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Question 9: System A at Company 1 is calling System B at Company 2. The call completes, but only audioand video are present on System A from System B.
What are three possible causes? (Choose three.)
A. System A has turned off the camera and the microphone.
B. The firewall at Company 1 is blocking outgoing traffic.
C. System A cannot call System B because it is at a different company.
D. There is a firewall in the path that is blocking audio and video traffic from Company 1 to Company
2.
E. An access list is blocking video and audio somewhere in the video and audio path between System
A and System B.
Correct Answer: A,D,E
