Computer Networking
CSMA (Carrier Sense Multiple Access) is

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

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Computer Networking
A front-end processor is

a minicomputer that relieves main-frame computers at a computer centre of communications control functions
a processor in a large-scale computer that executes operating system instructions
preliminary processor of batch jobs.
a user computer system
None of these

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