Computer Networking
The transfer of data from a CPU to peripheral devices of a computer is achieved through

buffer memory
modems
interfaces
computer ports
None of these

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Computer Networking
HDLC (High-level Data Link Control) is

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

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