NCTI - Installer Conventional (Lesson 1)
Questions and Answers (100% Pass)
Which of the following will strengthen signals as they move farther away from the
headend through the trunk express system?
A ) Uninterruptable power supplies.
B ) Feeder cables.
C ) Distribution amplifiers.
D ) Fiber nodes. - ✔️✔️Answer: C ) Distribution amplifiers
Which of the following describes a carrier wave?
A ) A wave where the frequencies are spaced widely apart.
B ) A wave with a much higher frequency than the input signal.
C ) A wave with the same frequency as the input signal.
D ) A wave that has been converted to an electromagnetic wave. - ✔️✔️Answer: B ) A
wave with a much higher frequency than the input signal.
Which of the following describes modulation?
A ) The measure of signal strength.
B ) A range of frequencies assigned to signals to keep them separate from one another.
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