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Nokia 4A0-103 Exam - Topic 1 Question 53 Discussion

Click on the exhibit.What is the possible reason that the label for prefix 192.10.1.2/32 is not active?
B) The router does not have a route to reach to the prefix 192.10.1.2/32.
A) The router does not have a route to reach to the peer 10.10.10.2/32.
C) The router does not have an export policy defined to export the prefix 192.10.1.2/32 into LDP.
D) The router receives an invalid label for the prefix 192.10.1.2/32 from its peer.

Nokia 4A0-103 Exam - Topic 1 Question 53 Discussion

Actual exam question for Nokia's 4A0-103 exam
Question #: 53
Topic #: 1
[All 4A0-103 Questions]

Click on the exhibit.

What is the possible reason that the label for prefix 192.10.1.2/32 is not active?

Show Suggested Answer Hide Answer
Suggested Answer: B

by Cecily at Jun 14, 2022, 11:19 AM

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Dierdre
8 months ago
I’m surprised there’s no route to 10.10.10.2!
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Ilene
9 months ago
C is also a possibility, but I think B is more likely.
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Caitlin
9 months ago
Wait, could it be D? Invalid labels happen sometimes.
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Ernie
9 months ago
Totally agree, B seems like the right answer!
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Ricarda
9 months ago
The router needs a route to the prefix to activate it.
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Tamie
9 months ago
I recall something about invalid labels causing issues, so maybe option D is the right answer?
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Britt
9 months ago
I think it could be option C since export policies can affect label activation, but I’m not completely confident.
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Alysa
9 months ago
This question feels similar to one we practiced where the router couldn't reach a specific prefix. I think it might be option B.
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Lisha
10 months ago
I remember studying about label distribution protocols, but I'm not entirely sure which option is correct here.
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Gearldine
10 months ago
This one seems straightforward. I'm pretty confident the answer is A.
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Cristen
10 months ago
Exchanging hellos? I vaguely remember that being mentioned, but I can't recall if it's part of HA1.
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Ciara
10 months ago
Ah, I see. In that case, the correct answer is D. MPLS must be configured before segment routing can run with BGP.
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Ceola
10 months ago
Hmm, I'm a bit unsure about this one. I know synchronization is important, but I'm not sure exactly what happens when it breaks down. I'll have to think it through step-by-step.
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Michael
10 months ago
Service Abstraction seems like the most relevant principle to apply in this case. By abstracting the services, we could have prevented the duplication of logic across the teams.
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