Cisco 300-420 Practice Exam Dumps 2025

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Designing Cisco Enterprise Networks (ENSLD) Questions and Answers

Question 1

Refer to the exhibit. An architect reviews the low-level design of a company's enterprise network and advises optimizing the STP convergence time. Which functionality must be to Gi1/0/1-10 to follow the architect's recommendation?

Options:

PortFast

root guard

UplinkFast

BPDU guard

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Question 2

What is the purpose of a Cisco SD-Access underlay network?

Options:

to abstract IP-based connectivity from physical connectivity

to emulate LAN segments to transport Layer 2 frames over a Layer 3 network

to establish physical connectivity between switches and routers

to provide virtualization by encapsulating network traffic over IP tunnels

Question 3

Refer to the exhibit. A network engineer working for a private service provider with an employee ID: 4670:71:451 must design a BGP solution based on:

All traffic originating from AS100 must pass through AS200 to reach the NTP and DHCP server

When a link failure occurs between R3 and R4, traffic must follow the R2-R9 link to reach the NTP and DHCP server.

Which solution must the design include?

Options:

Routers R3 and R10 advertise an IGP metric into BGP during redistribution in both directions.

Router R6 influences the paths of R9 and R11 to the DC with a higher AS-PATH value.

Routers R3 and R10 advertise a lower local preference for outgoing traffic and a higher AS-PATH value for incoming traffic.

Router R3 applies a local preference of 200 for R1. R2. R9. and R11 routers to reach the data center.

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300-420 Exam Dumps : Designing Cisco Enterprise Networks (ENSLD)

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