- Study guides, Class notes & Summaries

In what applications is a splice closure used? Answer Splice closures are used to protect optical fibers and splices against a full range of environmental changes in aerial installations or below ground in vaults. When preparing a fiber-optic cable for splicing, what is the purpose of removing approximately 2.5 cm (1 inch) of jacket and any armor that is present, from the end of the cable? Answer To access the cable's rip cord and to check the cutting depth of the knife or ringing tool wh...

if a customer already has television service and is adding high speed data service, what should be checked on the digital television channels? Answer intermittent operation, which is a symptom of noise interference in the downstream Installing a cable modem and router in a closet or utility room is simplified by having what items in the room? Answer working computer, platform for modem and router, twisted pair network cable with standard configurations what version of the docsis specificat...

Joseph is listening to Brenda, his direct report, talk about her interactions with a difficult client, yesterday. Brenda says, "I know my customer wasn't happy with our product but he really took out his frustration on me. He assumed I was the reason for his discomfort and spent ten minutes berating me to my face with accusations, swearing, intimidating gestures and even threats to try to have me fired. It was terrible." How can Joseph respond to Brenda to practice effective communication? An...

What is the name of the group that established the initial technical standards for the television industry, ensuring a single system would deliver consistent service across the nation? Answer The National Television System Committee (NTSC). What signal modulation technique do cable operators use to transport digital television signals through the cable network? Answer Quadrature amplitude modulation (QAM). What is the major change in enhanced definition TV (EDTV) that improved picture qual...

NCTI Installer Tech questions with correct answers.

What is the network system to which the gateway at the cable modem termination system (CMTS) is connected? Answer The public switched telephone network (PSTN) Which calling feature allows customers to prevent the reception (ringing) of calls from specified telephone numbers? Answer Call block An IP Voice installation requires a specific downstream signal level to work properly. What should the level of the IP Voice downstream carrier be? Answer Between -15 dBmV and +15 dBmV Which of the...

Why do only the outer electrons leave their orbit shells? Answer 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? Answer 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 shells of an atom. Answer Shell: #1 = 2 electrons; #2 = 8 ...

NCTI FINAL EXAM Progression: Field Tech III - IV Conventional Final Exam | Latest 2024 Questions and Answers Graded A+ NCTI FINAL EXAM Progression: Field Tech III - IV Conventional Final Exam | Latest 2024 Questions and Answers Graded A+

NCTI FINAL EXAM Progression: Maintenance Tech II - III Conventional| Questions and Answers NCTI FINAL EXAM Progression: Maintenance Tech II - III Conventional| Questions and Answers NCTI FINAL EXAM Progression: Maintenance Tech II - III Conventional| Questions and Answers