Computer Networking
ICMP (Internet Control Message Protocol) is

a protocol used to monitor computers
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

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Computer Networking
Which of the following refers to the terms "residual error rate"?

the number of bit errors per twenty four hours of continuous operation on an asynchronous line
The probability that one or more errors will be undetected when an error detection scheme is used
signal to noise ratio divided by the ratio of energy per bit to noise per hertz
None of these
the probability that one or more errors will be detected when an error detection mechanism is used

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