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DES-5221 EMC Specialist Implementation Engineer Data Center Networking Exam Free Practice Exam Questions (2025 Updated)

Prepare effectively for your EMC DES-5221 Specialist Implementation Engineer Data Center Networking Exam certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 60 questions

Two OS10 switches reside within a VLT domain with statically configured primary-priorities. The current primary peer, switch OS10-A, has a priority of 100, while the secondary peer, OS10-B, has a priority of 200.

If OS10-A reboots and comes back online, what roles will the VLT peers be assigned?

A.

OS10-A will be primary and OS10-B will be secondary.

B.

OS10-A will be secondary and OS10-B will be master.

C.

OS10-A will be standby and OS10-B will be primary.

D.

OS10-A will be secondary and OS10-B will be primary.

At which layer does LLDP operate?

A.

1

B.

3

C.

2

D.

4

When implementing QoS on a 10Gb connection, 6Gb is required by the customer. What QoS level best fits the requirement while keeping resource use to a minimum?

A.

Differentiated service

B.

Guaranteed service

C.

FIFO

D.

Best-effort service

What are the correct steps to configure a static LAG on a Dell Networking OS10 switch?

A.

interface port-channel 4 channel-group 4 mode passive

interface range ethernet 1/1/14-1/1/15 channel-group 4 mode on

B.

interface port-channel 4 channel-group 4 mode on

interface range ethernet 1/1/14-1/1/15 channel-group 4 mode passive

C.

interface port-channel 4 no shutdown

interface range ethernet 1/1/14-1/1/15 channel-group 4 mode on

D.

interface port-channel 4 no shutdown

interface range ethernet 1/1/14-1/1/15 channel-group 4 mode active

Which switch mode is used to manage files and display switch information?

A.

Interface

B.

Network

C.

Exec

D.

Configuration

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

A.

4 bytes

B.

8 bytes

C.

1 byte

D.

2 bytes

An administrator is implementing VLT in OS10. What type of port-channel must they configure for the VLTi?

A.

Administrator needs to configure a LACP Port-Channel.

B.

Trunking and one (1) native VLAN need to be defined on the port-channel.

C.

None, a port-channel is created automatically during VLT discovery.

D.

Administrator needs to configure a static Port-Channel.

What is the default PIM-SSM IP range?

A.

224.0.0.0/4

B.

224.0.0.0/24

C.

232.0.0.0/8

D.

232.0.0.0/4

A customer reports they can no longer access their services and a network administrator has been assigned to investigate. A UFD disabled error status appears on all ports. What caused the issue?

A.

Spanning tree Loop-guard was implemented on the uplink-state group.

B.

One of the upstream interfaces is an uplink-state group went down.

C.

There was no issue; this is normal behavior.

D.

Both a port channel and its members were assigned to an uplink-state group.

Using the MAC 8c-ec-4b-5b-61-9d, what is a valid EUI-64 link local address?

A.

2001::a9:8eec:4bff:fc5b:619d

B.

fe80::a9:8cec:4bff:fe5b:619d

C.

ff80:a9:8eec:4bff:fe5b:619d

D.

fe80::a9:8eec:4bff:fe5b:619d

To which IEEE standard are dynamic LAGs compliant on Dell EMC Networking OS10 switches?

A.

802.3af

B.

802.3ad

C.

802.3ac

D.

802.3ae

Which router types are contained in a single-area OSPF implementation?

A.

Stub router and ABR

B.

ABR and ASBR

C.

Internal router and ASBR

D.

Backbone router and Internal router

What is the default lease time in hours for an address lease in DHCP?

A.

36

B.

12

C.

48

D.

24

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

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

In a PIM Sparse Mode (PIM-SM) based multicast topology, what function does the Rendezvous Point provide?

A.

The node is used to provide IGMP snooping across a layer 3 boundary.

B.

The root node of the source tree topology is used to provide routing between the source and receiver.

C.

The root node of the shared tree topology is used to provide routing between the source and receiver.

D.

The node is used to provide IGMP snooping on a layer 2 shared segment.

How are multiple hardware based ACLs filtered?

A.

NTP

B.

DHCP

C.

NPU

D.

IP

What is the maximum number of LLDP neighbors supported per system with OS10?

A.

250

B.

256

C.

384

D.

512

Refer to the exhibit.

Where is the rendezvous point for the group 239.255.255.250?

A.

10.0.13.1

B.

10.0.14.1

C.

eth1/1/54

D.

vlan300

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Total 60 questions
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