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300-420 Designing Cisco Enterprise Networks (ENSLD) Questions and Answers

Questions 4

A global organization with several branches hired a network architect to design an overlay VPN solution. The branches communicate with each other frequently. The customer expects to add more branches in the future. To meet the customer's security requirements, the architect plans to provide traffic protection using dynamic IPsec tunnels. Which solution should the architect choose?

Options:

A.

DMVPN

B.

EasyVPN

C.

GETVPN

D.

L2TP

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Questions 5

Refer to the exhibit.

300-420 Question 5

An engineer is designing a routing solution for a customer. The design must ensure that a failure of network

10.1.0.0/24, 10.1.2.0/24, 10.2.1.0/24, or 10.2.3.0/24 does not impact the core. It also requires fast convergence

time during any link failover in the core or access networks. Which solution must the engineer select?

Options:

A.

Add aggregation layer between core and access networks.

B.

Enable graceful restart on routers A and C.

C.

Enable FRR for the connected networks of routers A and C.

D.

Enable summarization on routers A and C.

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Questions 6

300-420 Question 6

Refer to the exhibit. An architect must design an IP addressing scheme for a multisite network connected via a WAN transit. The campus site must accommodate 12,000 devices and the branch sites must accommodate 1,000 devices. Which address scheme optimizes network device resources, contains convergence events to the different blocks of the network, and ensures future growth of the network?

Options:

A.

Campus: 10.0.0.0/18

•Branch1: 10.0.192.0/21

•Branch2: 10.0.200.0/21

B.

• Campus: 10.0.0.0/16

•Branchi: 10.255.0.0/20

•Branch2: 10.255.16.0/20

C.

• Campus: 10.0.0.0/10

•Branch1: 10.64.0.0/10

•Branch2: 10.128.0.0/10

D.

• Campus: 10.0.0.0/20

•Branch1: 10.0.64.0/21

Branch2: 10.0.128.0/21

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Questions 7

How is end-to-end microsegmentation enforced in a Cisco SD-Access architecture?

Options:

A.

VLANs are used to segment traffic at Layer 2.

B.

5-tuples and ACLs are used to permit or deny traffic.

C.

SGTs and SGTACLs are used to control access to various resources.

D.

VRFs are used to segment traffic at Layer 3.

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Questions 8

Refer to the exhibit.

300-420 Question 8

A customer is running HSRP on the core routers. Over time the company has grown and requires more

network capacity. In the current environment, some of the downstream interfaces are almost fully utilized, but

others are not. Which solution improves the situation?

Options:

A.

Make router R2 active for half of the VLANs.

B.

Add more interfaces to R1 and R2.

C.

Configure port channel toward downstream switches.

D.

Enable RSTP on the downstream switches.

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Questions 9

300-420 Question 9

Refer to the exhibit. A customer experienced an unexpected network outage when the link between R1 and R2 went down. An architect must design a solution to ensure network continuity in the event the link fails again. Which solution should the design include?

Options:

A.

Make R31 an L1 router.

B.

Make R3 an L1L2 router

C.

Make Area 0 L2-only

D.

Make R11 an L2 router.

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Questions 10

Drag and drop the characteristics from the left onto the configuration protocols they describe on the right.

300-420 Question 10

Options:

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Questions 11

300-420 Question 11

Refer to the exhibit. An engineer Is designing a multicampus Layer 3 Infrastructure using EIGRP as the routing protocol. The design must provide quick replies to queries In the event of a downlink, prevent unnecessary queries, and ensure that traffic does not unnecessarily transit the access layer. Which two actions must the engineer take for the network design? (Choose two.)

Options:

A.

Configure core layer switches as stub routers.

B.

Configure distribution layer switches to summarize routes to the core layer.

C.

Configure access layer switches as stub routers.

D.

Configure access layer and core layer switches as stub routers.

E.

Configure access layer switches to summarize routes to the distribution layer.

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Questions 12

Which consideration must be taken into account when using the DHCP relay feature in a Cisco SD-Access Architecture?

