Nokia 4A0-102 Exam - Topic 3 Question 49 Discussion

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

Question #: 49
Topic #: 3

Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6. Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes on router R1?

AOption A

BOption B

COption C

DOption D

Show Suggested Answer

Suggested Answer: C

by Billye at Jan 24, 2024, 04:12 PM

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Virgina

8 months ago

Wait, no "advertise-external"? That changes everything!

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Mignon

8 months ago

Not sure about that, I lean towards Option D.

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Yoko

8 months ago

I think Option C is the correct answer!

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Marg

8 months ago

R5 has a local preference of 200, right?

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Kiera

9 months ago

R1 is a route reflector with clients R2, R5, and R6.

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Lindsey

9 months ago

I feel like I might have seen a question where local preference was key to determining the best path. I hope I remember the right concept for this one!

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Bobbye

9 months ago

I think I read that if R3 advertises the prefix to R5 and R6, R1 should reflect that, but I'm a bit confused about the "advertise-external" setting.

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Joseph

9 months ago

This question feels similar to one we practiced about BGP attributes. I think the local preference from R5 might influence what R1 shows, but I can't recall the exact details.

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Ashleigh

9 months ago

I remember studying route reflectors and how they handle prefixes, but I'm not entirely sure how the local preference affects the output here.

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Tu

9 months ago

I'm pretty confident I can work through this. The key is understanding how the BGP decision process works, especially with a route reflector involved. I'll make sure to carefully analyze each step.

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Gerri

9 months ago

Wait, I'm a bit confused. If none of the routers are configured with "advertise-external", does that mean R3's routes won't be advertised to R1 at all? I'll need to double-check that part.

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Brandon

10 months ago

Okay, I think I've got it. Since R1 is a route reflector, it will prefer the routes with the higher local preference from R5 over the routes from R3. So the expected output on R1 should be Option A.

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Nydia

10 months ago

Hmm, the local preference of 200 on the prefixes from R5 is an important detail. I'll need to consider how that affects the route selection compared to the prefixes from R3.

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Rashida

10 months ago

This looks like a tricky BGP routing question. I'll need to carefully review the information provided and think through the BGP decision process to determine the expected output on R1.

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Cecily

10 months ago

Hmm, I'm a bit unsure about the specific commands needed here. I'll need to review my notes on file permissions and ACLs to make sure I get this right.

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Loren

10 months ago

I remember we practiced a similar question about variable costs and contributions last week. I think the actual contribution could be around $1,494,000, but I'm not entirely sure.

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Melodie

10 months ago

This one seems straightforward. I think the key is to identify the scenario that involves a behavior and a consequence.

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