Generally, the bandwidth actually occupied by a video conference is greater than the conference bandwidth. What are the possible causes? (Choose all that apply.)
A.
IP packet headers occupy some bandwidth.
B.
Retransmission of lost packets occupies some bandwidth.
C.
Signaling interaction data occupies some bandwidth.
The actual bandwidth exceeds the nominal conference bandwidth because of protocol overhead (both IP and UDP headers), signaling exchanges, and any retransmissions of lost packets, all of which consume additional capacity.
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