Options:

A.

DHCP-relay must be enabled on fabric edge nodes to provide the correct mapping of DHCP scope to the local anycast gateway.

B.

A DHCP server must be enabled on the border nodes to allow subnets to span multiple fabric edges.

C.

DHCP servers must support Cisco SD-Access extensions to correctly assign IPs to endpoints in an SD-Access fabric with anycast gateway.

D.

DHCP Option-82 must be enabled to map the circuit IP option to the access fabric node where the DHCP discover originated.

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Questions 13

Refer to the exhibit.

300-420 Question 13

EIGRP has been configured on all links. The spoke nodes have been configured as EIGRP stubs, and the WAN links to R3 have higher bandwidth and lower delay than the links to R4. When a link failure occurs at the R1-R2 link, what happens to traffic on R1 that is destined for a subnet attached to R2?

Options:

A.

R1 has no route to R2 and drops the traffic

B.

R1 load-balances across the paths through R3 and R4 to reach R2

C.

R1 forwards the traffic to R3, but R3 drops the traffic

D.

R1 forwards the traffic to R3 in order to reach R2

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Questions 14

A customer with an IPv4 only network topology wants to enable IPv6 connectivity while preserving the IPv4 topology services. The customer plans to migrate IPv4 services to the IPv6 topology, then decommission the IPv4 topology. Which topology supports these requirements?

Options:

A.

dual stack

B.

6VPE

C.

6to4

D.

NAT64

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Questions 15

A customer's current Layer 2 infrastructure is running Spanning Tree 802.1d, and all configuration changes are manually implemented on each switch. An architect must redesign the Layer 2 domain to achieve these goals:

  • reduce the impact of topology changes
  • reduce the time spent on network administration
  • reduce manual configuration errors

Which two solutions should the architect include in the new design? (Choose two.)

Options:

A.

Implement Rapid PVST+ instead of STP.

B.

Implement MST instead of STP.

C.

Use VTP to propagate VLAN information and to prune unused VLANs.

D.

Configure broadcast and multicast storm control on all switches.

E.

Configure dynamic trunking protocol to propagate VLAN information.

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Questions 16

Which two functions is the Cisco SD-Access Edge Node responsible for? (Choose two.)

Options:

A.

Act as anycast layer 3 gateway

B.

Advertise EID subnets

C.

Map users to virtual network

D.

Act as LISP proxy tunnel router

E.

Route and transport IP traffic

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Questions 17

Drag and drop the characteristics from the left onto the YANG modules they describe on the right. Not all options are used.

300-420 Question 17

Options:

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Questions 18

Which component is part of the Cisco SD-Access overlay architecture?

Options:

A.

border node

B.

spine node

C.

leaf node

D.

Cisco DNA Center

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Questions 19

When IPsec VPNs are designed, what is a unique requirement if support for IP Multicast is required?

Options:

A.

encapsulation of traffic with GRE or VTI

B.

IPsec forwarding using transport mode

C.

additional bandwidth for headend

D.

IPsec forwarding using tunnel mode

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Questions 20

An architect is working on a design to connect a company's main site to several small to medium-sized remote branches. The solution must include redundant WAN links, but the customer has a limited budget and wants the ability to increase the link speed easily in the future. QoS will not on the branch routers so there is no need for consistent end-to-end QoS. Which solution does the architect propose?

Options:

A.

dual-homed WAN MPLS with single edge router

B.

dual-homed Internet with a single edge router running a site-to-site VPN topology

C.

dual-homed WAN MPLS and Internet links via dual edge routers

D.

dual-homed Internet with dual edge routers running a hub-and-spoke VPN topology

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Questions 21

An engineer is designing a Layer 3 campus network running EIGRP between the core, aggregation, and access layers. The access layer switches will be connected to the aggregation layer using Layer 3 copper connections. The engineer wants to improve convergence time for access layer switch failures. Which technique must the design include?

Options:

A.

enabling BFD for EIGRP on the access layer uplinks

B.

reducing the EIGRP Hello / Hold timer values

C.

