Computer Networking
Communication network is

a collection of interconnected functional units that provides a data communications service among stations attached to the network
the condition with two or more stations attempt to use the same channel at the same time
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

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Computer Networking
Bus is

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

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