Computer Networking
In CRC the quotient at the sender

becomes the divisor at the receiver
is discarded
becomes the dividend at the receiver
is the remainder

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Computer Networking
Contention is

a continuous frequency capable of being modulated or impressed with a second signal
None of these
a collection of interconnected functional units that provides a data communications service among stations attached to the network
the condition when two or more stations attempt to use the same channel at the same time
One or more conductors that serve as a common connection for a related group of devices

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