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NCTI 130 Questions with 100% Correct Answers | Updated 2023 | Guaranteed A+

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According to SCTE- and NCTA- recommended trunk system map symbols, fiber-optic cable is represented by - ️️Double arrows within a small circle on a solid line. The forward path signal in a traditional tree-and-branch architecture - ️️originates at the headend and is transmitted downstrea...

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According to SCTE- and NCTA- recommended trunk system map symbols, fiber-optic cable is
represented by - ✔ ✔ Double arrows within a small circle on a solid line.

The forward path signal in a traditional tree-and-branch architecture - ✔ ✔ originates at the
headend and is transmitted downstream through coaxial trunk cable and trunk amplifier.

In a HFC network, - ✔ ✔ Processing equipment in the headend converts the forward RF signal to a
light signal.

During aerial plant construction, - ✔ ✔ The strand is tensioned so its sag profile matches that of the
overhead utility power lines.

With underground plant construction, - ✔ ✔ The fiber-optic and coaxial cables are often places
underground with other utility lines to jointly share construction costs.

Standby power supplies - ✔ ✔ continue providing an output voltage even during a utility power
outage by using a back up power source.

Centralized power configurations - ✔ ✔ provide the advantage of increased reliability through
sharing of expensive backup generators and sophisticated monitoring equipment among different
power realms.

When transmitting broadband signals - ✔ ✔ In a two way hybrid fiber/coax (HFC) network, two or
more individual optical fibers are required for each optical node location.

RF trunk amplifiers - ✔ ✔ Have attenuator pads, equalizers, and duplex filters that control and route
the RF signals.

, Verifying plant reliability includes - ✔ ✔ Frequency response sweeping, which is adjusting RF
amplifier circuits to amplify all frequencies in the bandpass spectrum as equally as possible

Which of the following is a requirement in the process for measuring leakage using a dipole antenna, as
required by the FCC? - ✔ ✔ The antenna must be placed 3 meters from the system components and
3 meters from the ground.

Many cable companies require which type of leaks to be fixed? - ✔ ✔ All types of leaks must be
fixed.

According to the FCC, the leakage log should contain which of the following? - ✔ ✔ The probable
cause of the leakage.

Which of the following FCC required information must a cable system keep on file for two years? - ✔
✔ Annual CLI calculations, regular (quarterly) monitoring programs, and a list of all channels used in
the aeronautical bands.

If your leakage detector indicates there is a leak and displays a reading of 14 microvolts per meter
(uV/m) when you are 80 feet from a possible leak source, what is the approximate calculated level of
the leak from 10 feet? - ✔ ✔ 112 uV/m.

If a large signal leak is found in the aerial plant, what is a good first step in locating the leak? - ✔ ✔
Drive around until an absolute peak is found.

Which of the following best describes demand maintenance procedures with regard to signal leakage? -
✔ ✔ The demand maintenance procedures can improve the CLI measurement results by identifying
and correcting the largest leaks first.

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