Computer Networking
Which network is a cross between circuits switched network and a data-gram network?

Virtual-circuit network
Circuit-switched network
None of these
Virtual-circuit identifier

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Computer Networking
MAC is

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

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