Nokia Exam 4A0-106 Topic 5 Question 54 Discussion

Actual exam question for Nokia's 4A0-106 exam

Question #: 54
Topic #: 5

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). If CE1 sends an IP packet to 192.60.100.1, which of the following is FALSE?

APE1 pushes an LDP transport label.

BCSC-PE1 pops the BGP label and pushes two labels: a VPN label and an MPLS transport label.

CCSC-PE2 pops the MPLS transport label and pushes a BGP label.

DCSC-CE2 pops the BGP label and pushes an LDP transport label.

Show Suggested Answer

Suggested Answer: A

by Youlanda at Dec 13, 2023, 10:45 AM

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Gladys

4 days ago

Ah, the joys of MPLS label stacking. I feel like I need a diagram and a degree in network engineering just to understand this question.

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Agustin

7 days ago

I'm still trying to wrap my head around the concept of a Carrier Supporting Carrier (CSC) VPRN. Feels like a lot of layers of complexity!

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Wai

16 days ago

Hmm, that makes sense. I can see how that would work in this scenario.

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Bok

17 days ago

I disagree, I believe the answer is B) CSC-PE1 pops the BGP label and pushes two labels: a VPN label and an MPLS transport label.

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Wai

19 days ago

I think the answer is A) PE1 pushes an LDP transport label.

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The correct answer is D. CSC-CE2 pops the BGP label and pushes an LDP transport label. This is the only option that is false, as the other options describe the correct label operations for the given scenario.

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Nokia Exam 4A0-106 Topic 5 Question 54 Discussion

Contribute your Thoughts:

Gladys

Agustin

Wai

Bok

Wai

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