Which two choices are Cisco gateway control protocols? (Choose two.)
A. H.323
B. TCP/IP
C. IETF
D. SIP
E. RTFMP
F. UDP
Which two choices are Cisco gateway control protocols? (Choose two.)
A. H.323
B. TCP/IP
C. IETF
D. SIP
E. RTFMP
F. UDP