Discuss Nokia 4A0-113 Exam Topic 9 Question 46

If OSPF is used in a multi-area OSPF network, which of the following statements regarding route summarization is true?

AManual route summarization can only be done on autonomous system border routers.

BManual route summarization must be done on all the backbone routers to be effective. Manual route summarization is optional on the routers in non-backbone areas.

CManual route summarization is done on the ABRs. By default, automatic summarization is done; however, it may not be optimal for all networks.

DManual route summarization is done on the ABRs. By default, no route summarization is done and all routes are advertised to all areas.

Suggested Answer: D

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12 comments · newest first

Josefa 11 months ago

Yeah, C makes sense. Automatic isn't always the best choice.

Bettina 12 months ago

Manual summarization is definitely optional in non-backbone areas.

Ria 12 months ago

Wait, I thought summarization was always done on ABRs?

Dyan 1 year ago

I disagree, D sounds more accurate. No default summarization!

Delbert 1 year ago

I think option C is correct. ABRs handle summarization.

Emile 1 year ago

I thought manual summarization was optional on non-backbone routers, but I can't remember if it has to be done on all backbone routers to be effective.

Trina 1 year ago

I feel like option D sounds right because I remember that all routes are advertised unless we summarize, but I’m not completely confident.

Becky 1 year ago

I think I practiced a question similar to this, and it mentioned that summarization is done on ABRs. I just can't recall if automatic summarization is enabled by default.

Youlanda 1 year ago

I remember something about ABRs and route summarization, but I'm not sure if it's only manual or if automatic summarization plays a role too.

Dominque 1 year ago

This seems straightforward. I think the Cisco Code Exchange would be the best resource to verify the Ansible playbook before running it on the Nexus devices.

Azzie 1 year ago

Hmm, I'm not sure about this one. I think I'll need to do some research on domain management and filtering in the Server Protect console to figure out the best approach. I don't want to just guess and risk getting it wrong.

Janna 1 year ago

I'm pretty sure WSAv performance has something to do with monitoring, but I'm not completely confident it's for packet loss specifically.

Nokia 4A0-113 Exam - Topic 9 Question 46 Discussion