route and the standby static route

B.

The administrator needs to configure different TAGs for the main static route and the standby static route

C.

The administrator only needs to configure two static routes

D.

The administrator needs to configure different protocol priority values ​​for the main static route and the standby static route

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Questions 107

AC uses CAPTAP control tunnel transmission to FIt AP management packet

Options:

A.

True

B.

False

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Questions 108

A network engineer prompts the following message when entering the command line: Error: UnrecognizeD.commanD.founD.at '^' position. Which of the prompt information is correct? ()

Options:

A.

The input command is incomplete

B.

Wrong parameter type

C.

Keyword not found

D.

The input command is ambiguous

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Questions 109

After the network administrator uses the Tracer tRoute function on the router device, in the data packet sent by the router, the value of the Protoco1 field in the IPv4 header is?

Options:

A.

17

B.

B. 2

C.

1

D.

D. 6

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Questions 110

SNMP packets are transmitted by UDP.

Options:

A.

TRUE

B.

FALSE

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Questions 111

The following description of the Forwarding status in the spanning tree protocol is wrong (). ()*

Options:

A.

Ports in the Forwarding state can forward data packets

B.

The port in the Forwarding state does not learn the source MAC address of the packet.

C.

Ports in the Forwarding state can receive BPDU packets

D.

Ports in the Forwarding state must send BPDU message

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Questions 112

What are the components of the OSI reference model from top to bottom?

Options:

A.

Application layer, presentation layer, session layer, network layer, transport layer, data link layer, and physical layer

B.

Application layer, presentation layer, session layer, transport layer, network layer, data link layer, and physical layer

C.

Application layer, transport layer, network layer, data link layer, and physical layer

D.

Application layer, session layer, presentation layer, transport layer, network layer, data link layer, and physical layer

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Questions 113

If a windows host is started for the first time, if it uses DHCP to obtain an IP address, what is the source IP address of the first packet sent by this host? ()

Options:

A.

127.0.0.1

B.

169.254.2.33

C.

0.0.0.0

D.

255.255.255.255

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Questions 114

To provide different network services for different users on the AP, which of the following can be configured?

Options:

A.

TAP

B.

VAP

C.

VAC

D.

VT

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Questions 115

Can the administrator modify the device name for the router under ()?

Options:

A.

User-view

B.

Protocol-view

C.

System-view

D.

Interface-view

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Questions 116

All ports on the root bridge switch are designated ports. ()

Options:

A.

True

B.

False

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Questions 117

NFV (Network Functional Virtualization), network function virtualization, realizes the deployment of network applications in a software-based way. ()

Options:

A.

True

B.

False

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Questions 118

Which of the following address types does IPV6 have?

Options:

A.

Link local address

B.

C. Multicast address

C.

D. Unicast address

D.

E. Broadcast address

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Questions 119

What elements can NAPT convert? ()

Options:

A.

Only MAC. address

B.

IP address + port number

C.

MAC. Address + port number

D.

Only IP address

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Questions 120

What is wrong about the following description of the router? ()

Options:

A.

The router can be used as a gateway device

B.

The router cannot isolate the broadcast domain

C.

The router can realize IP packet forwarding

D.

The router works at the network layer

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Questions 121

What is the IEEE802.11 standard corresponding to Wi-F16? ()

Options:

A.

802.11au

B.

802.11ax

C.

802.11at

D.

802.11ac

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Questions 122

An ACL rule is as follows: Which of the following IP addresses can be matched by permit rules? () rule5per mit ip source10.0.2.00.0.254.255

Options:

A.

10.0.6.7

B.

10.0.4.5

C.

10.0.5.6

D.

10.0.2.I

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Questions 123

The following description of the Layer 2 Ethernet switch is incorrect ().

Options:

A.

Need to make certain modifications to the layer 3 header of the forwarded message, and then forward it

B.

Able to learn MAC. Address

C.

Forward according to the Layer 2 header information of the Ethernet frame

D.

Layer 2 Ethernet switch works at the data link layer

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Questions 124

When the host frequently moves the office, which VLAN division method is most suitable? ()

Options:

A.

Based on MAC. Address division

B.

Based on port division

C.

Based on IP subnetting

D.

Based on strategy division

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Questions 125

When learning this switch needs to forward the frame with the destination MAC. The address is 5489-98ec-f011, the following description is correct ()

Options:

A.

The switch will flood the frame on all ports except the port that received the frame

B.

The switch will send a message that the destination is unreachable to the source device

C.

The switch does not find a matching entry in the MAC. address table, so the frame will be discarded

D.

The switch needs to discover the MAC by sending a request..Device with address 548998ec-f011

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Questions 126

If the broadcast address of a network is 172.16.1.255, which of the following addresses is the network address?

Options:

A.

172.16.1.128

B.

172.16.1.1

C.

172.16.2.0

D.

172.16.1.253

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Questions 127

What are the stable states of OSPF neighbor relationship? ()*

Options:

A.

2-way

B.

Down

C.

Attempt

D.

Full

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Questions 128

The load sharing mode at both ends of the Eth-Trunk can be inconsistent ()

Options:

A.

True

B.

False

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Questions 129

The administrator configures R1 as shown in the figure. But R1 cannot learn the routes of other routers, so it may be.

The reason is? () (Multiple Choice Questions)

H12-811_V1.0 Question 129

Options:

A.

This router did not announce the network connected to neighbors when configuring ospf

B.

This router is not configured with authentication function but the neighbor router is configured with authentication function

C.

C. When this router is configured, the ospf process number is not configured

D.

The area configured by this routerID and its neighbor router areaID is different

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Questions 130

If the administrator wants to completely delete the old device configuration file, the following command is correct ().

Options:

A.

clear config.zip

B.

delete /unreserveD.config.zip

C.

delete /force config.zip

D.

reset config.zip

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Questions 131

The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host. ()

Options:

A.

True

B.

False

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Questions 132

System-view (huawei) command-privilege level3 view user save is correct about the above configuration command ()

Options:

A.

