Huawei Exam H12-831_V1.0 Topic 1 Question 40 Discussion

Actual exam question for Huawei's H12-831_V1.0 exam

Question #: 40
Topic #: 1

On an MPLS network, when a transit device receives an MPLS packet and is ready to swap labels, it finds that the label value after swapping is 0. In this case, which of the following operations will the device perform?

Options:

ARemoves the label from the MPLS packet and forwards the packet to the next hop.

BPushes label 0 into an outer label of the MPLS packet and forwards the MPLS packet with double labels to the next hop.

CForwards the packet to the next hop without processing the label.

DSwaps label 0 with the original label in the MPLS packet and forwards the packet to the next hop.

Show Suggested Answer

Suggested Answer: A, B, C, D

by Lonny at Mar 05, 2024, 06:26 PM

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Lawrence

3 months ago

Swapping label 0 with the original label in Option D? That's like trying to put a square peg in a round hole. Definitely not the right answer here.

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Brice

2 months ago

C) Forwards the packet to the next hop without processing the label.

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Marilynn

2 months ago

B) Pushes label 0 into an outer label of the MPLS packet and forwards the MPLS packet with double labels to the next hop.

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Rebbecca

2 months ago

A) Removes the label from the MPLS packet and forwards the packet to the next hop.

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Leah

3 months ago

Ha! Imagine if the device just said 'Nah, I'm not going to do anything' and chose Option C. That would be a pretty funny way to handle a label 0 situation.

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