Computer Networking
The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

cannot talk at once
None of these
can do one way data transmission only
can receive and send data simultaneously
can send or receive data one at a time

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Computer Networking
Bandlimited signal is

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

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