Modify the user's authority level to 3, and save the configuration

B.

Modify the permission level of the user view command to 3, and save the configuration

C.

Modify the authority level of the save command used by a user to 3

D.

Modify the permission level of the save command in the user view to 3

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Questions 133

What is the main function of the DHCP DISCOVER message? ()

Options:

A.

The server's confirmation response to the REQUEST message

B.

Used by the client to find the DHCP server

C.

The client requests configuration confirmation, or renews the lease

D.

The DHCP server is used to respond to the DHCP DISCOVER message, which carries various configuration information

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Questions 134

The Trunk port can send both tagged data frames and untagged data frames.

Options:

A.

True

B.

False

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Questions 135

Which of the following information is not included in the MAC address table of the switch? ()

Options:

A.

B. MAC.Address

B.

IP address

C.

D. VLAN

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Questions 136

When Huawei switches allow STP, the priority of the switch by default is ()

Options:

A.

32768

B.

8192

C.

16384

D.

4096

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Questions 137

The Priority field in the VLAN tag can identify the priority of the data frame. What is the scope of this priority? ()

Options:

A.

0-15

B.

0-63

C.

0-3

D.

0-7

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Questions 138

By default, what is the lease period for the DHCP server to assign an IP address? ()

Options:

A.

12h

B.

1h

C.

24h

D.

18h

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Questions 139

On the VRP platform, the default protocol priority of routes in the direct route, static route, RIP.OSPF area, from high to low, is ()

Options:

A.

Direct route. OSPF. Static route. RIP

B.

Direct route.Static route.RIP.OSPF

C.

Direct route. RIP. Static route. OSPF

D.

Direct route. OSPF. RIP. Static route

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Questions 140

Which of the following statements about hybrid interfaces is true?

Options:

A.

Hybrid interfaces can remove VLAN tags from some outgoing VLAN frames.

B.

Hybrid interfaces do not require PVIDs.

C.

Hybrid interfaces must carry VLAN tags when sending data frames.

D.

Hybrid interfaces receive only data frames with VLAN tags.

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Questions 141

What is the length of the Ethernet II frame containing the Ethernet header?

Options:

A.

64-1518B

B.

60-1560B

C.

46-1500B

D.

64-1500B

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Questions 142

The config mode is the default ACL matching order on Huawei devices. ()

Options:

A.

True

B.

False

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Questions 143

The mask length is 12 bits can be expressed as?

Options:

A.

255.240.0.0

B.

255.248.0.0

C.

255.255.0.0

D.

255.255.255.0

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Questions 144

The network administrator hopes that the data packets sent from host A. to host B. pass through the G0/0/3 interface between routers, and the data packets sent from host B. to host A. pass through G0/ between routers. 0/4 interface, which of the following commands can achieve this requirement? ()

Options:

A.

RTA.:ip route-statiC.10.0.12.5 255.255.255.252 11.0.12.2 RTB.:ip route-static/n10.0.12.1255.255.255.25211.0.12.5

B.

RTA.:ip route-statiC.10.0.12.5 255.255.B255.252 11.0.12.6 RTB.:ip route-static/n10.0.12.1255.255.255.25211.0.12.1

C.

RTA.:ip route-statiC.0.0.0.0 0.0.0.0 11.0.12.2 RTB.:ipRoute-statiC.0.0.0.00.0.0.0ln11.0.12.5

D.

RTA.:ip route-statiC.0.0.0.0 0.0.0.0 11.0.12.6 RTB.:ip

Route-statiC.0.0.0.00.0.0.0n11.0.12.1

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Questions 145

Which of the following IP addresses can be used by another host to communicate with the host whose IP address is 200.200.200.201/30 without the need to forward traffic through a router?

Options:

A.

200.200.200.1

B.

200.200.200.203

C.

200.200.200.202

D.

200.200.200.200

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Questions 146

There is a WeB server in the private network that needs to provide HITP services to public network users. Therefore, the network administrator needs to configure NAT on the gateway router RTA.

Options:

A.

RTA-Gigabitethernet0/0/1 nat server protocol tcp global 192.168.1.1 www inside 202.10.10.18080

B.

(RTA-Serial1/0/1) nat server protocol tcpglobal 192.168.1.1 www inside202.10.1 0.18080

C.

(RTA-Gigabitethernet0/0/1) nat server protocol tcp global 202.10.10.1 www inside 192.168.1.18080

D.

(RTA-Serial1/0/1) nat server protocol top global 202.10.10.1 www inside192.168.1.18080

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Questions 147

The router needs to modify the destination IP address in the data packet when forwarding the data packet. ()

Options:

A.

True

B.

False

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Questions 148

The following protocols are China's link state routing protocol

Options:

A.

OSPF

B.

C. Direct

C.

D. Static

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Questions 149

Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()

Options:

A.

Improve safety

B.

Achieve load sharing

C.

Increase bandwidth

D.

Improve reliability

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Questions 150

The router enables the FTP service, the user name and password are both huawei, and the root directory of FTP is set to flash:/dhcp/. Which of the following commands must be configured?*

Options:

A.

ftp server enable

B.

local-user huawoi ftp-directory flash:/dhcp/

C.

local -user huawei passrorD.cipher Huawei

D.

local-user huawei service-type ftp

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Questions 151

An authenticator router has been configured with two domains named "Area1" and "Area2", following which a user is created with the username "huawei" and the password "hello" for authentication. Which domain does this user belong to?

Options:

A.

Area2 domain

B.

default_admin domain

C.

Area1 domain

D.

default domain

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Questions 152

In order to realize the network layer function on the VLANIF interface, do you need to configure it on the VLANIF interface? ()

Options:

A.

MAC.Address

B.

Subnet mask

C.

IP prefix

D.

IP address

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Questions 153

Which of the following routing protocols has the highest priority?

Options:

A.

Direct

B.

C. Static

C.

