Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits and has built-in security mecha
Posted: Fri Jul 22, 2022 12:29 pm
Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits and has built-in security mechanisms?
A. HDLC
B. PPP
C. X.25
D. Frame Relay
A. HDLC
B. PPP
C. X.25
D. Frame Relay