Computer Networking
In CRC there is no error if the remainder at the receiver is _____.

nonzero
equal to the remainder at the sender
the quotient at the sender
None of these
zero

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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 receive and send data simultaneously
can do one way data transmission only
can send or receive data one at a time

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