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Nokia 4A0-103 Exam - Topic 1 Question 90 Discussion

Which of the following best describes downstream unsolicited label distribution?
B) An LSR may advertise label mappings to all peers for which it might be a next-hop for a given FEC
A) An LSR may answer requests for label mappings immediately, without waiting for a label mapping from the next-hop.
C) An LSR propagates a label mapping downstream for a FEC, only if it has a label mapping for the FEC next-hop.
D) An LSR will only distribute a label for a FEC when it has been requested to do so.

Nokia 4A0-103 Exam - Topic 1 Question 90 Discussion

Actual exam question for Nokia's 4A0-103 exam
Question #: 90
Topic #: 1
[All 4A0-103 Questions]

Which of the following best describes downstream unsolicited label distribution?

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Suggested Answer: B

by Jina at Jun 24, 2024, 03:33 AM

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Brice
8 months ago
B makes the most sense to me, totally agree!
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Maynard
8 months ago
A is interesting, but I don't think it's the best choice.
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Thurman
8 months ago
Wait, so D means no unsolicited labels at all? That's surprising!
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Felicidad
8 months ago
I think it's actually C, not sure about B.
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Cecily
9 months ago
Definitely B, that's how label mappings work!
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Pete
9 months ago
I recall that option D is about only sending labels when requested, which doesn't fit the "unsolicited" part, right? So it can't be that one.
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Judy
9 months ago
I’m a bit confused about option C; it mentions propagating labels only if there's a next-hop mapping, but I thought unsolicited meant it sends labels regardless.
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Stephen
9 months ago
I feel like option B sounds familiar because it talks about advertising label mappings to peers, which seems like something we covered in class.
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Walker
9 months ago
I think I remember that downstream unsolicited label distribution means an LSR can send labels without waiting for a request, but I'm not sure which option that is.
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Minna
9 months ago
I'm not entirely sure about this one. I'll make an educated guess, but I might need to review the material on label distribution before the exam.
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Thersa
9 months ago
Okay, I remember learning about this in class. I believe the answer is B, where the LSR advertises label mappings to all its peers, even if it's not the next-hop.
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Latia
9 months ago
Hmm, I'm a bit confused by the wording here. Let me re-read the options carefully and see if I can figure out the right approach.
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Mitsue
10 months ago
This question seems straightforward, I think I know the answer but I'll double-check my understanding.
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Suzi
10 months ago
I've got this one! The key is to identify the reason that would NOT cause synchronization issues. I'm pretty confident I can eliminate the wrong answers and select the correct one.
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Antonio
10 months ago
I feel like there was something ambiguous we discussed; it could be True, but I'm hesitant. Maybe it can only do some of those things?
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Bette
10 months ago
This seems pretty straightforward. The error message clearly indicates that the packet postcards feature is incompatible with the inband-telemetry feature, so I'd go with disabling the inband-telemetry feature to resolve the issue.
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Luisa
10 months ago
This seems like a straightforward question. I think the best option is a web conference, which would allow for live, interactive presentations and discussions between the executives in the different offices.
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Valentin
1 year ago
Haha, 'unsolicited label distribution'? Sounds like my ex-girlfriend's approach to giving me relationship advice. 'Here, take this label, whether you want it or not!'
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Catarina
1 year ago
C) An LSR propagates a label mapping downstream for a FEC, only if it has a label mapping for the FEC next-hop.
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Norah
1 year ago
B) An LSR may advertise label mappings to all peers for which it might be a next-hop for a given FEC
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Kerrie
1 year ago
A) An LSR may answer requests for label mappings immediately, without waiting for a label mapping from the next-hop.
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Paola
1 year ago
B seems right to me. Advertising labels to all peers, even if they didn't ask for it, that's the downstream unsolicited part. Though I do wonder, what if the LSR has a label but the next-hop doesn't? Wouldn't that be a bit awkward?
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Irma
1 year ago
C) An LSR propagates a label mapping downstream for a FEC, only if it has a label mapping for the FEC next-hop.
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Karan
1 year ago
B) An LSR may advertise label mappings to all peers for which it might be a next-hop for a given FEC
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Ronny
1 year ago
A) An LSR may answer requests for label mappings immediately, without waiting for a label mapping from the next-hop.
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Annamae
1 year ago
I'm going with D. An LSR should only distribute a label when it's been explicitly requested to do so. Anything else seems a bit, I don't know, unsolicited? Get it? Unsolicited? *crickets*
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Gianna
1 year ago
Hmm, I was leaning towards C, where the LSR only propagates a label mapping downstream if it has a label for the next-hop. Sounds more like the 'unsolicited' part of the question.
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Chanel
1 year ago
C) An LSR propagates a label mapping downstream for a FEC, only if it has a label mapping for the FEC next-hop.
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Belen
1 year ago
B) An LSR may advertise label mappings to all peers for which it might be a next-hop for a given FEC
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Lettie
1 year ago
A) An LSR may answer requests for label mappings immediately, without waiting for a label mapping from the next-hop.
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Elin
1 year ago
I think B is the correct answer. Downstream unsolicited label distribution means an LSR can advertise label mappings to all its peers, even if they haven't requested it. This is a common MPLS practice.
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Catherin
1 year ago
It's a good way to ensure efficient label mapping propagation.
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Teri
1 year ago
That's correct, it helps in optimizing label distribution in MPLS networks.
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Michal
1 year ago
I agree, downstream unsolicited label distribution allows an LSR to advertise label mappings to all potential next-hops.
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Sherill
1 year ago
I think B is the correct answer.
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Catrice
1 year ago
Hmm, that makes sense too. It's important to understand the concept clearly before choosing the right answer.
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Coral
1 year ago
I disagree, I believe the correct answer is C) An LSR propagates a label mapping downstream for a FEC, only if it has a label mapping for the FEC next-hop.
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Catrice
1 year ago
I think the answer is A) An LSR may answer requests for label mappings immediately, without waiting for a label mapping from the next-hop.
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