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A network technician is considering opening ports on the firewall for…

A network technician is considering opening ports on the firewall for

an upcoming VoIP PBX implementation. Which of the following protocols is the technician MOST likely to consider? (Choose three.)

A. SIP

B. NTP

C. H.323

D. SMB

E. ICMP

F. RTP

G. IPSec

H. RDP


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