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  5. Specialist Implementation Engineer Data Center Networking Exam Questions and Answers

Free Practice Questions for the EMC DCS-IE Datacenter Networking DES-5221 Exam (2026 Updated)

At Marks4sure, we are dedicated to providing IT professionals with the most accurate and reliable preparation materials for the EMC DES-5221 exam. To support your certification journey, we have made a selection of our premium 2026 DCS-IE Datacenter Networking practice questions and answers available completely free. You can take this practice test as many times as you need. Every question includes a detailed, expertly verified explanation to ensure you fully grasp the core security concepts before test day.

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Questions 4

When the show ip bgp neighbors command is issued, which BGP state reflects a successfully created adjacency with another BGP peer?

Options:

A.

ESTABLISHED

B.

PEERING

C.

ACTIVE

D.

CONNECTED

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Questions 5

What is the size of the VLAN tag in an Ethernet frame?

Options:

A.

4 bytes

B.

8 bytes

C.

1 byte

D.

2 bytes

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Questions 6

Refer to the exhibit.

DES-5221 Question 6

No static routing has been configured. For iBGP loopback-based peering, which statement is correct?

Options:

A.

It is not necessary for the routing table on S1 to have an entry for the loopback network of S3.

B.

S1 should have the Loopback network of S3 in its routing table for loopback-based peering.

C.

For iBGP peering, physical interface addresses must be used.

D.

A static route on S1 to 144.254.32.1/32 will eliminate the need for loopback-based peering with S3.

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Questions 7

What is a valid OS10 iBGP configuration?

Options:

A.

S2(config)# router bgp 64507

S2(config-router-bgp-64507)# peer-as 64507

S2(config-router-bgp-64507)# neighbor 192.168.32.1 S2(config-router-neighbor)# update-source loopback 0 S2(config-router-neighbor)# no shutdown

B.

S2(config)# router bgp 64507

S2(config-router-bgp-64507)# neighbor 192.168.32.1

S2(config-router-bgp-64507)# remote-as 64507 S2(config-router-bgp-64507)# update-source loopback 0 S2(config-router-bgp-64507)# no shutdown

C.

S2(config)# router bgp 64507

S2(config-router-bgp-64507)# neighbor 192.168.32.1

S2(config-router-neighbor)# remote-as 64507 S2(config-router-neighbor)# update-source loopback 0 S2(config-router-neighbor)# no shutdown

D.

S2(config)# router bgp 64507

S2(config-router-bgp-64507)# remote-as 64507

S2(config-router-bgp-64507)# neighbor 192.168.32.1 S2(config-router-neighbor)# update-source loopback 0 S2(config-router-neighbor)# no shutdown

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Questions 8

From which range can a network administrator choose when setting the RSTP priority value?

Options:

A.

1-6400

B.

0-61440

C.

0-614400

D.

1-64

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Questions 9

The network administrator wants to configure RADIUS authentication for VTY access, and for console access to use the local configuration. Which two commands should be used to achieve this goal?

Options:

A.

aaa authentication login vty group radius aaa authentication login console local

B.

aaa authentication login default group radius aaa authentication login console local

C.

aaa authentication login vty radius

aaa authentication login console group local

D.

aaa authentication login default group radius aaa authentication login console group local

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Questions 10

Which command shows whether a LAG protocol is static or dynamic on a Dell EMC Networking OS10 switch?

Options:

A.

show lacp neighbor

B.

show running-configuration lacp

C.

show interface port-channel summary

D.

show port-channel summary

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Questions 11

What is the default PIM-SSM IP range?

Options:

A.

224.0.0.0/4

B.

224.0.0.0/24

C.

232.0.0.0/8

D.

232.0.0.0/4

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Questions 12

On what does PBR base routing decisions?

Options:

A.

Dijkstra Algorithm

B.

Batch traffic

C.

Administrator-defined forwarding

D.

Shortest path

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Questions 13

What type of network in a Data Center flattens the core and aggregation layers into a single tier?

Options:

A.

Leaf

B.

Leaf-spine

C.

Spine

D.

TRILL

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Questions 14

What version of IGMP is required by PIM-SSM receivers?

Options:

A.

IGMP 1

B.

IGMP 3

C.

IGMP 2

D.

IGMP snooping

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Questions 15

There is a spanning tree mismatch at the global level. PVST+ is configured on a VLT peer. All VLT port channels go down on both VLT peers. A syslog error message is generated. What is the correct action to resolve the issue?

Options:

A.

Verify the VLT LAG ID is configured correctly on both VLT peers.

B.

Enable RSTP on both VLT peers.

C.

Use the show VLT detail and show VLT brief commands to view the VLT port channel status information.

D.

Perform a mismatch check after the VLT peer is established.

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Questions 16

Refer to the exhibit.

DES-5221 Question 16

A default route exists on OS10-C that points all internet traffic towards 10.0.13.3 on OS10-B. A network administrator needs to re-route internet traffic only sourced from Host-1 to 10.0.12.2 on OS10-A instead. What feature can the administrator implement to accomplish this goal?

Options:

A.

Static Default Routing

B.

OSPF Cost Manipulation

C.

Source-Based Routing

D.

Policy-Based Routing

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Questions 17

How are multiple hardware based ACLs filtered?

Options:

A.

NTP

B.

DHCP

C.

NPU

D.

IP

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Questions 18

You have been asked to examine a BGP configuration for a co-worker who is having difficulty establishing BGP peering. The address shown is that of the neighbor ' s Lo0 interface. Given the configuration shown, what would be your recommendation?

S3(config-router-bgp-65042)# neighbor 192.168.32.1

S3(config-router-neighbor)# remote-as 65042

Options:

A.

Modify the existing configuration to be:

S3(config-router-bgp-65042)# neighbor 192.168.32.1/24 S3(config-router-neighbor)# peer-as 65042

B.

Add the following to the existing configuration: S3(config-router-neighbor)# update-source loopback 0 S3(config-router-neighbor)# no shutdown

C.

Issue the no shutdown command and verify that the BGP state is ESTABLISHED

D.

Issue the no shutdown command and verify that the BGP state is ACTIVE

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Exam Code: DES-5221
Exam Name: Specialist Implementation Engineer Data Center Networking Exam
Last Update: Jun 16, 2026
Questions: 60

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