Cisco Exam 300-510 Topic 4 Question 77 Discussion

Actual exam question for Cisco's 300-510 exam

Question #: 77
Topic #: 4

Refer to the exhibit.

IS-IS is the routing protocol on the network. After the team noticed excessive CPU usage on all routers, particularly routers R2 and R6, they configured route summarization on all routers. However, a network engineer noticed that summary routes and more specific routes are present in the routing table on R1. Which action must the team take so that R1 receives only the summary routes?

AConfigure R2 and R4 to perform summarization for Level 1 routers.

BConfigure R3 to perform summarization for Level 1 routers, and configure R6 to perform summarization for Level 2 routers.

CConfigure R3 and R5 to perform summarization for Level 1 and Level 2 routers.

DConfigure R6 only to perform summarization for all routers.

Show Suggested Answer

Suggested Answer: B

by Kirk at Dec 10, 2023, 03:41 PM

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Theodora

8 days ago

Yeah, that makes sense to me too. Isolating the summarization to specific routers should help clean up the routing table on R1.

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Candida

9 days ago

Hmm, I'm leaning towards option B. Configuring R3 to perform summarization for Level 1 routers and R6 to perform summarization for Level 2 routers seems like it would solve the issue on R1.

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Genevive

10 days ago

I agree. The key seems to be that R1 is receiving both summary routes and more specific routes, which is causing the issue. We need to find a way to ensure R1 only receives the summary routes.

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Ines

11 days ago

This question seems a bit tricky. We need to understand the network topology and the role of each router to determine the appropriate summarization configuration.

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