MPLS stands for Multi-Protocol Label Switching. Which of the following descriptions of labels in MPLS are correct? (Multiple choice)

The correct answer is B. MPLS supports single-layer labels as well as multi-layer labels C. A label is an identifier with a fixed length and only local meaning, used to uniquely identify the FEC D. The MPLS system has multiple label publishing protocols, such as LDP, which is a label publishing. See the full explanation below for the reasoning.

MPLS and VPN Technologies

Question

Options

AThe label is carried in the header of the MPLS packet and has global significance, that is, the label
BMPLS supports single-layer labels as well as multi-layer labels
CA label is an identifier with a fixed length and only local meaning, used to uniquely identify the FEC
DThe MPLS system has multiple label publishing protocols, such as LDP, which is a label publishing

How the community answered

(24 responses)

A
21% (5)
B
79% (19)

Topics

#MPLS#label#FEC#LDP

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