Nokia 4A0-106 Exam - Topic 2 Question 96 Discussion

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

Question #: 96
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: D

by Laurel at Jan 05, 2026, 05:16 AM

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Vivan

3 days ago

Haha, who comes up with these tricky MPLS questions? I need a coffee break!

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Francesco

8 days ago

A) I'm not sure about that, the PE1 should be pushing a VPN label, not an LDP transport label.

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Nickolas

14 days ago

D) Nah, that can't be right. The CSC-CE2 should pop the BGP label, not push an LDP transport label.

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Velda

19 days ago

B) Sounds right, the CSC-PE1 should pop the BGP label and push the VPN label and MPLS transport label.

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Johanna

24 days ago

I think option D is definitely false because I don't remember CSC-CE2 using an LDP label in that context. It seems off to me.

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Ngoc

29 days ago

I feel like I might be mixing up the functions of PE1 and PE2. I thought both were supposed to push and pop labels, but I can't recall the exact details.

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Marya

1 month ago

This question seems similar to one we practiced where we had to identify false statements about label operations. I think B might be the answer, but I need to double-check.

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Eura

1 month ago

I remember studying the label operations, but I'm not entirely sure about the role of CSC-CE2 in this scenario.

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Gladys

1 month ago

I feel pretty confident about MPLS label operations, so I think I can work through this systematically and eliminate the false statement.

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Lilli

2 months ago

Okay, let's think this through step-by-step. CE1 sends a packet to 192.60.100.1, so it will get routed to PE1. From there, I need to follow the labels being pushed and popped at each hop.

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Val

2 months ago

Hmm, I'm a bit confused by the CSC VPRN setup. I'll need to review my notes on carrier supporting carrier VPNs to make sure I understand the label operations.

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Shawna

2 months ago

This looks like a tricky MPLS routing question. I'll need to carefully trace the packet flow and label operations to determine which statement is false.

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