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Nokia 4A0-106 Exam - Topic 4 Question 7 Discussion

For the Inter-AS model VPRN, which of the following is FALSE when CE2 sends an IP packet to 192.168.1.1?
C) ASBR1 label-switches the packet and forwards it with one label to PE1.
A) PE2 pushes two labels on the IP packet and forwards it to ASBR2.
B) ASBR2 forwards the IP packet with one label to ASBR1.
D) PE1 forwards an unlabeled IP packet to CE1.

Nokia 4A0-106 Exam - Topic 4 Question 7 Discussion

Actual exam question for Nokia's 4A0-106 exam
Question #: 7
Topic #: 4
[All 4A0-106 Questions]

For the Inter-AS model VPRN, which of the following is FALSE when CE2 sends an IP packet to 192.168.1.1?

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Suggested Answer: C

by Lucy at May 05, 2022, 03:32 AM

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Ivan
7 months ago
I agree, PE1 forwarding unlabeled is just wrong.
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Beckie
7 months ago
Yeah, that seems off. PE1 should be using a label!
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Anjelica
8 months ago
Wait, is it really true that PE1 sends an unlabeled packet?
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Dean
8 months ago
I think ASBR2 forwards with one label, sounds right to me.
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Deeanna
8 months ago
PE2 definitely pushes two labels, that's how it works!
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Glory
8 months ago
I'm a bit confused about the role of ASBR1. Does it really only label-switch once? I feel like it could be more complex.
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Starr
8 months ago
I remember a similar question about label forwarding, and I think PE2 definitely pushes two labels, so A seems true.
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Thaddeus
8 months ago
I think option B might be the false one, but I'm not entirely sure how ASBR2 handles the labels in this scenario.
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Fidelia
8 months ago
I feel like D is probably true since PE1 usually forwards packets without labels, but I need to double-check that.
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Britt
8 months ago
The question provides a lot of details, so I'll need to make sure I don't miss any important steps. I'll carefully review each option and think through the sequence of commands required.
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Shonda
8 months ago
I think the best approach here is to use a Varying Attribute Dimension. This will allow us to track the customer status over time and see how it changes month-to-month.
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