Computer Networking
Which of the following communications lines is best suited to interactive processing applications?

mixed band channels
full-duplex lines
narrowband channels
None of these
simplex lines

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Computer Networking
MAC is

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.
None of these

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