EIGRP summarization from core to aggregation layer

D.

EIGRP summarization from access to aggregation layer

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Questions 22

An architect must address sustained congestion on the access and distribution uplink of network. QoS has already been implemented and optimized, but it is no longer effective in ensuring optimal network performance. Which two solutions should the architect use to improver network performance? (Choose two)

Options:

A.

Reconfigure QoS based on the IntServ model

B.

Utilize random early detection to manage queues

C.

Implement higher-speed uplink interfaces

D.

Bundle additional uplinks into logical EtherChannels

E.

Configure selective packet discard to drop noncritical network traffic.

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Questions 23

An engineer must design a VPN solution for a company that has multiple branches connecting to a main office. What are two advantages of using DMVPN instead of IPsec tunnels to accomplish this task? (Choose

two.)

Options:

A.

support for AES 256-bit encryption

B.

greater scalability

C.

support for anycast gateway

D.

lower traffic overhead

E.

dynamic spoke-to-spoke tunnels

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Questions 24

Which PIM mode uses a shared tree only?

Options:

A.

bidirectional

B.

sparse

C.

dense

D.

source-specific

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Questions 25

A customer is discussing QoS requirements with a network consultant. The customer has specified that end-to-end path verification is a requirement. Which QoS solution meets this requirement?

Options:

A.

IntServ model with RSVP to support the traffic flows

B.

DiffServ model with PHB to support the traffic flows

C.

marking traffic at the access layer with DSCP to support the traffic flows

D.

marking traffic at the access layer with CoS to support the traffic flows

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Questions 26

Which feature must be incorporated into the campus LAN design to enable Wake on LAN?

Options:

A.

dynamic ARP Inspection Snooping on layer 2 devices

B.

directed broadcasts on layer 3 devices

C.

proxy ARP on layer 3 devices

D.

DHCP Snooping on layer 2 devices

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Questions 27

Refer to the exhibit.

300-420 Question 27

Which solution decreases the EIGRP convergence time?

Options:

A.

Enable subsecond timers

B.

Increase the hold time value

C.

Increase the dead timer value

D.

Enable stub routing on the spokes

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Questions 28

When designing interdomain multicast, which two protocols are deployed to achieve communication between multicast sources and receivers? (Choose two.)

Options:

A.

IGMPv2

B.

BIDIR-PIM

C.

MP-BGP

D.

MSDP

E.

MLD

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Questions 29

Which two techniques improve the application experience in a Cisco SD-WAN design? (Choose two.)

Options:

A.

utilizing forward error correction

B.

implementing a stateful application firewall

C.

implementing AMP

D.

utilizing quality of service

E.

implementing Cisco Umbrella

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Questions 30

Refer to the exhibit.

300-420 Question 30

An architect must design an IPv6 migration solution for an enterprise customer to support these requirements:

* Clients will transition to the new IPv6 network, which provides NAT64 and IPv6 DNS resolution services, using the same DNS name that points to the IPv4 address.

* The service provider will create a client-facing IPv6 interface with a new IPv6 virtual address that points to the same IPv4 DNS server.

* The service provider will support clients that use global IPv6 addresses and encapsulate IPv4 packets into IPv6 tunnels.

Which two migration solutions must the architect choose? (Choose two.)

Options:

A.

Use dual-stack lite from the MPLS network to the IGR.

B.

Use IPv6 tunneling from the devices to the core MPLS network.

C.

Use dual-stack lite from the devices to the core MPLS network.

D.

Use NAT44/64 from the MPLS network to the IGR.

E.

Use NAT44/64 from the devices to the core MPLS network.

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Questions 31

300-420 Question 31

Refer to the exhibit. An architect is developing a solution to consolidate networks while retaining device redundancy. The routing protocol for the WAN routers must be open standard, ensure high availability, and provide the fastest convergence time. Which solution must the design include?

