Computer Networking
A T-switch is used to

None of these
transmit characters one at a time
control how messages are passed between computers
rearrange the connections between computing equipment
echo every character that is received

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Computer Networking
Contention is

One or more conductors that serve as a common connection for a related group of devices
None of these
a continuous frequency capable of being modulated or impressed with a second signal
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

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