D. OSPF

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Questions 154

If it is UDP, the value of the protocol field of the network layer is 6 ()

Options:

A.

True

B.

False

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Questions 155

Which of the following elements are included in the routing table? ()*

Options:

A.

Interface

B.

Destination/Mask

C.

Protocol

D.

NextHop

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Questions 156

The router uses the sub-interface as the gateway of the host, and the P address of the gateway is 10.0.12.2. Which of the following commands can achieve this requirement? ()

Options:

A.

Interface GigabitEthernet0/0/0.20 Dotlq termination viD.10 ip address10.0.12.2n255.255.255.0 Arp broadcast enable#

B.

Interface GigabitEthernet0/0/0.10 Dotlq termination viD.10 ip address10.0.12.2n255.255.255.0 Arp broadcast enable#

C.

Interface GigabitEthernet0/0/0.10 Dotlq termination viD.20 ip address10.0.12.2n255.255.255.0 Arp broadcast enable#

D.

Interface GigabitEthernet0/0/0.20 Dotlq termination viD.20 ip address10.0.12.2\n255.255.255.0 Arp broadcast enable#

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Questions 157

The following figure shows the routing table of a router. When the router receives a destinationIWhen the P address is a data packet of 9.1.1.1,The router will forward according to the route of 9.1.0.0/16 because the mask length of this route is longer. ()(True or False)

H12-811_V1.0 Question 157

Options:

A.

B. False

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Questions 158

Which of the following commands can be used to query the configuration information of the device's 0SPF protocol? ()*

Options:

A.

dis ip routing-table

B.

Enter the command "display t in the OsPF protocol view.

his\

,.:

,.:

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Questions 159

Which of the following IPv6 addresses can be abbreviated as 2FFF DAC:ABEF:CDAA:732? ()

Options:

A.

2FFF:ODAC.:ABEF:0000:0000:0000:CDAA4:0732

B.

2FFF:ODAC:ABEF 0000:0000:CDAA:0732

C.

2FFF DACO:ABEF 0000000:0000:CDAA:0732

D.

2FFF:ODAC:ABEF:0000:0000:0000:CDAA:7320

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Questions 160

There is no channel overlap in the 14 available frequency bands in the 2.4GHz frequency band. ()

Options:

A.

True

B.

False

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Questions 161

There are hosts in a private network that need to access 1nternet. In order to achieve this requirement, which of the following configurations should be done by the administrator on the edge router of the network? ()*

Options:

A.

Default route

B.

STP

C.

DHCP

D.

NAT

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Questions 162

Which of the following attributes cannot be used as a measure of CoThe parameter of st? ()*

Options:

A.

bandwidth

B.

Sysname

C.

Time delay

D.

Hop count

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Questions 163

What are the user authentication methods that can be deployed in wlan? ()

Options:

A.

Portal authentication

B.

MAC. Authentication

C.

Radius certification

D.

802.1X authentication

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Questions 164

VLAN 4095 is reserved for system use and VLAN 1 cannot be deleted on Huawei switches.

Options:

A.

TRUE

B.

FALSE

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Questions 165

Which of the following statements about Prefix Segment is wrong? ()

Options:

A.

Prefix Segment spreads to other network elements through the IGP protocol, which is globally visible and effective

B.

B. Prefix Segment needs to be configured manually

C.

Prefix Segment is used to identify a destination address prefix in the network (Prefix)

D.

Prefix Segment can be automatically allocated by IGP

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Questions 166

Which of the following IPv4 addresses can be used by a host to directly access the Internet? ()

Options:

A.

192.168.1.1/24

B.

172.32.1.1/24

C.

172.16.255.254/24

D.

10.255.255.254/24

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Questions 167

Which of the following descriptions about firewalls is wrong? ()

Options:

A.

The firewall cannot network address translation

B.

C. Firewall can realize user identity authentication

C.

Firewall can realize access control between different networks

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Questions 168

In what state does the OSPF protocol determine the master-slave relationship of DD. packets? ()

Options:

A.

B. Full

B.

2-way

C.

D. Exchange

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Questions 169

Which field of the ipv6 packet header can be used for QoS? ()

Options:

A.

TraffiC.Class

B.

B. PayloaD.Length

C.

Version

D.

D. Next Header

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Questions 170

There is no need to write a hop when writing static routes at both ends of the PPP link. The Ethernet link needs

Options:

A.

True

B.

False

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Questions 171

Which of the following authentication methods does not require the user name and password? ()

Options:

A.

authentication-mode none

B.

C. authorization-mode hwtacacs

C.

D. Authentication-mode hwtacacs

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Questions 172

The role of the collaboration layer in the SDN architecture is to complete job deployment based on user intentions. OpenStack belongs to the business collaboration layer ()

Options:

A.

True

B.

False

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Questions 173

Which of the following statements is correct for the ACL configured in the Telnet application? ()

Options:

A.

The device with P address 172.16.105.4 can use Telnet service

B.

The device with IP address 172.16.105.3 can use Telnet service

C.

The device with IP address 172.16.105.5 can use Telnet service

D.

The device with P address 172.16.105.6 can use Telnet service

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Questions 174

Which of the following packet types is used by RADIUS to indicate authentication rejection? ()

Options:

A.

Access-Accept

B.

Access-Request

C.

Access-Challenge

D.

Access-Reject

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Questions 175

Which of the following is not the reason why RSTP can increase the speed of convergence? ()

Options:

A.

B. The introduction of edge ports

B.

Forward.Delay cancelled

C.

D. P/A. Mechanism

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Questions 176

Which of the following fields is not included in the HELL0 packet of the OSPF protocol? ().

Options:

A.

Neighbor

B.

Network Mask

C.

HelloInterval

D.

Sysname

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Questions 177

The router needs to modify the destination IP address in the data packet when forwarding the data packet ()

Options:

A.

True

B.

False

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Questions 178

A certain ACL of the router is in the following rules, rule deny source192.168.2.00.0.0.255 destination 172.16.10.20.0.0.0 Which of the following statements is correct? ()

Options:

A.

