Computer Networking
Which of the following divides the high speed signal into frequency bands?

time-division multiplexer
modem
None of these
t-switch
frequency-division multiplexer

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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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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 TCP/IP high level protocol for transferring files from one machine to another.
a protocol that handles error and control messages
a protocol used to monitor computers
None of these

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