Free Dell DES-5121 Exam Practice Questions & Explanations

Last updated on: Nov 5, 2026
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Question 1

Which interface on a Dell EMC N-Series switch provides the most security for management?

Answer Options
Correct Answer: D
Question 2

If a group of routers are running VRRP with a virtual router ID of 155, which MAC address will be used to respond to the ARP requests for the virtual IP?

Answer Options
Correct Answer: B
Question 3

Which commands should a network administrator use to configure a RADIUS server on a Dell EMC N-Series switch?

Answer Options
Correct Answer: B
Question 4

When configuring a Dell EMC N-Series switch for VoIP and QoS, what is one QoS setting that ensures voice traffic is prioritized in the presence of other network traffic?

Answer Options
Correct Answer: C
Question 5

A Dell EMC N-Series switch is configured to uplink to a customer switch using two separate 4-port port- channels configured as trunks. Both switches are configured with 16 VLANs and RSTP.

How will VLAN traffic be distributed across the port-channels?

Answer Options
Correct Answer: A