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Nokia 4A0-C02 Exam - Topic 7 Question 107 Discussion

For the Inter-AS model A VPRN, which of the following is TRUE when CE2 sends an IP packet to 192.168.1. J?
C) ASBR1 pushes one label on the IP packet and label-switches it to PEL
A) PE2 pushes one label on the IP packet and label-switches it to ASBR2.
B) ASBR2 forwards an unlabeled IP packet to ASBR1.
D) PE1 pops one label and forwards the IP packet to CE1.

Nokia 4A0-C02 Exam - Topic 7 Question 107 Discussion

Actual exam question for Nokia's 4A0-C02 exam
Question #: 107
Topic #: 7
[All 4A0-C02 Questions]

For the Inter-AS model A VPRN, which of the following is TRUE when CE2 sends an IP packet to 192.168.1. J?

Show Suggested Answer Hide Answer
Suggested Answer: C

by Tora at Mar 05, 2025, 03:46 PM

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Phyliss
6 months ago
Seems like a straightforward process, but I have my doubts.
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Hortencia
6 months ago
I think ASBR1 should be pushing the label, right?
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Yolando
7 months ago
Wait, are we sure about ASBR2 forwarding an unlabeled packet?
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Chantell
7 months ago
Totally agree, that's how it works!
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Argelia
7 months ago
PE2 pushes one label on the IP packet.
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Chi
7 months ago
I definitely remember that PE1 pops a label before forwarding, so option D seems like a solid choice based on what we practiced.
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Cora
7 months ago
I’m a bit confused about the label operations. I feel like option C could be right, but I can't recall if ASBR1 really pushes a label or not.
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Valentin
8 months ago
I remember a practice question where ASBRs were involved, and I think they usually handle unlabeled packets. So maybe option B is correct?
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Val
8 months ago
I think option A sounds familiar, but I'm not entirely sure if PE2 actually pushes a label before sending it to ASBR2.
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Audra
8 months ago
I'm pretty confident I know the answer to this one. The VPRN model and label switching behavior is something I've reviewed extensively, so I should be able to identify the correct option.
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Deandrea
8 months ago
Okay, I think I've got this. The key is to follow the packet flow from CE2 to the destination. Let me walk through each option and see which one matches the correct path.
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Tamra
8 months ago
Hmm, I'm a bit confused by the diagram and the different routers involved. I'll need to review my notes on Inter-AS VPRN models to figure this out.
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Dominga
8 months ago
This question seems to be testing my understanding of VPRN and label switching. Let me think through the options carefully.
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Lindsey
1 year ago
I'm not sure, but I think C) ASBR1 pushes one label on the IP packet and label-switches it to PE1 makes sense.
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Fidelia
1 year ago
I disagree, I believe the correct answer is D) PE1 pops one label and forwards the IP packet to CE1.
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Leeann
1 year ago
I think I'll just go with the flow and see where it takes me. Maybe I'll get lucky and the answer will be 'all of the above'!
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Kanisha
1 year ago
User3: I'll choose option D) PE1 pops one label and forwards the IP packet to CE1.
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Myra
1 year ago
User2: I think option C) ASBR1 pushes one label on the IP packet and label-switches it to PE1 is the correct answer.
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Carri
1 year ago
User1: I'm going with option A) PE2 pushes one label on the IP packet and label-switches it to ASBR2.
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Xenia
1 year ago
I think the answer is A) PE2 pushes one label on the IP packet and label-switches it to ASBR2.
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Kiley
1 year ago
Hey, at least it's not asking about unicorns this time! I'm going with C, but I reserve the right to change my mind if a unicorn shows up.
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Raylene
1 year ago
I'm sticking with C, unicorns or not.
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Nguyet
1 year ago
I'm going with D, I don't trust those unicorns.
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Roy
1 year ago
I think C is the correct answer too.
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Francisca
1 year ago
Option A seems logical, but I'm worried about the 'one label' part. Shouldn't there be more labels involved?
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Agustin
1 year ago
Yeah, the diagram shows only one label being pushed, so option A makes sense.
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Lilli
1 year ago
I agree, one label should be enough for the IP packet to be label-switched to ASBR2.
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Ressie
1 year ago
I think option A is correct, just one label is pushed by PE2.
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Jarvis
1 year ago
Hmm, this one's tricky. I'm leaning towards option B, but I'm not 100% sure.
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Val
1 year ago
So, the correct answer must be option B then. ASBR2 forwards an unlabeled IP packet to ASBR1.
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Angelica
1 year ago
I believe option C is incorrect because ASBR1 does not push a label on the IP packet.
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Nelida
1 year ago
But what about option C? ASBR1 pushes one label on the IP packet and label-switches it to PE1.
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Nieves
1 year ago
I think option B is correct because ASBR2 forwards an unlabeled IP packet to ASBR1.
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Dustin
1 year ago
I think option C is correct. ASBR1 should push one label and label-switch the packet to PE1.
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Vanna
1 year ago
I think option D is the correct one. PE1 should pop one label and forward the packet to CE1.
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Amie
1 year ago
I agree, option C seems to be the correct choice.
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