Computer Networking
MAC is

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

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Computer Networking
HMP (Host Monitoring Protocol) is:

a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
a protocol used to monitor computers
None of these
a TCP/IP high level protocol for transferring files from one machine to another.
a protocol that handles error and control messages

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