Huawei
H12-831_V1.0 · Question #271
In an HPLS network, when a transit device receives an MPLS message and prepares to perform label switching, it finds that the label value after switching is 0. Which of the following operations will…
The correct answer is B. Exchange label 0 with the original label in the MPLS message and forward the message to the. See the full explanation below for the reasoning.
Question
In an HPLS network, when a transit device receives an MPLS message and prepares to perform label switching, it finds that the label value after switching is 0. Which of the following operations will it perform?
Options
- APush label 0 into the outer label of the MPLS packet and forward the MPLS packet carrying two
- BExchange label 0 with the original label in the MPLS message and forward the message to the
- CPop the label in the MPLS message and forward the message to the next hop
- DDo not process the label and directly forward the message to the next hop
How the community answered
(43 responses)- A2% (1)
- B81% (35)
- C12% (5)
- D5% (2)
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