Huawei
H12-811_V1.0 · Question #970
Which of the following fields are included in an MPLS header?
The correct answer is A. Label B. TTL C. EXP. An MPLS (Multiprotocol Label Switching) header includes the following fields: Label: Identifies the MPLS path. TTL (Time to Live): Limits the lifetime of the MPLS packet. EXP (Experimental): Used for QoS marking. The Tos (Type of Service) field is part of the IP header, not MPLS.
IP Routing Technologies
Question
Which of the following fields are included in an MPLS header?
Options
- ALabel
- BTTL
- CEXP
- DTos
How the community answered
(59 responses)- A81% (48)
- D19% (11)
Explanation
An MPLS (Multiprotocol Label Switching) header includes the following fields: Label: Identifies the MPLS path. TTL (Time to Live): Limits the lifetime of the MPLS packet. EXP (Experimental): Used for QoS marking. The Tos (Type of Service) field is part of the IP header, not MPLS.
Topics
#MPLS header#MPLS label#EXP field#TTL
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