Computer Networking
An error detecting code is which code is the remainder resulting from dividing the bits to be checked by a predetermined binary number, is known as

Checksum
Error rate
Error detecting code
None of these
Cyclic redundancy check

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Computer Networking
A T-switch is used to

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

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