Posted by: Pdfprep
Post Date: December 21, 2020
Which statement about MPLS is true?
A . It operates in Layer 1.
B . It operates between Layer 2 and Layer 3.
C . It operates in Layer 3.
D . it operates in Layer 2.
Answer: B
Explanation:
MPLS belongs to the family of packet-switched networks. MPLS operates at a layer that is generally considered to lie between traditional definitions of OSI Layer 2 (data link layer) and Layer 3 (network layer), and thus is often referred to as a layer 2.5 protocol.