NCTI

1COPYRIGHT © 2025 BY BRITTIE DONALD, ALL RIGHTS RESERVED NCTI - Installer Book Exam 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? - B) Distribution amplifiers. Which of the following describes a carrier wave? - B) A wave with a much higher frequency than the input signal. Which of the following describes modulation? - B) The reshaping of a carrier wave to include information con...

NCTI Exam Fiber II Questions and Answers 100% Pass Why was the zero-dispersion point in single-mode fiber moved to 1,550 nm? - To take advantage of the low intrinsic absorption and lower attenuation at 1,550 nm in single-mode fiber. What type of single-mode fiber is intended for fiber-to-the-home (FTTH) installations? - The ITU-T G.657 bend-insensitive fiber (BIF). What are the primary causes of intrinsic loss in single-mode fiber? - Material absorption and Rayleigh scattering. The phen...

FTTx Basics, NCTI FTTx Basics Conventional Exam Review Exam Questions and Answers 100% Pass What is the difference between the FTTN and FTTC topologies? - An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. What are the three categories of fiber-optic cable used to identify the location of the fiber in the network? - Trunk, branch, and drop Which PON element uses patch panels ? - ODN What is the purpose of the MST? - It provides acce...

Installer I Exam Questions and Answers 100% Pass Site Characteristics - existing structures; slopes; wells; streams influence system design Soil Characteristics - 40 million bacterial cells in a single gram of soil Healthy soil is living and breathing and packed with microbes that breakdown pathogens vertical separation - dept of soil on property restrictive layer - bedrock, groundwater, impermeable layer, dept of water will no longer seep into soil Conventional Gravity System - consist...

NCTI - Installer Conventional (Lesson 1) Exam Questions and Answers 100% Pass

NCTI Installer Tech/November Exam Questions and Answers 100% Pass Why do only the outer electrons leave their orbit shells? - Only outer electrons leave their orbit shells because electrons farthest from the nucleus are more easily freed from their orbits due to a weaker electrostatic force. What is required to have a balanced (or stable) atom? - The number of electrons must equal the number of protons in order to have a balanced atom. List the capacity of each of the first four orbital s...

Installer technician conventional Exam Questions and Answers 100% Pass Why do only the outer electrons leave their orbit shells? - Only outer electrons leave their orbit shells, because electrons furthest from the nuclear us are more easily freed from their orbits due to a weaker electrostatic force What is required to have a balanced atom? - The number of electrons must equal the number of protons to have a balanced atom List the capacity for each of the first for orbital shells of an at...

Installer Technician Conventional Exam Questions and Answers 100% Pass Which orbital shell has a maximum electron capacity of 18 electrons? - Third Why are semiconductor materials not good conductors nor good insulators? - Valance shells are only half filled What best describes a conductor? - Elements that have a small number of electrons in the valence shell. Which of the following best describes the relationship between an ampere and a coulomb? - The number of amperes is equivalent to...

NCTI Exam Fiber III Questions and Answers 100% Pass The National Electrical Safety Code (NESC) provides guidelines concerning which portion of the fiber-optic cable network? - (NOT) Safety and health standards that apply to the work conditions, practices, and installations performed at telecommunications field installations. What is a safety concern when aerial fiber-optic cable is installed between poles, even though there are no high-voltage power lines? - The buildup of lethal amounts ...

NCTI Exam I Questions and Answers 100% Pass In the tree-and-branch architecture, how is the downstream signal from the trunk fed to the distribution branches? - A portion of the downstream is fed to a bridger amplifier to boost the signal before being split and routed to the distribution branches. What is a common solution when congestion from modem activity and traffic becomes unacceptable in a hybrid fiber/coax (HFC) network? - Node splitting, the subdividing of serving areas into two o...