Options:

A.

both routers running EIGRP

B.

one router running OSPFv2 and other OSPF v3

C.

one router running ISIS and other OSPF v3

D.

both routers running OSPFv2

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Questions 32

Which design achieves SD-WAN control plane redundancy?

Options:

A.

Configuring BFD on the WAN Edge routers

B.

Using multiple instances of vManage in clusters

C.

Deploying using a virtual platform like UCS or CSP

D.

Managing the underlay network with OMP

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Questions 33

When a network is designed using IS-IS protocol, which two circuit types are supported? (Choose two.)

Options:

A.

nonbroadcast multiaccess

B.

multiaccess

C.

point-to-multipoint

D.

nonbroadcast

E.

point-to-point

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Questions 34

What is a benefit of using VRRPv3 as compared to VRRPv2?

Options:

A.

VRRPv3 supports IPv4 and IPv6

B.

VRRPv3 supports authentication

C.

VRRPv3 supports preemption

D.

VRRPv3 supports stateful switchover

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Questions 35

300-420 Question 35

Refer to the exhibit. An architect is designing a hierarchical ISIS solution for a customer with these requirements:

  • Routers will double In all areas within the next 24 months.
  • Link flaps within areas 20 and 30 must not impact the backbone area.
  • Traffic originating from A201 and A302 routers must connect to application servers in the backbone.

Which design must the architect select?

Options:

A.

C201 Level 1/2, A301 Level 1/2 and A102 Level 1/2

B.

C101 Level 1/2. A201 Level 1, and A101 Level 2

C.

C102 Level 2. A202 Level 2, and A102 Level 1

D.

C302 Level 2. A302 Level 1/2. and A101 Level 2

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Questions 36

Since installing a cisco TelePresence system, the company is experiencing other application having response issues when the system in use. As a result, the company asked an architect to recommend a QoS solution. The customer is currently using a CBWFQ policy to manage traffic on an internet connection with a speed of 100 Mbps. Which link-capacity limit must the architect choose for strict-priority for the real-time traffic?

Options:

A.

25 Mbps

B.

50 Mbps

C.

33 Mbps

D.

75 Mbps

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Questions 37

An engineer must peer with an ISP for internet connectivity using BGP, initially, the engineer wants to receive only specific prefixes from the ISP and a default route. However, the solution must provide the flexibility to add prefixes in the future at short notice. The ISP has a two-week change process in place. Which route filtering solution must the engineer employ?

Options:

A.

Request a limited internet routing table and a default route from the ISP and configure the BGP max-limit to 1 with an access list that permits only the specific internet prefixes and blocked networks

B.

Request only the required prefixes and default route be advertised from the ISO with whitelisted networks

C.

Request a full internet routing table and a default route from the ISP and configure inbound route filtering with a prefix list that permits the default route and required prefixes

D.

Configure outbound route filtering on the enterprise and ISP so that the enterprise tell the ISP which prefixes are required

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Questions 38

A customer reports that each time a networking component fails, OSPF recalculates the backup path, with causes a short outage. Which solution must the customer implement to improve this situation?

Options:

A.

Aggressive OSPF timers

B.

LFA FRR

C.

Incremental SPF

D.

BFD

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Questions 39

Drag and drop the elements from the left onto the functions they perform in the Cisco SD-WAN architecture on the right.

300-420 Question 39

Options:

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Questions 40

An engineer is designing a multicast network for a company specializing in VoD content. Receivers are across the Internet, and for performance reasons, the multicast framework close to the receivers within each AS. For high availability, if the sources in one AS are no longer available, the receivers of that AS must be able to receive the VoD content from sources in another AS. Which feature must the design include?

Options:

A.

Bidirectional PIM

B.

SSM

C.

Anycast RP

D.

MSDP

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Questions 41

An engineer is designing a BGP network for a large customer. To permit efficient scaling, the BGP domain is split into clusters. Which peering solution should be used between the route reflectors in different clusters for the BGP routes to be propagated appropriately?

Options:

A.

The route reflectors should be made dents of each other.

B.

The route reflectors should be nonclients with regards to each other.

C.

