Computer Networking
Compared to analog signals, digital signals

None of these
both A and B
are more accurate
All of these
allow faster transmission

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Computer Networking
CSMA (Carrier Sense Multiple Access) is

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

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