Nokia 4A0-102 Exam - Topic 2 Question 67 Discussion

Actual exam question for Nokia's 4A0-102 exam

Question #: 67
Topic #: 2

A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200 65400 65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a local preference of 100. The third route has an AS Path of 65600 65300 and a local preference of 100. Which route will appear in the RIB-out?

AOnly the first route will appear in the RIB-Out.

BOnly the second route will appear in the RIB-Out.

COnly the third route will appear in the RIB-Out.

DAll routes will appear in the RIB-Out.

Show Suggested Answer

Suggested Answer: A

by Patti at Sep 19, 2024, 04:50 AM

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Evangelina

3 months ago

I thought all routes could be sent out, but I guess not!

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Deeanna

3 months ago

Only the first route makes sense here.

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Lanie

3 months ago

Wait, are we sure about that? What if there's a tie?

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Roselle

4 months ago

Totally agree, local preference rules!

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Terrilyn

4 months ago

The first route has the highest local preference, so it should be the one.

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Jerry

4 months ago

I’m a bit confused about how the AS Path affects the decision here. Does the local preference override it completely? I hope I remember the right details!

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Ria

4 months ago

I practiced a similar question where local preference was the deciding factor. I feel like the first route will definitely be selected for the RIB-out.

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Anabel

4 months ago

I'm not entirely sure, but I think the AS Path length also plays a role. The first route has the longest AS Path, but it has the highest local preference too.

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Talia

5 months ago

I remember that local preference is a key factor in route selection, so I think the first route with a local preference of 150 should be the one.

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Dana

5 months ago

I'm a little confused by the different AS paths. I'll need to double-check how the BGP decision process handles AS path length compared to local preference. This one might take me a bit of time to work through.

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Derick

5 months ago

Okay, I've got this. The route with the highest local preference (150) will be selected, which is the first route. The other routes have a lower local preference of 100, so they won't be selected.

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Donette

5 months ago

Hmm, I'm a bit unsure about this one. The local preference values are different, but the AS paths also vary. I'll need to review the BGP decision process to figure this out.

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Leonida

5 months ago

This looks like a standard BGP route selection question. I'll need to carefully consider the BGP path attributes to determine which route will be selected.

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Sanda

1 year ago

The correct answer is A. The first route, with the highest local preference, will be the one that appears in the RIB-out. Seriously, this is Routing 101, people.

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Nada

1 year ago

Got it, thanks for the clarification.

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Ashley

1 year ago

Yes, that's correct. The route with the highest local preference takes precedence.

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Carin

1 year ago

I think the first route will appear in the RIB-Out.

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Raymon

1 year ago

But what about the AS Path? Wouldn't that also play a role in route selection?

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Gianna

1 year ago

The router will choose the route with the highest local preference, which is the first one. Simple as that. Now, can we talk about something more interesting, like the latest cat memes?

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