The source IP is 172.16.10.2. All TCP packets whose destination IP is 192.168.2.1 match this rule

B.

All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.1 match this rule

C.

C. sourceIP is 172.16.10.2 and all TCP packets whose destination IP is 192.168.2.0 match this rule

D.

sourceIAll TCP packets whose P is 192.168.2.1 and destination P is 172.16.10.2 are configured with this rule.

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Questions 179

All four switches run STP, and various parameters adopt default values. If the G0/0/2 port of switch C is blocked and the configuration BPDU cannot be sent through this port, how long will the blocked port in the network enter the forwarding state ()

Options:

A.

About 50 seconds

B.

About 30 seconds

C.

D. About 15 seconds

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Questions 180

The last option field (option) of 1Pv4 is variable-length optional information. What is the maximum length of this field? ()

Options:

A.

10B

B.

40B

C.

60B

D.

20B

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Questions 181

Telnet.read in TelnetliB._The role of all() is to read all data until EOF. If the echo does not return EOF, it will always block ()

Options:

A.

True

B.

False

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Questions 182

DHCP is an application layer protocol. In order to make it more reliable when assigning P, its transport layer uses TCP protocol.

Options:

A.

True

B.

False

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Questions 183

What are the characteristics of VLAN based on ports? ()

Options:

A.

Add an AVLAN tag to the data frame according to the IP address carried in the message

B.

B. Assign VLAN ID according to the protocol type and encapsulation format of the data frame

C.

C. No need to reconfigure VLAN when the host moves

D.

When the host moves, the VLAN needs to be reconfigured

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Questions 184

FTP transfer data at a time requires several TCP connections to be established

Options:

A.

2

B.

C. 3

C.

D. 4

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Questions 185

Which of the following statements about Prefix Segment is wrong? ()

Options:

A.

Prefix Segmont needs to be configured manually

B.

Prefix Segment spreads to other network elements through the IGP protocol, which is globally visible and effective

C.

Prefix Segment is used to identify a destination address prefix in the network (Prefix)

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Questions 186

The CAPWAP protocol stipulates the communication standard between AC. and Ap. Which of the following statements about the CAPWAP protocol is correct? ()

Options:

A.

CAPWAP is an application layer protocol based on TCP transmission

B.

In order to establish a CAPWAP tunnel, the FIT Ap can only discover the AC through broadcast messages

C.

In order to reduce the burden on the AP, CAPWAP uses a tunnel to simultaneously transmit control messages and data messages

D.

The AP can encapsulate the user's data message in CAPWAP and hand it over to the AC.

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Questions 187

After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()

Options:

A.

B. Upgrade software version

B.

Establish a CAPTAP tunnel

C.

D. Request configuration file

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Questions 188

On Huawei switches, you can use the vlan batch command to create multiple VLANs in batches, simplifying the configuration process. ()

Options:

A.

True

B.

False

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Questions 189

What is the value of TPID. defined by IEEE802.1Q? ()

Options:

A.

B. 0x7200

B.

0x8100

C.

D. 0x9100

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Questions 190

The following statement about the TTL field in the IP packet header is correct. ()

Options:

A.

TTL defines the time interval at which the source host can send data packets

B.

B. TTL defines the number of packets that the source host can send

C.

Each time a P packet passes through a router, its TTL value will be reduced by 1

D.

Each time an IP packet passes through a router, its TTL value is increased by 1

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Questions 191

When using the FTP protocol to upgrade the router software, the transmission mode should be selected ()

Options:

A.

Binary mode

B.

B. Byte mode

C.

C. Text mode

D.

D. Stream byte mode

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Questions 192

Telnet is based on TCP protocol ()

Options:

A.

True

B.

False

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Questions 193

If the Length of an Ethernet data frame/Type = 0x8100, which of the following statements is correct? ()

Options:

A.

There must be an IP header in the upper layer of this data frame

B.

This data frame must carry VLAN TAG

C.

There must be a UDP header in the upper layer of this data frame

D.

There must be a TCP header in the upper layer of this data frame

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Questions 194

The tracert diagnostic tool in Huawei routers is used to track the data forwarding path. ()

Options:

A.

True

B.

False

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Questions 195

Which of the following IPv6 is a global unicast address ()

Options:

A.

2001::12:1

B.

B. FF02:1

C.

C. FF:02:2E0:FCFF:FEEF:FEC

D.

D. FEE:FCFF:FEEF:FEC

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Questions 196

When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header? ()

Options:

A.

Source IPv4 Address

B.

TTL

C.

Destination IPv4 Address

D.

Sequence Number

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Questions 197

If host A. has the ARP cache of host B., host A. can ping host B. ()

Options:

A.

True

B.

False

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Questions 198

The VlanIF IP addresses of the same switch cannot be the same. ()

Options:

A.

True

B.

False

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Questions 199

Which of the following information prompts is used by the VRP operating platform for incomplete input commands? ()

Options:

A.

False Incomplete commanD.founD.at'position

B.

C. Error:Too many parameters founD.at'position

C.

D. Error: Wrong parameter founD.at'position

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Questions 200

The management of users by NAS devices is based on domains. Each user belongs to a domain, and a domain is a group composed of users belonging to the same domain. ()

Options:

A.

True

B.

False

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Questions 201

Which of the following statements about the edge port in the RSTP protocol is correct? ()

Options:

A.

The edge port discards the received configuration BPDU packet

B.

The edge port can be directly transferred to the Forwarding state from Disable

C.

Edge port participates in RSTP operation

D.

The interconnection ports between switches need to be set as edge ports

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Questions 202

Which of the following statements about MPLS Labe1 labels is wrong? ()

Options:

A.

The label is encapsulated between the network layer and the transport layer

B.

The label is carried by the header of the message and does not contain the topologyinformation.

C.

The label is used to uniquely identify the forwarding equivalence class FEC to which a packet belongs

D.

