Computer Networking
Bandlimited signal is

transmission of signals without modulation
None of these
All of these
a signal all of whose energy is contained within a finite frequency range
simultaneous transmission of data to a number of stations

ANSWER DOWNLOAD EXAMIANS APP

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 probability that one or more errors will be detected when an error detection mechanism is used
None of these
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

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
What is split horizon?

Information about a route should not be sent back in the direction from which the original update came.
It splits the traffic when you have a large bus (horizon) physical network.
It prevents regular update messages from reinstating a route that has gone down.
It holds the regular updates from broadcasting to a downed link.

ANSWER DOWNLOAD EXAMIANS APP