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Nokia 4A0-103 Exam - Topic 4 Question 23 Discussion

Actual exam question for Nokia's 4A0-103 exam
Question #: 23
Topic #: 4
[All 4A0-103 Questions]

Click on the exhibit.

An LDP tunnel is established on router R1 towards router R6. The link between routers R2 and R4 goes down. What will happen to the MPLS data traffic to router R6 IMMEDIATELY after the link goes down?

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Suggested Answer: B

by Lizette at May 09, 2022, 11:45 AM

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Kristal
4 months ago
I’m leaning towards C, since R1 has labels from both next-hops.
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Kimi
4 months ago
Fast reroute on R2 could save the day, so D might be right!
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Jettie
4 months ago
Wait, how can it not be discarded if the link is down? Sounds off.
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Geraldine
4 months ago
Totally agree, option B makes the most sense here.
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Cristal
4 months ago
I think MPLS traffic gets discarded without a backup path.
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Lynda
5 months ago
I think the labels from both next-hops could help maintain traffic flow, so maybe option C is the right choice? I need to double-check that concept.
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Nadine
5 months ago
I feel like I read something about fast reroute capabilities, but I can't recall if that applies here. Could it be option D?
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Rebbeca
5 months ago
This question reminds me of a practice scenario where we discussed LDP tunnels and their behavior during link failures. I think option B might be correct if there's no secondary path.
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Lacey
5 months ago
I remember studying how MPLS handles link failures, but I'm not entirely sure if the traffic would be discarded immediately or if there would be a backup path.
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Ruby
5 months ago
I'm not entirely sure about this, but I think the answer might be B - 2 Appliances and 2 ports.
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Trina
5 months ago
I'm a bit unsure about this one. Creating a new custom object for legacy data seems like it could be useful, but I'm not sure if that's the best approach here.
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