The route reflectors should not have any kind of BGP peering.

D.

The route reflectors should have peering through another nonclient router.

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Questions 42

300-420 Question 42

Refer to the exhibit. An architect must create a stable and scalable EIGRP solution for a customer. The design must:

•conserve bandwidth, memory, and CPU processing

•prevent suboptimal routing

•avoid any unnecessary queries

Which two solutions must the architect select? (Choose two.)

Options:

A.

route summarization

B.

prefix lists

C.

distribute lists

D.

stub routing

E.

static redistribution

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Questions 43

Drag and drop the elements from the left onto the YANG models where they and used on the right.

300-420 Question 43

Options:

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Questions 44

An engineer must use YANG with an XML representation to configure a Cisco IOS XE switch with these specifications:

  • IP address 10.10.10.10/27 configured on the interface GigabitEthernet2/1/0
  • connectivity from a directly connected host 10.10.10.1/27

Which YANG data model set must the engineer choose?

A)

300-420 Question 44

B)

300-420 Question 44

C)

300-420 Question 44

D)

300-420 Question 44

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 45

Drag and drop the characteristics from the left onto the YANG models they describe on the right. Not all options are used.

300-420 Question 45

Options:

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Questions 46

Drag and drop the characteristics from the left onto the telemetry mode they apply to on the right.

300-420 Question 46

Options:

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Questions 47

Which control-plane technology allows the same subnet to exist across multiple network locations?

Options:

A.

LISP

B.

VXLAN

C.

FabricPath

D.

ISE mobility services

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Questions 48

Which design consideration should be observed when EIGRP is configured on Data Center switches?

Options:

A.

Perform manual summarization on all Layer 3 interfaces to minimize the size of the routing table.

B.

Prevent unnecessary EIGRP neighborships from forming across switch virtual interfaces.

C.

Lower EIGRP hello and hold timers to their minimum settings to ensure rapid route reconvergence.

D.

Configure multiple EIGRP autonomous systems to segment Data Center services and applications.

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Questions 49

In a multicast network, which condition must be met for an RPF check to be performed on the RP address'?

Options:

A.

The PIM DM device receives a multicast packet and has no directly connected members

B.

The PIM router or multilayer switch has a shared-tree state

C.

The PIM router or multilayer switch has a source-tree state

D.

The PIM DM device receives a multicast packet and has no directly connected PIM neighbor

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Questions 50

Drag and drop the model-driven telemetry considerations from the left onto the modes they apply to on the right.

300-420 Question 50

Options:

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Questions 51

Drag and drop the model driven telemetry characteristics from the left onto the mode they belong to on the right.

300-420 Question 51

Options:

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Questions 52

Which feature is required for graceful restart to recover from a processor failure?

Options:

A.

Cisco Express Forwarding

B.

Virtual Switch System

C.

Stateful Switchover

D.

Bidirectional Forwarding Detection

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Questions 53

A company is running BGP on a single router, which has two connections to the same ISP. Which BGP

feature ensures traffic is load balanced across the two links to the ISP?

Options:

A.

Multihop

B.

Multipath Load Sharing

C.

Next-Hop Address Tracking

D.

AS-Path Prepending

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Questions 54

Which NETCONF operation creates filtering that is specific to the session notifications?

Options:

A.

B.

C.

D.

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Questions 55

How do endpoints inside an SD-Access network reach resources outside the fabric?

Options:

A.

a VRF fusion router is used to map resources in one VN to another VN

B.

Fabric borders use VRFs to map VNs to VRFs

C.

SD-Access transit links are used to transport encapsulated traffic from one fabric to another

D.

A fabric edge is used to de-encapsulate VXLAN traffic to normal IP traffic then transported over the outside network

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Questions 56

Which feature is used to optimize WAN bandwidth of IGMP network traffic among WAN Edge routers in the

same VPN?

Options:

A.

