Computer Networking
Which of the following communications modes support two-way traffic but in only one direction of a time?

simplex
three-quarters duplex
half-duplex
None of these
full-of the above

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Computer Networking
Bandlimited signal is

simultaneous transmission of data to a number of stations
All of these
None of these
a signal all of whose energy is contained within a finite frequency range
transmission of signals without modulation

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