Computer Networking
Sales persons and other employees of the company who spend much of their time away from their offices but keep in touch with their company's microcomputers or main frame computers over telephone lines are called

company directors
telecommuters
teleprocessors
None of these
field workers

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Computer Networking
ARP (Address Resolution Protocol) is

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

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