Computer Networking
Error rate is

a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and
None of these
an error-detecting code based on a summation operation performed on the bits to be checked.
a check bit appended to an array of binary digits to make the sum of all the binary digits.
the ratio of the number of data units in error to the total number of data units

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Computer Networking
Contention is

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

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Computer Networking
You telnet into a remote device and type debug ip rip, but no output from the debug command is seen. What could the problem be?

IP addressing on the network is incorrect.
You must type the show ip rip command first.
You must use the terminal monitor command.
Debug output is sent only to the console.

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