A. If you have access to a video telephony or teleconferencing facility that is based on computer communications technology, find out its technical specification, and describe how this is related to...

based on computer communications technology, find out its technical specification,

and describe how this is related to the technology that supports it.

B.
Compare ways in which participants in a teleconference might share a multipeer

video/audio channel with the ways in which channels are multiplexed in a

message broadcasting network.