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Computer Network Management
Wired Wireless Transmission Media
Q
For an IP based protocol, the MPLS label is inserted between which two headers?
AA. Ieee 802.3 mac header and network layer ip header
BB. Ieee 802.11 mac header and transport layer mac header
CC. Transport layer ip header and network layer ip header
DD. Physical layer mac header and data link layer ip header
Correct Answer:
A. A. Ieee 802.3 mac header and network layer ip header
Explanation:
MPLS (Multiprotocol Label Switching) label is highly scalable. It operates at the interface between network layer and link layer of the OSI model. Therefore, in an IP based protocol, MPLS label is positioned between IEEE 802.3 MAC header and Network layer IP header.
