Computer Networking
What can cause a problem with communication with a client by name but not by IP address?

Subnet mask
The IP address
Static files such as an LMHOSTS file or a DNS database
None of these
The default gateway

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

the probability that one or more errors will be detected when an error detection mechanism is used
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

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