WAN data link encapsulation types include which of the following? (Choose two.)
A. T1
B. Frame Relay
C. DSL
D. PPP
E. ISDN
WAN data link encapsulation types include which of the following? (Choose two.)
A. T1
B. Frame Relay
C. DSL
D. PPP
E. ISDN
B. Frame Relay
D. PPP