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Nokia 4A0-103 Exam - Topic 5 Question 28 Discussion

Click on the exhibit.The path of a fast reroute protected LSP is R1-R2-R3. Which of the following about the protected LSP path is TRUE?
D) Router R1 is the LSP head-end and can be a PLR
A) All routers along the path, R1, R2, and R3 can be PLRs.
B) If the R1-R2 link fails, router R4 becomes an MP
C) If the R2-R3 link fails, router R3 becomes a PLR

Nokia 4A0-103 Exam - Topic 5 Question 28 Discussion

Actual exam question for Nokia's 4A0-103 exam
Question #: 28
Topic #: 5
[All 4A0-103 Questions]

Click on the exhibit.

The path of a fast reroute protected LSP is R1-R2-R3. Which of the following about the protected LSP path is TRUE?

Show Suggested Answer Hide Answer
Suggested Answer: D

by Eden at May 09, 2022, 07:04 PM

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Teri
9 months ago
I'm surprised R1 can also be a PLR.
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Valene
9 months ago
Wait, can R3 really be a PLR if R2 fails?
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Hayley
9 months ago
All routers can be PLRs, that's true!
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Linwood
9 months ago
I think R4 becoming an MP is a bit off.
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Francene
9 months ago
R1 is definitely the LSP head-end.
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Lai
9 months ago
I feel like option C is misleading. R3 becoming a PLR if R2-R3 fails doesn't sound right to me.
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Bobbie
9 months ago
I'm a bit confused about option B. If R1-R2 fails, does R4 really become an MP? I need to double-check that.
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Stephaine
9 months ago
I remember a practice question where R1 was the head-end, so maybe option D is the right choice here?
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Cassie
10 months ago
I think option A might be correct since all routers can act as PLRs, but I'm not entirely sure.
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Rory
10 months ago
I think the "1" might be indicating the version or revision number of the RP100-xx standard. That would make sense for the options provided. I'll go with B, "1 display", as my best guess.
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Rolland
10 months ago
Hmm, I'm not totally sure about this one. I know the Ishikawa diagram is used for root cause analysis, but I can't remember if that's specifically for risks or something else. I'll have to think this through.
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