IGMPv2

B.

multicast RP

C.

multicast-replicator

D.

multicast service routes

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Questions 57

300-420 Question 57

Refer to the exhibit. Customers report low video quality and delays when having point-to-point telepresence video calls between the two locations. An architect must optimize a design so that traffic follows the same path for egress and ingress traffic flows. Which technique optimizes the design?

Options:

A.

Configure route leaking on the router in area 2.

B.

Configure route leaking on the router in area 1.

C.

Configure the high metric on the router in area 4.

D.

Configure route filter on the router in area 4.

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Questions 58

A router running ISIS is showing high CPU and bandwidth utilization. An engineer discovers that the router is configured as L1/L2 and has L1 and L2 neighbors. Which step optimizes the design to address the issue?

Options:

A.

Make this router a DIS for each of the interfaces

B.

Disable the default behavior of advertising the default route on the L1/L2 router

C.

Configure the router to be either L1 or L2

D.

Configure each interface as either L1 or L2 circuit type

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Questions 59

Drag and drop the descriptions from the left onto the Cisco SD-WAN component they describe on the right.

300-420 Question 59

Options:

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Questions 60

Drag and drop the properties from the left onto the protocols they describe on the right.

300-420 Question 60

Options:

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Questions 61

What are two valid scaling techniques when an EIGRP network is designed that consists of more than 1000 routers? (Choose two.)

Options:

A.

Use structured hierarchical topology with route summarization

B.

Used sub-second timers

C.

Use the distribute-list command to filter routes

D.

Modify delay parameters on the links

E.

Implement multiple EIGRP autonomous systems

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Questions 62

An engineer must design a QoS solution for a customer. The network currently supports data only, but the

customer will roll out VoIP and IP video in conjunction with the new QoS solution. The engineer plans to use

DiffServ. To ensure priority for voice services, which model must the design include?

Options:

A.

8-class model

B.

4-class model

C.

6-class model

D.

12-class model

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Questions 63

An engineer is designing an IPv4 addressing plan for an enterprise with 1000 branches. Each branch requires a prefix for data and a prefix for voice. Each prefix must accommodate up to 128 hosts, and prefixes must facilitate summarization at aggregation points in the network. The security team requires a simple method for identifying voce prefixes. Which allocation does the engineer recommend from the RFC1918 address space?

Options:

A.

/24 prefixes for data from 10.0.0.0/15 and /24 prefixes for voice from 172.16.0.0/15

B.

/24 prefixes for data from 10.0.0.0/8 and /24 prefixes for voice from the next contiguous /24 prefix per site

C.

/25 prefixes for data from 10.0.0.0/8 end /25 prefixes for voice from the next contiguous /25 prefix per branch

D.

/24 prefixes for data from 10.0.0.0/8 and /24 prefixes for voice from 172.16.0.0/12

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Questions 64

300-420 Question 64

Refer to the exhibit A customer requires maximum uptime for the data plane between R1 and R3 running OSPF Which solution must the design include for high availability if the routing process on R2 requires maintenance?

Options:

A.

BFD on all routers

B.

nonstop forwarding on R1 and R3

C.

nonstop forwarding on R3 only

D.

graceful restart on all routers

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Questions 65

Refer to the exhibit.

300-420 Question 65

An architect is designing a routing solution for a company. The new design will add a circuit routers C and D to protect against loss of connectivity to 10.0.4.0/24 during a link failure between routers B and D. Which solution must the architect choose?

Options:

A.

Stub connected

B.

Stub redistributed

C.

Stub receive-only

D.

Stub leak-map

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Questions 66

Drag and drop the components in a Cisco SD-Access architecture from the left onto their descriptions on the right.

300-420 Question 66

Options:

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Questions 67

An engineer is designing a WAN solution for a customer with teams in different branch locations that need to communicate The teams also need to access enterprise applications hosted in the data center and the cloud The customer also must provide guests with connectivity to the internet only, and the internet gateway is located in the data center Which solution must the engineer choose?

Options:

A.

WAN connectivity from a different service provider for guests

B.

firewall placed in data center that fitters any traffic from guests

C.

