Computer Networking
HMP (Host Monitoring Protocol) is:

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

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Computer Networking
Parity bit is

an error-detecting code based on a summation operation performed on the bits to be checked.
None of these
a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and
the ratio of the number of data units in error to the total number of data units
a check bit appended to an array of binary digits to make the sum of all the binary digits.

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