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

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?
D) CSC-PE2 pops the MPLS label and pushes a BGP label.
A) PE1 pushes an LDP transport label.
B) CSC-CE1 pops the LDP label and pushes a BGP label.
C) CSC-PE1 pops the BGP label and pushes two labels: a VPN label and an MPLS transport label.

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

Actual exam question for Nokia's 4A0-106 exam
Question #: 96
Topic #: 2
[All 4A0-106 Questions]

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?

Show Suggested Answer Hide Answer
Suggested Answer: D

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

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Paris
1 month ago
I believe option C is also questionable. Why would CSC-PE2 push a BGP label?
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Joana
1 month ago
I feel confused about the labels. Why so many?
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Shawnee
1 month ago
Agreed! BGP is not used at the CE level.
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Josphine
2 months ago
I think option D is false. It doesn't make sense for CE2 to pop a BGP label.
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Glenn
2 months ago
Totally agree with Tori, D) doesn't add up!
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Irma
2 months ago
Wait, are we sure about C)? That seems weird.
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Coral
2 months ago
B) is correct, they do push both labels.
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Tori
2 months ago
I think D) is the false one. Sounds off to me.
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Salina
3 months ago
A) is true, PE1 definitely pushes an LDP label.
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Latricia
3 months ago
C) Yep, that's the one. CSC-PE2 pops the MPLS transport label and pushes the BGP label.
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Vivan
3 months ago
Haha, who comes up with these tricky MPLS questions? I need a coffee break!
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Francesco
4 months 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
4 months 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
4 months 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
4 months 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
4 months 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
4 months 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
5 months 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
5 months 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
5 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
5 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
5 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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Latia
24 days ago
I think I need to visualize the packet flow.
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Cherry
29 days ago
This is definitely a tricky one!
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