Computer Networking
Bus is

one or more conductors that some 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
a continuous frequency capable of being modulated or impressed with a second signal
None of these

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Computer Networking
TCP is:

Connection orientated and unreliable
Connectionless and unreliable
None of these
Operates at the Data Link layer
Connection orientated and reliable

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