Computer Networking
UDP is:

Connectionless and unreliable
None of these
Not a part of the TCP/IP suite
Connection oriented and unreliable
Connection orientated and reliable

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Computer Networking
Contention is

None of these
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
One or more conductors that serve as a common connection for a related group of devices

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Computer Networking
MAC is

None of these
a method access control technique or multiple-access transmission media
a method of determining which device has access to the transmission medium at any time
a very common bit-oriented data link protocol issued to ISO.
network access standard for connecting stations to a circuit-switched network

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