What protocol is normally considered to be both a LAN and WAN protocol?
A. PPP
B. ATM
C. X.25 D. SLIP
E. ISDN
F. Frame Relay
What protocol is normally considered to be both a LAN and WAN protocol?
A. PPP
B. ATM
C. X.25 D. SLIP
E. ISDN
F. Frame Relay