Which of the following is true about the MPLS header and its EXP field size?
A.
The MPLS header is 2 bytes, and the EXP field is 3 bits long.
B.
The MPLS header is 1 byte, and the EXP field is 3 bits long.
C.
The MPLS header is 4 bytes, and the EXP field is 3 bits long.
D.
The MPLS header is 3 bytes, and the EXP field is 3 bits long.
Explanation: