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Nokia Exam 4A0-112 Topic 1 Question 1 Discussion

Actual exam question for Nokia's 4A0-112 exam
Question #: 1
Topic #: 1
[All 4A0-112 Questions]

A series of actions are triggered on a router as a result of enabling both loopfree-alternate for a link-state routing protocol and ip-fast-reroute. Which of the following is NOT one of those actions?

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Suggested Answer: A

by Catherin at Jan 27, 2025, 11:34 AM

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Francesco
4 months ago
I think the answer is B, because it doesn't involve installing entries in the FIB.
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Krystal
4 months ago
Wait, so they're asking us what's NOT done? That's like a double negative, right? My head hurts just thinking about it!
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Trinidad
4 months ago
This is a tricky one. I'm going to have to do some more research on IP-FRR before I can be confident in my answer.
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Judy
4 months ago
I think B is the correct answer. Calculating a backup next hop without informing other routers would be a security risk.
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Josephine
3 months ago
Actually, D is the correct answer. Enabling the router to locally repair the active path is a key feature of loopfree-alternate and ip-fast-reroute.
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Kristel
3 months ago
I believe C is the correct answer. Installing two entries in the FIB for IP prefixes makes sense for redundancy.
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Brendan
3 months ago
I agree, A seems like a standard procedure for routing protocols.
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Desmond
4 months ago
I think A is the correct answer. Calculating the shortest-path next hop is a common action.
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Marget
4 months ago
I'm not sure, but I think it might be A.
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King
4 months ago
D sounds like the obvious answer to me. Enabling local repair is a key feature of IP-FRR, not something that's not done.
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Colene
4 months ago
I disagree, I believe the answer is D.
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Nu
4 months ago
Hmm, I'm not sure about C. Isn't that a bit excessive to have two FIB entries per prefix?
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Noel
3 months ago
Yeah, having two FIB entries per prefix does seem excessive.
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Paris
3 months ago
D) Enabling the router to locally repair the active path to an IP prefix in case of failure.
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Stephanie
4 months ago
B) Calculating a backup next hop for each known IP prefix, if it exists, that would not create a routing loop if used without informing other routers.
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Gwenn
4 months ago
A) Calculating the shortest-path next hop for each known IP prefix.
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Gaynell
4 months ago
I think the answer is C.
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