A security manager asks the network administrator to block VoIP protocols using the default ports on the corporate firewall. Which of the following ports should be blocked to prevent this type of traffic from going outside the company's network? (Choose three.)
A) 67
B) 68
C) 161
D) 636
E) 1720
F) 5060
G) 5061

Question

Quizplus · Accepted Answer

Ports 5060 and 5061 are used by SIP (Session Initiation Protocol) for VoIP signaling, and port 1720 is used by H.323, another protocol for VoIP communication. Blocking these ports will prevent VoIP traffic from passing through the firewall.

A Security Manager Asks the Network Administrator to Block VoIP