Which statement about MACsec is true?
A.
 MACsec provides Layer 2 hop-by-hop encryption, based on the 802.1AE standard.
B.
 Cisco AnyConnect Release 3.0 supports both roles: supplicant and authenticator.
C.
 802.1X protection includes the CMD field, which is used to carry the security group 
tag value.
D.
 MACsec does not work between any MACsec-capable supplicant and 
authenticator.