The tag is a short identifier with a fixed length. It only has a local meaning

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Questions 203

FIT AP can work independently without relying on AC. ()

Options:

A.

True

B.

False

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Questions 204

On the VRP operating platform, what command is used to display the current interface configuration in the interface view? ()

Options:

A.

display users

B.

display version

C.

display this

D.

display ip interfacebrief

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Questions 205

Which of the following statements about single-arm routing are correct? ()

Options:

A.

On the switch, configure the port connected to the router as a Trunk port, and allow the relevant AN frame to pass

B.

B. One physical connection per VLAN

C.

C. Need to create a subinterface on the router

D.

D. Only one physical link is used between the switch and the router to connect

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Questions 206

Among the following commands for configuring the default route, the correct one is ()

Options:

A.

(Huawei) ip route-statiC.0.0.0.0 0.0.0.0 192.168.1.1

B.

(Huawei) ip route-statiC.0.0.0.0 0.0.0.0 0.0.0.0

C.

D. (Huawei) ip route-statiC.0.0.0.0 255.255.255.255192.168.1.1

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Questions 207

How many more bytes are the packets using MPLS label double-layer nesting technology than the original IP packets ()

Options:

A.

8

B.

4

C.

D. 16

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Questions 208

An existing switch is connected to a designated port through a port, but the port does not forward any packets, but can monitor network changes by receiving BPDUs, then the role of the port should be ().

Options:

A.

Alternate port

B.

Disable port

C.

D. Root port

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Questions 209

The Backup port in RSIP can replace the failed root port. ()

Options:

A.

True

B.

False

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Questions 210

PPPoE sessions can only use CHAP authentication ()

Options:

A.

True

B.

False

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Questions 211

If the Proto of a certain route information in the routing table is OSPF, the priority of this route must be 10. ()

Options:

A.

True

B.

False

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Questions 212

When the Access type port sends a message, it will ().

Options:

A.

Strip the VLAN information of the high packet, and then send it out

B.

Type the PVID. information of this port, and then send it out

C.

C. Send tagged messages

D.

Add the VLAN information of the message, and then send it out

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Questions 213

Which of the following descriptions of wireless devices is correct? ()

Options:

A.

FIT AP-Generally complete user access, authentication, service forwarding and other functions independently

B.

The wireless controller AC is generally located at the convergence layer of the entire network, providing high-speed, safe and reliable VLAN services

C.

D. FAT AP generally works with wireless controller

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Questions 214

The following statement about static routing is wrong ()

Options:

A.

Cannot automatically adapt to changes in network topology

B.

Manual configuration by network administrator

C.

Low system performance requirements

D.

Routers need to exchange routing information

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Questions 215

Network devices running the SNMP protocol run an agent process locally. ()

Options:

A.

True

B.

False

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Questions 216

In the broadcast network, OSPF runs on four routers in the same area and on the same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect ()

Options:

A.

True

B.

False

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Questions 217

What is the full name of the general routing platform VRP? ()

Options:

A.

Versatile Redundancy Platform

B.

Versatile Routing Protocol

C.

Versatile Routing Platform

D.

Virtual Routing Platform

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Questions 218

When building a campus network, which of the following protocols can be used to avoid Layer 2 loops? ()

Options:

A.

RSTP

B.

C. NAT

C.

D. OSPF

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Questions 219

The following description about the specified port of the spanning tree is correct ()

Options:

A.

The designated port can forward configuration BPDU packets to the network segment connected to it

B.

C. The port on the root switch must be a designated port

C.

D. The port on the root switch must not be a designated port

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Questions 220

The second layer switch belongs to the data link layer device, which can identify the MAC address information in the data frame, forward data according to the MAC address, and record these MAC addresses and corresponding port information in its own MAC address table. ()

Options:

A.

True

B.

False

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Questions 221

UDP is connectionless and must rely on () to ensure the reliability of transmission.

Options:

A.

B. Transmission Control Protocol

B.

Network layer protocol

C.

D. Application layer protocol

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Questions 222

What is the maximum negotiation rate supported by the IEEE802.11g standard? ()

Options:

A.

B. 150Mbps

B.

54Kbps

C.

D. 1200Mbps

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Questions 223

How many types of OSPF packets are there? ()

Options:

A.

B. 4

B.

5

C.

D. 3

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Questions 224

Regarding the IPv6 address 2031:0000:720C:0000:0000:09E0:839A:130B, which of the following abbreviations are correct? ()

Options:

A.

2031:0:720C:-9E0:839A:130B

B.

2031:0:720C:0:0:9E0:839A:130B

C.

D. 2031:720C:9E0:839A:130B

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Questions 225

The network shown in the figure below. Two switches are connected by four links. COPPER refers to electrical interface and FIBER refers to optical interface. Then which two interfaces can realize link aggregation? () (Single-choice question)

H12-811_V1.0 Question 225

Options:

A.

G0/0/2 and FE0/0/3

B.

G0/0/3 and FE0/0/3

C.

G0/0/2 and G0/0/1

D.

G0/0/3 and G0/0/2

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Questions 226

The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)

H12-811_V1.0 Question 226

Options:

A.

The MAC address 5489-9811-0b49 is manually configured by the administrator

B.

B. The MAC address 5489-989d-1d30 is manually configured by the administrator

C.

After the switch restarts, all MAC addresses need to be relearned. The MAC address 5489-9885-18a8 is manually configured by the administrator

D.

The MAC address 5489-9885-18a8 is manually configured by the administrator

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Questions 227

In an IPv4 network, AP supports static and DHCP methods to obtain IP addresses. ()

Options:

A.

True

B.

False

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Questions 228

The network structure and OSPF partition are shown in the figure. Except for RTA in the figure, the routers RTB, RTC and RTD are all ABR routers. ()(True or False)

H12-811_V1.0 Question 228

Options:

A.

True

B.

