Question 16 of 952 from exam 200-125: Cisco Certified Network Associate Exam

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Question

Scenario -

Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.

You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.

Use appropriate show commands to troubleshoot the issues and answer all four questions.

Instructions -

R1 does not form an OSPF neighbor adjacency with R2. Which option would fix the issue?

Answers

A. R1 ethernet0/1 is shutdown. Configure no shutdown command.

B. R1 ethernet0/1 configured with a non-default OSPF hello interval of 25; configure no ip ospf hello-interval 25

C. R2 ethernet0/1 and R3 ethernet0/0 are configured with a non-default OSPF hello interval of 25; configure no ip ospf hello-interval 25

D. Enable OSPF for R1 ethernet0/1; configure ip ospf 1 area 0 command under ethernet0/1. B

Show Answer

Explanations

Click on the arrows to vote for the correct answer

A. B. C. D.

Explanation

Here are the relevant parts of the router configs:

Continue checking their connected interfaces with the "show running-config" command:

Note: Maybe there are some versions of this question in the exam. For example there are some reports saying that Ethernet0/1 on R1 is shutdown (and this is the correct choice in the exam). So please be careful checking the config on the routers before choosing the correct answers.

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