nerdexam
Huawei

H12-891_V1.0 · Question #380

Which of the following descriptions of the label encapsulation format in MPLS are correct? (Multiple choice)

The correct answer is A. The total length of a single MPLS label is 4 bytes B. The TIL field in the label has a similar meaning to the TTL (Time To Live) in the IP packet, and. See the full explanation below for the reasoning.

MPLS and VPN Technologies

Question

Which of the following descriptions of the label encapsulation format in MPLS are correct? (Multiple choice)

Options

  • AThe total length of a single MPLS label is 4 bytes
  • BThe TIL field in the label has a similar meaning to the TTL (Time To Live) in the IP packet, and
  • CThe length of the S field in the label is 1 bit, which is used to identify whether the label is the
  • DFor Ethernet and PP packets, the label stack is like a "cushion", located between the Layer 2

How the community answered

(54 responses)
  • A
    76% (41)
  • C
    17% (9)
  • D
    7% (4)

Topics

#MPLS label#label format#S bit#TTL

Community Discussion

No community discussion yet for this question.

Full H12-891_V1.0 Practice