False

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Questions 229

The network shown in the figure below. The network where host A is required to access the Internet through Easy IP, then which of the following ACLs should be used on the G0/0/3 interface of router A? () (Single-choice question)

H12-811_V1.0 Question 229

Options:

A.

acl number 2000 Rule 5 permit source 10.0.12.0.0.0.0.255#

B.

acl number 2000 Rule 5 permit source 10.0.13.0.0.0.0.255#

C.

acl number 2000 Rule 5 permit source 10.0.12.1.0.0.0.0#

D.

D. acl number 2000 Rule 5 permit source 10.0.13.1.0.0.0.0

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Questions 230

The configuration information of a certain router is shown in the figure. Which of the following statements are correct? () (Single-choice question)

#

aaa

authentication-scheme default

authentication-scheme huawei

authentication-mode radius

authorization-scheme default

authorization-scheme huawei

accounting-scheme default

domain default

domain default admin

domain huawei

authentication-scheme huawei

authorization-scheme huawei

local-user huawei password cipher 123456

local-user huawei@huawei password cipher 654321

#

Options:

A.

The domain with the domain name huawei does not use the billing plan

B.

Use the username huawei for authentication. The password needs to be 654321

C.

The authentication method adopted for the domain with the domain name huawei is local authentication

D.

The authorization method for the domain with the domain name huawei is local authorization

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Questions 231

Which of the following IEEE802.11 standards does not support communication in the 5GHz frequency band? ()

Options:

A.

802.11g

B.

C. 802.11n

C.

D. 802.11aC.wave 1

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Questions 232

Among the configuration BPDUs sent by the switch, which bridge D. is unlikely to appear? ()

Options:

A.

819200-01-02-03-04-CC

B.

409600-01-02-03-04-CC

C.

000-01-02-03-04-CC

D.

204800-01-02-03-04-CC

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Questions 233

The output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-choice question)

H12-811_V1.0 Question 233

Options:

A.

The broadcast address corresponding to the AEthernet0/0/0 interface is 10.0.12.255

B.

B. The physical link of the Ethernet0/0/0 interface is normal

C.

Ethernet0/0/0 interfaceThe MTU value is 1480

D.

D. Ethernet (The IP address of the /0/0 interface is 10.0.12.1/24

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Questions 234

The network is shown in the figure. Which router is the BDR in this network? () (Single-choice question)

H12-811_V1.0 Question 234

Options:

A.

B. No BDR

B.

C. Router C

C.

D. Router A

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Questions 235

Using the command mkdirtest in the VRP operating platform, the system will create a directory named test. ()

Options:

A.

True

B.

False

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Questions 236

AAA. Which of the following is not included? ()

Options:

A.

Authentication

B.

Accounting

C.

Authorization

D.

Audit

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Questions 237

Which of the following IE802.11 standards only supports the 24GHz frequency band for communication? ()

Options:

A.

802.11g

B.

C. 802.11ax

C.

D. 802.11a

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Questions 238

What is the function of the command port trunk allow pass vlan all? ()

Options:

A.

If the port default vlan3 command is configured for the connected remote device, VLAN3 cannot communicate between the two devices

B.

All VLAN data frames are allowed to pass through this port

C.

The connected peer device can dynamically determine which VLAN IDs are allowed.

D.

The opposite port connected to the port must be configured with port trunk permit vlan all at the same time

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Questions 239

Refer to the configuration of the single-arm routing in the figure below, you can judge that even if the ARP proxy is not enabled on the sub-interface of R1,The administrative department and the financial department can also visit each other. ()(True or False)

H12-811_V1.0 Question 239

Options:

A.

True

B.

False

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Questions 240

As shown in the figure. All four switches are running $TP. Various parameters are set to default values. If the GO/0/2 port of switch C is blocked and cannot send configuration BPDUs through this port, how long will it take for the blocked port in the network to enter the forwarding state? () (Single-choice question)

H12-811_V1.0 Question 240

Options:

A.

About 50 seconds

B.

C. About 15 seconds

C.

D. About 3 seconds

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Questions 241

The administrator made the configuration on the router as shown in the figure. At the same time, the administrator wants to assign a shorter lease period to the DHCP address. Which of the following commands should be used? () (Single-choice question)

ip pool pooll

netyork10.10.10.0ask255.255.255.0

gateway-list 10.10.10.1

Options:

A.

B. Dhcp select relay

B.

C. Lease day 0 hour 10

C.

D. Lease 24

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Questions 242

The router receives a data packet with a destination IP address of 11.0.12.1 from host A. After this data packet is forwarded by the router, what are the destination MAC. and destination IP? ()

Options:

A.

B. MAC-D.10.0.12.2

B.

MAC-D.11.0.12.1

C.

D. MAC-B.11.0.12.1

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Questions 243

If the configured ACL rules have an inclusive relationship, it should be noted that the rule numbers of strict conditions need to be sorted first, and the rule numbers of loose conditions need to be sorted later to prevent packets from hitting the rules of loose conditions and stop being pushed down to continue matching. Cannot hit the strict conditions of the rules. ()

Options:

A.

True

B.

False

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Questions 244

As shown in the figure below: The wrong statement is: ()acl number 2000 rule 5 deny source 200.0.12.00.0.0.7 rule 10permit source200.0.12.00.0.0.15 interfaceGigabitEthernetO/0/1 traffic-filteroutbounD.ac12000

Options:

A.

The host whose source IP address is 200.0.12.4 cannot access the Internet

B.

B. The host whose source IP address is 200.0.12.2 cannot access the Internet

C.

The host whose P address is 200.0.12.8 cannot access the Internet

D.

D. The host whose source IP address is 200.0.12.6 cannot access the Internet

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Questions 245

The following two configuration commands can realize the master and backup backup of the router RIA to the same destination 10.1.1.0.

H12-811_V1.0 Question 245

Options:

A.

True

B.

False

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Questions 246

As shown in the figure below, in the MAC address table of the network. SWA and SWB, which of the MAC addresses, VLANs, and ports are correct? () (Single-choice question)

H12-811_V1.0 Question 246

Options:

A.

