NCTI MT1-MT2
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1. According to SCTE- and NCTA- recommend- Double arrows within a small circle on a
ed trunk system map symbols, fiber-optic solid line.
cable is represented by
2. The forward path signal in a traditional originates at the headend and is
tree-and-branch architecture transmitted downstream through coaxial
trunk cable and trunk amplifier.
3. In a HFC network, Processing equipment in the headend
converts the forward RF signal to a light
signal.
4. During aerial plant construction, The strand is tensioned so its sag profile
matches that of the overhead utility pow-
er lines.
5. With underground plant construction, The fiber-optic and coaxial cables are of-
ten places underground with other utility
lines to jointly share construction costs.
6. Standby power supplies continue providing an output voltage
even during a utility power outage by
using a back up power source.
7. Centralized power configurations provide the advantage of increased relia-
bility through sharing of expensive back-
up generators and sophisticated moni-
toring equipment among different pow-
er realms.
8. When transmitting broadband signals In a two way hybrid fiber/coax (HFC)
network, two or more individual optical
, NCTI MT1-MT2
Study online at https://quizlet.com/_h7rpcc
fibers are required for each optical node
location.
9. RF trunk amplifiers Have attenuator pads, equalizers, and
duplex filters that control and route the
RF signals.
10. Verifying plant reliability includes Frequency response sweeping, which is
adjusting RF amplifier circuits to amplify
all frequencies in the bandpass spec-
trum as equally as possible
11. Which of the following is a requirement in The antenna must be placed 3 meters
the process for measuring leakage using a from the system components and 3 me-
dipole antenna, as required by the FCC? ters from the ground.
12. Many cable companies require which type of All types of leaks must be fixed.
leaks to be fixed?
13. According to the FCC, the leakage log should The probable cause of the leakage.
contain which of the following?
14. Which of the following FCC required infor- Annual CLI calculations, regular (quar-
mation must a cable system keep on file for terly) monitoring programs, and a list
two years? of all channels used in the aeronautical
bands.
15. If your leakage detector indicates there is a 112 uV/m.
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 approx-
imate calculated level of the leak from 10
feet?
, NCTI MT1-MT2
Study online at https://quizlet.com/_h7rpcc
16. If a large signal leak is found in the aerial Drive around until an absolute peak is
plant, what is a good first step in locating the found.
leak?
17. Which of the following best describes de- The demand maintenance procedures
mand maintenance procedures with regard can improve the CLI measurement re-
to signal leakage? sults by identifying and correcting the
largest leaks first.
18. When troubleshooting signal leakage in the The backward route from the ground
drop system, what is indicated if all signs of block to the tap can be eliminated as a
signal leakage disappear when the ground source of The backward route from the
block is disconnected and terminated on the ground block to the tap can be eliminat-
side connected to the customer premises? ed as source of leakage.
19. Which typical over-the-air signal sources can Typical sources include aircraft commu-
cause a false alarm with a signal leakage nication signals and ham, mobile, and
detector? government radio broadcasts.
20. When adjusting or selecting the elements of One-quarter wavelength.
a dipole antenna for measuring signal leak-
age, what is the approximate length of each
element relative to the wavelength of the
signal being measured?
21. Which of the following problem(s) are Interference with aeronautieal naviga-
caused by egress? tion
and communication, amateur radio pub-
lic service, and cellular communications.
22. What cumulative leakage index (CLI) meets 64 or less
Federal Communications Commission (FCC)
requirements?
Study online at https://quizlet.com/_h7rpcc
1. According to SCTE- and NCTA- recommend- Double arrows within a small circle on a
ed trunk system map symbols, fiber-optic solid line.
cable is represented by
2. The forward path signal in a traditional originates at the headend and is
tree-and-branch architecture transmitted downstream through coaxial
trunk cable and trunk amplifier.
3. In a HFC network, Processing equipment in the headend
converts the forward RF signal to a light
signal.
4. During aerial plant construction, The strand is tensioned so its sag profile
matches that of the overhead utility pow-
er lines.
5. With underground plant construction, The fiber-optic and coaxial cables are of-
ten places underground with other utility
lines to jointly share construction costs.
6. Standby power supplies continue providing an output voltage
even during a utility power outage by
using a back up power source.
7. Centralized power configurations provide the advantage of increased relia-
bility through sharing of expensive back-
up generators and sophisticated moni-
toring equipment among different pow-
er realms.
8. When transmitting broadband signals In a two way hybrid fiber/coax (HFC)
network, two or more individual optical
, NCTI MT1-MT2
Study online at https://quizlet.com/_h7rpcc
fibers are required for each optical node
location.
9. RF trunk amplifiers Have attenuator pads, equalizers, and
duplex filters that control and route the
RF signals.
10. Verifying plant reliability includes Frequency response sweeping, which is
adjusting RF amplifier circuits to amplify
all frequencies in the bandpass spec-
trum as equally as possible
11. Which of the following is a requirement in The antenna must be placed 3 meters
the process for measuring leakage using a from the system components and 3 me-
dipole antenna, as required by the FCC? ters from the ground.
12. Many cable companies require which type of All types of leaks must be fixed.
leaks to be fixed?
13. According to the FCC, the leakage log should The probable cause of the leakage.
contain which of the following?
14. Which of the following FCC required infor- Annual CLI calculations, regular (quar-
mation must a cable system keep on file for terly) monitoring programs, and a list
two years? of all channels used in the aeronautical
bands.
15. If your leakage detector indicates there is a 112 uV/m.
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 approx-
imate calculated level of the leak from 10
feet?
, NCTI MT1-MT2
Study online at https://quizlet.com/_h7rpcc
16. If a large signal leak is found in the aerial Drive around until an absolute peak is
plant, what is a good first step in locating the found.
leak?
17. Which of the following best describes de- The demand maintenance procedures
mand maintenance procedures with regard can improve the CLI measurement re-
to signal leakage? sults by identifying and correcting the
largest leaks first.
18. When troubleshooting signal leakage in the The backward route from the ground
drop system, what is indicated if all signs of block to the tap can be eliminated as a
signal leakage disappear when the ground source of The backward route from the
block is disconnected and terminated on the ground block to the tap can be eliminat-
side connected to the customer premises? ed as source of leakage.
19. Which typical over-the-air signal sources can Typical sources include aircraft commu-
cause a false alarm with a signal leakage nication signals and ham, mobile, and
detector? government radio broadcasts.
20. When adjusting or selecting the elements of One-quarter wavelength.
a dipole antenna for measuring signal leak-
age, what is the approximate length of each
element relative to the wavelength of the
signal being measured?
21. Which of the following problem(s) are Interference with aeronautieal naviga-
caused by egress? tion
and communication, amateur radio pub-
lic service, and cellular communications.
22. What cumulative leakage index (CLI) meets 64 or less
Federal Communications Commission (FCC)
requirements?