Installer I UPDATED ACTUAL Exam Questions and CORRECT Answers Site Characteristics - CORRECT ANSWER - existing structures; slopes; wells; streams influence system design Soil Characteristics - CORRECT ANSWER - 40 million bacterial cells in a single gram of soil Healthy soil is living and breathing and packed with microbes that breakdown pathogens vertical separation - CORRECT ANSWER - dept of soil on propert

NCTI - Installer Book UPDATED ACTUAL Exam Questions and CORRECT Answers Which of the following will strengthen signals as they move farther away from the headend through the trunk express system? - CORRECT ANSWER - B) Distribution amplifiers. Which of the following describes a carrier wave? - CORRECT ANSWER - B) A wave with a much higher frequency than the input signal. Which of the following describes modulation? - CORRECT ANSWER - B) The reshaping of a carrier wave to include...

NCTI - Installer Conventional (Lesson 1) UPDATED ACTUAL Exam Questions and CORRECT Answers 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. - CORRECT ANSWER - Answer: C ) Distribution amplifiers

Installer technician conventional UPDATED ACTUAL Exam Questions and CORRECT Answers Why do only the outer electrons leave their orbit shells? - CORRECT ANSWER - Only outer electrons leave their orbit shells, because electrons furthest from the nuclear us are more easily freed from their orbits due to a weaker electrostatic force What is required to have a balanced atom? - CORRECT ANSWER - The number of electrons must equal the number of protons to have a balanced atom

Installer Technician Conventional UPDATED Exam Questions and CORRECT Answers Which orbital shell has a maximum electron capacity of 18 electrons? - CORRECT ANSWER - Third Why are semiconductor materials not good conductors nor good insulators? - CORRECT ANSWER - Valance shells are only half filled What best describes a conductor? - CORRECT ANSWER - Elements that have a small number of electrons in the valence shell.

NCTI Exam Fiber III UPDATED ACTUAL Exam Questions and CORRECT Answers The National Electrical Safety Code (NESC) provides guidelines concerning which portion of the fiber-optic cable network? - CORRECT ANSWER - (NOT) Safety and health standards that apply to the work conditions, practices, and installations performed at telecommunications field installations. What is a safety concern when aerial fiber-optic cable is installed between poles, even though there are no high-voltage ...

NCTI Exam Fiber II UPDATED ACTUAL Exam Questions and CORRECT Answers Why was the zero-dispersion point in single-mode fiber moved to 1,550 nm? - CORRECT ANSWER - To take advantage of the low intrinsic absorption and lower attenuation at 1,550 nm in single-mode fiber. What type of single-mode fiber is intended for fiber-to-the-home (FTTH) installations? - CORRECT ANSWER - The ITU-T G.657 bend-insensitive fiber (BIF). What are the primary causes of intrinsic loss in single-mode f...

NCTI Exam I UPDATED ACTUAL Exam Questions and CORRECT Answers In the tree-and-branch architecture, how is the downstream signal from the trunk fed to the distribution branches? - CORRECT ANSWER - A portion of the downstream is fed to a bridger amplifier to boost the signal before being split and routed to the distribution branches. What is a common solution when congestion from modem activity and traffic becomes unacceptable in a hybrid fiber/coax (HFC) network? - CORRECT ANSWER ...

NCTI FTTx Basics Conventional Exam Review UPDATED ACTUAL Exam Questions and CORRECT Answers What is the purpose of the MST? - CORRECT ANSWER - It provides access to connect fiber-optic cable drops from the customer premises to the network. What is the one main function of the FDH? - CORRECT ANSWER - The FDH provides effective fiber management by grouping splitters into local serving areas. Which components are used in a PON? - CORRECT ANSWER - Optical splitters

FTTx Basics, NCTI FTTx Basics Conventional Exam Review UPDATED ACTUAL Exam Questions and CORRECT Answers What is the difference between the FTTN and FTTC topologies? - CORRECT ANSWER - An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. What are the three categories of fiber-optic cable used to identify the location of the fiber in the network? - CORRECT ANSWER - Trunk, branch, and drop