SWB:

MAC Address VLAN

Port

MAC-A

MAC-B

MAC-C

100

200

100

GEC/0/3

GEC/0/3

GEC/0/1

B.

SWA:

MAC Address

VLAN

Port

MAC-A

MAC-B

MAC-C

10

GEC/O/1

GEC/0/2

GEC/0/3

20

100

C.

SWB:

MAC Address VLAN

Port

MAC-A

MAC-B

MAC-C

10

GEC/0/3

GEC/0/3

GEC/0/1

20

100

D.

SWA:

MAC

Address VLAN

Port

MAC-A

MAC-B

MAC-C

10

GEC/0/3

20

GEC/0/3

GEC/0/3

100

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Questions 247

As shown in the broadcast network. 0SPF runs on four routers. And in the same area. Same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect. ()(True or False)

H12-811_V1.0 Question 247

Options:

A.

True

B.

False

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Questions 248

What is wrong about the description of the information as shown in the figure? () (Single-choice question)

(RI) display interface g0/0/0

GlgabltEtherneto/0/0 current state :Adainistratively DOWN Line protocol current state :DOWN

Options:

A.

B.The GigbitEthernet0/0/0 interface is not configured with an IP address

B.

C.The GigbitEthernet0/0/0 interface was manually closed by the administrator

C.

D.GigbitEthernet (0/0/0 interface does not enable dynamic routing protocol

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Questions 249

In the network shown in the figure below, when the 0$PF neighbor status is stable. What is the neighbor status of Router B and Router C?

H12-811_V1.0 Question 249

Options:

A.

2-way

B.

C. Attempt

C.

D. Down

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Questions 250

The mac address of the existing switch is shown in the figure. Which of the following statements is correct ()? (Multiple Choice Questions)

H12-811_V1.0 Question 250

Options:

A.

When the switch restarts, the mac address learned by port Eth0/0/2 does not need to be relearned

B.

The data frame with the source mac address of 5489-9885-18a8 and the destination mac address of 5489-989d-1d30 learned from the port is forwarded from the Eth0/0/1 port

C.

The source mac address learned from the port is 5489-9811-0b49. The data frame with the destination mac address 5489-989d-1d30 is forwarded from the Eth0/0/2 port

D.

When the switch restarts, the mac address learned by port Eth0/0/3 needs to be re-learned

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Questions 251

As shown in the figure below. Which port of the following switches will be blocked? () (Single-choice question)

H12-811_V1.0 Question 251

Options:

A.

B.SWA's G0/0/3

B.

C.SWC's G0/0/1

C.

D.G0/0/3 of SWB

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Questions 252

Which of the following OSPF versions is suitable for IPv6? ()

Options:

A.

OSPFv1

B.

OSPFv2

C.

OSPFv3

D.

OSPFv4

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Questions 253

Which of the following statements regarding static routing and dynamic routing is incorrect?

Options:

A.

Dynamic routing will use more resources than static routes.

B.

The static routing can automatically recover when a link failure is encountered.

C.

The use of dynamic routing is more convenient for the administrator to manage the network following network convergence.

D.

The static routing can be easily configured and managed on the enterprise network.

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Questions 254

What is used as the data link-layer MAC address that identifies each VAP on an AP?

Options:

A.

BSS

B.

SSID

C.

BSSID

D.

ESS

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Questions 255

If a device running STP receives an RSTP configuration BPDU, it discards the BPDU.

Options:

A.

TRUE

B.

FALSE

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Questions 256

As shown in the figure, which of the following ports will be in blocking state?

H12-811_V1.0 Question 256

Options:

A.

G0/0/3 of SWA

B.

G0/0/3 of SWB

C.

G0/0/2 of SWC

D.

G0/0/1 of SWC

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Questions 257

If the transport-layer protocol is UDP, the value of the "Protocol" field at the network layer is 6.

Options:

A.

TRUE

B.

FALSE

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Questions 258

RSTP uses the proposal/agreement mechanism to shorten the time that an upstream port waits before transitioning to the Forwarding state, but no temporary loop occurs. Why?

Options:

A.

RSTP introduces the edge port role.

B.

RSTP accelerates port role election.

C.

RSTP uses a synchronization mechanism to prevent temporary loops.

D.

RSTP shortens the time taken by port status transition (Forward Delay).

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Questions 259

Which of the following statements about switches is false?

Options:

A.

A switch can provide network access services for terminals such as PCs and servers.

B.

A switch can exchange data frames.

C.

A switch is typically deployed as an egress device of a network.

D.

A switch usually works at the data link layer.

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Questions 260

After an Eth-Trunk in LACP mode is created, devices on both ends send LACPDUs to elect the Actor. Which of the following parameters in LACPDUs determine the Actor election?

Options:

A.

Device priority

B.

Interface number

C.

MAC address

D.

Interface priority

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Questions 261

Which of the following are true about the Ethernet data frame with the "Length/Type" field being 0x0806?

Options:

A.

The source MAC address of the data frame is definitely not FFFF-FFFF-FFFF.

B.

The data frame is an Ethernet II frame.

C.

The data frame is an IEEE 802.3 frame.

D.

The destination MAC address of the data frame must be FFFF-FFFF-FFFF.

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Questions 262

Refer to the following configuration of an interface on a switch. What is the PVID of the interface?

interface GigabitEthernet0/0/1

port hybrid tagged vlan 2 to 3 100

port hybrid untagged vlan 4 6

Options:

A.

2

B.

100

C.

1

D.

4

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Questions 263

Assuming all STP enabled switches have the same bridge priority. The MAC address of switch A is 00-e0-fc-00-00-40, the MAC address of switch B is 00-e0-fc-00-00-10, the MAC address of switch C is 00-e0-fc-00-00-20, and the MAC address of switch D is 00-e0-fc-00-00-80. Which switch will be elected as the root switch?

Options:

A.

Switch B

B.

Switch A

C.

Switch D

D.

