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Question 267 - H12-891 discussion

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Regarding the description of the encapsulation format of the labels in MPLS, the correct one is ?

A.
The TTL field in the label has a similar meaning to the TTL (Time To Live) in the IP packet, and also has the effect of preventing loops
Answers
A.
The TTL field in the label has a similar meaning to the TTL (Time To Live) in the IP packet, and also has the effect of preventing loops
B.
The total length of an MPLS single tag is 4 bytes (32 bits).
Answers
B.
The total length of an MPLS single tag is 4 bytes (32 bits).
C.
For Ethernet, PPP packets, the tag stack is like a "cushion layer", located between the layer 2 header and the data, and when there is a VLAN tag, the MPLS header is placed on the Ether head and VLANtag between
Answers
C.
For Ethernet, PPP packets, the tag stack is like a "cushion layer", located between the layer 2 header and the data, and when there is a VLAN tag, the MPLS header is placed on the Ether head and VLANtag between
D.
label in the S field, lbit Used to identify whether the label is a bottom label, and a value of 1 indicates that it is the penultimate label
Answers
D.
label in the S field, lbit Used to identify whether the label is a bottom label, and a value of 1 indicates that it is the penultimate label
Suggested answer: A, B
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asked 18/09/2024
Ghalem benhameurlaine
31 questions
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