Which two additional fields are added to an Ethernet frame when implementing MACsec? (Choose two.)
A. encapsulating security payload
B. authentication header
C. message authentication code
D. authentication host mode
E. security tag
Which two additional fields are added to an Ethernet frame when implementing MACsec?
MACsec frame format, which is similar to the Ethernet frame, but includes additional fields:
Security Tag, which is an extension of the EtherType.
Message authentication code (ICV)
Correct Answer is C, E
Message Authenticate Code aka ICV
Reference: https://gonorthforge.com/wp-content/uploads/2017/10/NII_MKT-Layer2-Security-MACsec-Tech-Brief_V.2.2.pdf