3 4 Study guides, Class notes & Summaries

Lesson II NCTI STUDY GUIDE Questions and Answers 2023 Through what equipment does a signal pass in the downstream path in the tree-and-branch architecture? through trunk coax and amplifiers. Line splitters and directional couplers route some of the signal onto additional trunk runs. What is the role of amplifiers? boost the power of a signal How do HFC networks divide the broadband cable operator's coverage area? divide the broadband cable operator's coverage area into small ...

NCTI TECH 4 TO 5 CH. TEST STUDY GUIDE (2022/2023) ALREADY PASSED What term describes the number of wave crests that pass a fixed point during a particular period of time? Frequency In data networking, this term is defined as "Signals may flow in either direction, but not simultaneously". Half Duplex Two CPUs have the same size data bus. Which one will process data faster? The one with a higher clock speed This unique ID number is coordinated by the Institute of Electrical and Electronics E...

Which of the following devices were used to capture TV signals in the early days of television? A) Microwave Antenna. B) Antenna placed on the roof. C) Satellite Dish. D) Dowser Rod. B) Antenna placed on the roof. Why did cable companies implement microwave technology? A) Because the equipment was inexpensive. B) Largely because the microwave signal was not amplified to reach the cable system. C) To obtain a better signal quality than antenna-delivered signal could offer. D) To f...

Which of the following devices were used to capture TV signals in the early days of television? A) Microwave Antenna. B) Antenna placed on the roof. C) Satellite Dish. D) Dowser Rod. B) Antenna placed on the roof. Why did cable companies implement microwave technology? A) Because the equipment was inexpensive. B) Largely because the microwave signal was not amplified to reach the cable system. C) To obtain a better signal quality than antenna-delivered signal could offer. D) To f...

NCTI 3 to 4 100% SOLUTION 2023//2024 The Open Systems Interconnection reference model (OSI/RM) Network Layer serves which primary purpose? - ANSWER It uses Layer 3 addresses to create multiple routed networks. The address 68.56.189.17 belongs to which Internet protocol (IP) class? - ANSWER Class A What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? - ANSWER The datagram loops back inside the host and never leaves the network interface card (NIC). Wh...

NCTI 3 to 4 Practice Examination Questions With Correct Answers 2023

NCTI Installer Tech 100% SOLUTIONS REVISED 2023//2024 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 or...

Question Answer What was the primary driver for development of IPv6? To address the issue of IPv4 address exhaustion. When comparing IPv4 to IPv6, which of the following statements is true IPv4 uses a 32-bit address scheme, while IPv6 uses a 128-bit address scheme. In IPv6-enabled networks, static addressing is no longer allowed. FALSE Without IPv4's network address translation (NAT), IPv6 offers simpler packet construction and better support for peer-to-peer and...