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

signal to noise ratio divided by the ratio of energy per bit to noise per hertz
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 detected when an error detection mechanism is used
The probability that one or more errors will be undetected when an error detection scheme is used
None of these

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
The application layer of a network

defines the user's port into the network
consists of software being run on the computer connected to the network
All of these
None of these
establishes, maintains, and terminates virtual circuits

ANSWER DOWNLOAD EXAMIANS APP