Nokia Exam 4A0-106 Topic 2 Question 45 Discussion

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

Question #: 45
Topic #: 2

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-CE1 pops the LDP label and pushes a BGP label.

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

DCSC-PE2 pops the MPLS label and pushes a BGP label.

Show Suggested Answer

Suggested Answer: B

by Lizbeth at Apr 23, 2023, 10:23 AM

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Sherita

3 days ago

I'm not sure about the difference between LDP and BGP labels in this scenario. This question is really testing our understanding of VPRN and CSC networks.

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Vincent

5 days ago

Hmm, that makes sense. I see your point now.

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Blair

10 days ago

Option B seems to be the correct answer. The CSC-PE1 node should pop the BGP label and push the VPN label and the MPLS transport label to forward the packet to the customer carrier network.

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Isreal

11 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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Vincent

12 days ago

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

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