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Nokia 4A0-103 Exam - Topic 1 Question 45 Discussion

Which of the following about Fast Reroute node protection tunnels is FALSE?
C) Node protection tunnels are only used by one-to-one Fast Reroute.
A) Node protection tunnels detour around a failed next downstream router.
B) Node protection tunnels can only be requested for a primary LSP path.
D) Link protection tunnels are established if a router is unable to establish node protection tunnels.

Nokia 4A0-103 Exam - Topic 1 Question 45 Discussion

Actual exam question for Nokia's 4A0-103 exam
Question #: 45
Topic #: 1
[All 4A0-103 Questions]

Which of the following about Fast Reroute node protection tunnels is FALSE?

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Suggested Answer: C

by Minna at May 08, 2022, 08:44 AM

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Noble
7 months ago
Wait, are we sure about B? That seems a bit restrictive!
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Tricia
7 months ago
D seems off, I thought link protection was a separate thing entirely.
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Glenna
7 months ago
C is misleading, node protection can be used in other scenarios too.
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Fletcher
8 months ago
B sounds right, you can only request it for the primary path.
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Roosevelt
8 months ago
A is true, node protection does detour around failures.
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Tennie
8 months ago
I vaguely recall that D might be true since link protection is a fallback if node protection fails, but I need to double-check that.
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Suzi
8 months ago
I'm not entirely sure about B; I feel like node protection can be requested for backup paths too, but I could be mixing it up with something else.
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Meaghan
8 months ago
I think option A sounds correct because node protection should indeed detour around a failed router, right?
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Maryann
8 months ago
I remember practicing a question similar to this, and I think C is misleading. Node protection isn't limited to just one-to-one Fast Reroute, is it?
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Garry
8 months ago
This looks like a straightforward question about WS-Policy definitions. I think the key is to understand that a WS-Policy can be attached to different parts of a service contract or to multiple service contracts.
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Ivette
8 months ago
I'm a bit confused - the question mentions clicking a Button1, but the code isn't shown. I'll need to make sure I understand the full context before answering.
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