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Nokia 4A0-114 Exam - Topic 2 Question 42 Discussion

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 R5?
C) Option C
A) Option A
B) Option B
D) Option D

Nokia 4A0-114 Exam - Topic 2 Question 42 Discussion

Actual exam question for Nokia's 4A0-114 exam
Question #: 42
Topic #: 2
[All 4A0-114 Questions]

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 R5?

Show Suggested Answer Hide Answer
Suggested Answer: C

by Willis at Sep 13, 2024, 12:04 PM

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Sarah
9 months ago
I think Option C might be right too, not so sure about A.
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Monroe
9 months ago
Option A is definitely the expected output here.
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Lanie
10 months ago
Wait, are we sure R3's prefix will even show up on R5?
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Coleen
10 months ago
Totally agree, that will affect route selection!
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Edgar
10 months ago
R5 has a local preference of 200 for its prefixes.
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Elvis
10 months ago
I believe the prefixes from R3 should show up on R5, but I'm not entirely clear on the specifics of the output format.
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Dalene
11 months ago
I feel a bit confused about the "advertise-external" setting. Does it mean we won't see external routes in R5's output?
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Joni
11 months ago
I think we practiced a similar question where we had to determine the output based on local preference and AS path. I hope that helps!
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Leonardo
11 months ago
I remember something about local preference affecting route selection, but I'm not sure how it interacts with route reflectors.
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Stephaine
11 months ago
I'm feeling pretty confident about this. Based on the information provided, I believe the expected output on R5 should be the prefixes from R5 with a local preference of 200, since those will be the most preferred routes.
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Freeman
11 months ago
I'm not entirely sure about this one. The question mentions "advertise-external", but I'm not sure how that impacts the outcome. I'll need to review the BGP concepts around route reflection and path selection.
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Josphine
11 months ago
Okay, I think I've got this. Since R5 is a client of the route reflector R1, it should receive the best path from R1. And since the prefixes from R5 have a higher local preference, those should be preferred over the route from R3.
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Yolando
11 months ago
Hmm, I'm a bit confused by the route reflector setup and the local preference values. I'll need to think through how the BGP decision process works in this scenario.
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Alba
11 months ago
This looks like a tricky BGP routing question. I'll need to carefully review the network topology and configuration details to determine the expected output on R5.
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Kristeen
2 years ago
I'm feeling pretty confident about this one. Option C all the way! Though I do wonder if the test maker has a sense of humor - maybe they'll throw in a joke about routers having a 'local preference' for their favorite sports teams or something.
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Sharan
2 years ago
Option C is the way to go, no doubt about it. I mean, come on, who doesn't know that local preference trumps everything else in BGP?
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Haley
2 years ago
Haha, I bet the test creator is trying to trick us with this one. But I've got my money on Option C - can't fool me!
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Alex
2 years ago
Let's see, maybe we should review the question again.
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Hester
2 years ago
I'm not so sure, I think it might be Option B.
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Marshall
2 years ago
I think Option C is the correct choice too.
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Florinda
2 years ago
Hmm, I'm not sure. The question mentions that none of the routers are configured with 'advertise-external', so I'm a bit confused. Maybe Option B is the right answer?
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Desirae
2 years ago
User1: Let's go with Option B then, it seems to be the most likely answer.
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Reita
2 years ago
User2: I agree, Option B seems like the most logical choice based on the information given.
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Peggie
2 years ago
I think Option B is correct because the question specifies that 'advertise-external' is not configured.
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Dorinda
2 years ago
That's a good point, the local preference could definitely impact the output. Option C might be the correct answer.
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Junita
2 years ago
I disagree, I believe it would be Option C because of the local preference set by router R5.
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Mabelle
2 years ago
Option C is definitely the correct answer. The local preference of 200 on the prefixes advertised by R5 means that R5 will prefer its own routes over the ones received from R3.
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Carmelina
2 years ago
That's right, Option C is the expected output on router R5.
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Jacklyn
2 years ago
So, R5 will choose its own routes over the one advertised by R3.
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Cristen
2 years ago
Yes, the local preference of 200 on R5's prefixes will make it prefer its own routes.
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Glynda
2 years ago
I think Option C is the correct answer.
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Dorinda
2 years ago
I think the expected output on router R5 would be Option A.
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