Free 300-420 Mock Exam – Practice Online Confidently

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Exam Code: 300-420
Exam Questions: 342
Designing Cisco Enterprise Networks
Updated: 04 Jan, 2026
Question 1

Refer to the exhibit. Which two solutions maximize the use of the links between the core and distribution layers? (Choose two.)

Options :
Answer: A,B

Question 2

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 :
Answer: D

Question 3

In a Cisco SD-Access fabric, switch node Is equivalent to an access layer switch In a traditional three-tier campus network design?

Options :
Answer: A

Question 4

Refer to the exhibit. A network engineer with an employee ID: 4384:99:754 must design a BGP solution based on these conditions: Traffic sessions occur between the branches and the data center. Branch B has limited resources to process routing updates. HQ must filter out all prefixes from branch A to R4. Which outbound route filtering (ORF) solution must the engineer choose?

Options :
Answer: B

Question 5

Refer to the exhibit. A customer is planning to onboard three new VPN partner connections in the data center. The new subnets must not overlap with the existing data center network, and the subnet size must not be bigger than necessary. The customer dedicated 10.1.8.0/21 for this design. Ho1// must the subnets be divided to meet these requirements? 

Options :
Answer: B

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