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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
7 months ago
I’m surprised there’s no route to 10.10.10.2!
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Ilene
7 months ago
C is also a possibility, but I think B is more likely.
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Caitlin
7 months ago
Wait, could it be D? Invalid labels happen sometimes.
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Ernie
8 months ago
Totally agree, B seems like the right answer!
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Ricarda
8 months ago
The router needs a route to the prefix to activate it.
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Tamie
8 months ago
I recall something about invalid labels causing issues, so maybe option D is the right answer?
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Britt
8 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
8 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
8 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
8 months ago
This one seems straightforward. I'm pretty confident the answer is A.
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Cristen
8 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
8 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
8 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
8 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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