Switch C

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Questions 264

Which of the following is correct regarding the configuration of the trunk port and access port on a switch?

Options:

A.

Access ports can only send untagged frames.

B.

Trunk ports can only send tagged frames.

C.

Access ports can only send tagged frames.

D.

Trunk ports can only send untagged frames.

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Questions 265

What is the length range of an Ethernet_II frame that contains an Ethernet header?

Options:

A.

64-1518 bytes

B.

60-1560 bytes

C.

64-1500 bytes

D.

46-1500 bytes

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Questions 266

Which of the following port states are included in Rapid Spanning Tree Protocol (RSTP)?

Options:

A.

Discarding

B.

Forwarding

C.

Learning

D.

Listening

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Questions 267

On the Huawei VRP, what is the default preference of different route types, in descending order?

Options:

A.

Direct > Static > RIP > OSPF

B.

Direct > OSPF > RIP > Static

C.

Direct > RIP > Static > OSPF

D.

Direct > OSPF > Static > RIP

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Questions 268

The rules in an ACL may overlap. If packets match the rules with loose conditions, the later ACL rules are not processed. In this case, packets cannot match the rules with strict conditions. Therefore, the rules with strict conditions must be arranged in front lines and those with loose conditions must be arranged towards the end.

Options:

A.

TRUE

B.

FALSE

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Questions 269

Which of the following is not a characteristic of small campus networks?

Options:

A.

Simple network requirements

B.

Wide coverage

C.

Simple network architecture

D.

Small number of users

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Questions 270

If Proto of a route displayed in the routing table is OSPF, the preference of the route must be 10.

Options:

A.

TRUE

B.

FALSE

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Questions 271

The tree topology is a hierarchical star topology, facilitating network expansion. A consequence of this topology is that faults on a node at a higher layer are more severe.

Options:

A.

TRUE

B.

FALSE

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Questions 272

On an STP-enabled switch, a port in the Learning state can transition to the Forwarding state only after the Forward Delay timer expires.

Options:

A.

TRUE

B.

FALSE

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Questions 273

The router that runs OSPF first enters the Full state and then synchronizes the LSDB.

Options:

A.

TRUE

B.

FALSE

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Questions 274

In a broadcast address, all host bits are set to 1, and a broadcast address can be used as a host address.

Options:

A.

TRUE

B.

FALSE

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Questions 275

Which of the following statements is true about root bridge election in STP?

Options:

A.

The device with the largest bridge priority becomes the root bridge.

B.

If the bridge priorities of devices are the same, the device with the largest MAC address becomes the root bridge.

C.

The device with the smallest bridge priority becomes the root bridge.

D.

If the bridge priorities are the same, the device with the largest number of ports becomes the root bridge.

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Questions 276

The TCP protocol uses the three-way handshake mechanism to establish and disable connections. Therefore, TCP supports reliable data transmission.

Options:

A.

TRUE

B.

FALSE

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Questions 277

The data link layer uses PPP encapsulation. The IP addresses of the two ends of the link can be in different network segments.

Options:

A.

TRUE

B.

FALSE

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Questions 278

When a switch receives a unicast data frame, if the destination MAC address of the data frame can be found in the MAC address table of the switch, the data frame is definitely forwarded through the port corresponding to the MAC address.

Options:

A.

TRUE

B.

FALSE

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Questions 279

Which of the following network parameters can be allocated using DHCP?

Options:

A.

Address of the DNS server

B.

Operating system

C.

Gateway address

D.

IP address

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Questions 280

O: 25

In RSTP, a backup port can replace a faulty root port.

Options:

A.

TRUE

B.

FALSE

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Questions 281

Refer to the graphic, 00e0-fc99-9999 is a specific host MAC address learned by a switch through ARP, and the host changes the IP address three times.

Options:

A.

TRUE

B.

FALSE

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Questions 282

Which of the following statements is true about link aggregation in manual load balancing mode?

Options:

A.

A maximum of four active interfaces can be configured in manual load balancing mode.

B.

In manual load balancing mode, devices at both ends of a link send LACPDUs to each other.

C.

In manual load balancing mode, all active interfaces forward data and load balance traffic.

D.

The number of active interfaces can be set in manual load balancing mode.

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Questions 283

If Spanning Tree Protocol (STP) is disabled on the network consisting of switches, a Layer 2 loop will definitely occur.

Options:

A.

TRUE

B.

FALSE

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Questions 284

Which of the following are features of the OSPF protocol?

Options:

A.

The shortest path is calculated based on the number of hops.

B.

Triggered update is supported.

C.

Routing loops are likely to occur.

D.

Area division is supported.

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Questions 285

On a Layer 2 WLAN, STAs use an AC as their gateway.

Options:

A.

TRUE

B.

FALSE

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Questions 286

A Layer 2 switch works at the data link layer. As such, it can identify MAC addresses in data frames, forward data based on MAC addresses, and record mappings between MAC addresses and interface numbers in its MAC address table.

Options:

A.

TRUE

B.

FALSE

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Questions 287

Which of the following packets are exchanged between STAs and an AP to obtain the AP's SSID before association with the AP?

Options:

A.

Probe Request

B.

Discovery

C.

Probe Response

D.

Beacon

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Questions 288

Which of the following parameters is used to elect the root bridge in STP?

Options:

A.

Bridge ID

B.

System name of the switch

C.

Port ID

D.

Root path cost

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Questions 289

A router in the backbone area has complete LSDBs of routers in other areas.

Options:

A.

TRUE

B.

FALSE

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Questions 290

By referring to the topology and the configurations of G0/0/1 interfaces on LSW1 and LSW2 shown in the figure, it can be determined that data frames tagged with VLAN 10 can be normally forwarded between LSW1 and LSW2.

Options:

A.

TRUE

B.

FALSE

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Exam Code: H12-811_V1.0
Exam Name: HCIA-Datacom V1.0 Exam
Last Update: Nov 30, 2024
Questions: 967

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