Nokia Exam 4A0-103 Topic 5 Question 86 Discussion

Actual exam question for Nokia's 4A0-103 exam

Question #: 86
Topic #: 5

[All 4A0-103 Questions]

Which of the following statements best describes downstream unsolicited label distribution?

AAn LER may answer requests for label mappings immediately, without waiting for a label mapping from the next-hop.

BAn LER may advertise label mappings to all peers for which it might be a next-hop for a given FEC

CAn LER propagates a label mapping downstream for a FEC. only if it has a label mapping for the FEC next-hop.

DAn LER will only distribute a label for a FEC when it has been requested to do so.

Show Suggested Answer

Suggested Answer: A

by Jennifer at Apr 29, 2024, 01:59 AM

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Toi

6 days ago

Option D is definitely wrong. The whole point of downstream unsolicited is that the LER doesn't wait for a request before sending out the label mapping. B is the clear winner here.

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Lauran

11 days ago

Haha, downstream unsolicited label distribution? Sounds like my ex-girlfriend trying to set me up with all her friends, whether I asked for it or not!

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Ryann

13 days ago

I'm torn between B and C, but I think B is the more accurate description. The LER doesn't need to wait for a label from the next-hop before advertising its own label mapping.

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Option B seems to describe the concept of downstream unsolicited label distribution the best. The LER proactively advertising label mappings to all potential next-hops is the key characteristic of this mechanism.

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Marti

22 days ago

Why do you think it's C?

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Mauricio

23 days ago

I disagree, I believe it's C.

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Marti

24 days ago

I think the answer is A.

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Nokia Exam 4A0-103 Topic 5 Question 86 Discussion

Contribute your Thoughts:

Toi

Lauran

Ryann

Loreen

Marti

Mauricio

Marti