2-41.
2-42.
2-43.
2-44.
2-45.
Which of the following terms
is described as a hardware
signal sent from a potential
transmitter to a destination
to indicate that the
transmitter wishes to begin
a transmission?
1.
BTS
2.
NTS
3.
RTS
4.
WTS
Whether the cable is
pre-made or you make it, it
should always be tested
before it is installed.
1.
True
2.
False
Communication line problems
fall into how many different
categories?
1.
Five
2.
Two
3.
Three
4.
Four
Which of the following terms
is not a form of noise?
1.
Blocktalk
2.
Crosstalk
3.
Impulse
4.
White
Which of the following
ratios is used to determine
how long a cable segment can
be before the signal loss is
unacceptably high?
1.
NER
2.
NNR
3.
SER
4.
SNR
2-46.
2-47.
2-48.
2-49.
2-50.
Filters applied early in the
transmission are known by
which of the following
terms?
1.
Baseband
2.
Broadband
3.
Passband
4.
Preband
Which of the following terms
is used to describe the
decrease in signal strength
measured in decibels per 100
feet?
1.
Crosstalk
2.
Impedance
3.
Attenuation
4.
Degradation
A commonly used measure of
interference in twisted-pair
cable is referred to by
which of the following
names?
1.
2.
3.
4.
Front-end crosstalk
Inter-end crosstalk
Mid-to-end crosstalk
Near-end crosstalk
Which of the followinq terms
is a measure of electrical
resistance?
1.
Crosstalk
2.
Impedance
3.
Attenuation
4.
Degradation
How many types of line
conditioning are available?
1.
Five
2.
Two
3.
Three
4.
Four
12