Computer Networking
What is the main purpose of a data link content monitor?

to determine the flow of data
to determine the type of transmission used in a data link
to determine the type of switching used in a data link.
None of these
to detect problems in protocols

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Computer Networking
MAC is

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

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