MPLS Layer 3 VPN with one VRF for corporate access and a separate VRF for guests

D.

MPLS Layer 3 VPN with a separate VRF for each branch location

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Questions 68

An engineer is working for a large cable TV provider that requires multiple sources streaming video on different channels using multicast with no rendezvous point. Which multicast protocol meets these requirements?

Options:

A.

PIM-SM

B.

PIM-SSM

C.

any-source multicast

D.

BIDIR-PIM

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Questions 69

What are two benefits of designing an SD-WAN network fabric with direct Internet access implemented at

every site? (Choose two.)

Options:

A.

It decreases latency to applications hosted by public cloud service provider.

B.

It decreases latency on Internet circuits.

C.

It increases the speed of delivery of site deployments through zero-touch provisioning.

D.

It increases the total available bandwidth on Internet circuits.

E.

It alleviates network traffic on MPLS circuits.

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Questions 70

What is the purpose of a control plane node in a Cisco SD-Access network fabric?

Options:

A.

to maintain the endpoint database and mapping between endpoints and edge nodes

B.

to detect endpoints in the fabric and inform the host tracking database of EID-to-fabric-edge node bindings

C.

to identify and authenticate endpoints within the network fabric

D.

to act as the network gateway between the network fabric and outside networks

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Questions 71

Refer to the exhibit.

300-420 Question 71

An engineer must design a WAN solution so that ISP-1 is always preferred over ISP-2. The path via ISP-2 is

considered as a backup and must be used only when the path to ISP-1 is down. Which

solution must the engineer choose?

Options:

A.

R1:

- Routes advertised to ISP-1: 0x AS-path prepend

- Routes received from ISP-1: HIGH local-preference

- Routes advertised to R2: no action

- Routes received from R2: community NO-EXPORT

R2:

- Routes advertised to ISP-2:5x AS-path prepend

- Routes received from ISP-2: LOW local-preference

- Routes advertised to R1: community NO-ADVERTISE

- Routes received from R1: no action

B.

R1:

- Routes advertised to ISP-1: 0x AS-path prepend

- Routes received from ISP-1: HIGH local-preference

- Routes advertised to R2: community NO-EXPORT

- Routes received from R2: no action

R2:

- Routes advertised to ISP-2: 5x AS-path prepend

- Routes received from ISP-2: LOW local-preference

- Routes advertised to R1: no action

- Routes received from R1: no action

C.

R1:

- Routes advertised to ISP-1: 0x AS-path prepend

- Routes received from ISP-1: LOW local-preference

- Routes advertised to R2: community NO-ADVERTISE

- Routes received from R2: no action

R2:

- Routes advertised to ISP-2: 5x AS-path prepend

- Routes received from ISP-2: HIGH local-preference

- Routes advertised to R1: no action

- Routes received from R1: community NO-ADVERTISE

D.

R1:

- Routes advertised to ISP-1: 5x AS-path prepend

- Routes received from ISP-1: LOW local-preference

- Routes advertised to R2: community NO-ADVERTISE

- Routes received from R2: no action

R2:

- Routes advertised to ISP-2: 0x AS-path prepend

- Routes received from ISP-2: HIGH local-preference

- Routes advertised to R1: community NO-EXPORT

- Routes received from R1: no action

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Questions 72

300-420 Question 72

Refer to the exhibit A customer wants to adopt a dynamic site-to-site VPN solution to secure communication for VoIP, video, and FTP traffic between the remote branches and the headquarters. The customer also wants the branches to communicate directly, thereby reducing traffic at the headquarters location. The solution must consider that the branch routers are limited in available memory. Which VPN solution meets these requirements?

Options:

A.

DMVPN Phase 2 Hub and Spoke design

B.

DMVPN Phase 3 Hub and Spoke design

C.

DMVPN Phase 1 Hub and Spoke design

D.

DMVPN Phase 3 Hierarchical design

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Exam Code: 300-420
Exam Name: Designing Cisco Enterprise Networks (ENSLD)
Last Update: Apr 18, 2024
Questions: 242

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