3 4 - Study guides, Class notes & Summaries

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...

1. What is unique about WDM - PON ?: WDM-PON deployed in a greenfield system allows each subscriber to get their own designated wavelength. 2. What is the main benefit of deploying WDM technology?: It will increase the capacity of the existing fiber networks tenfold without adding any more fiber. 3. How are optical splitters used in the forward path?: As passive branching devices that divide an optical signal across multiple output fibers. 4. What is the purpose of a fiber demarcation box?...

QUESTION Which of the following use 32 bits signify addressing? 68.170.41.203 Answer: IPv4 QUESTION RFC 1918 defines private IPs, which are used on internal networks. Which of the following is the class A range for RFC 1918? Answer: a. 10.0.0.0 to 10.255.255.255 QUESTION The following is a valid CLASS-A host address: Answer: 10.10.10.125 QUESTION According to the IETF, how many bits are available to the operators for subnetting in a single IPv6 global unique address (GUA)? Answer:...

NCTI 3 to 4 Practice Examination Questions With Correct Answers 2023

NCTI WIFI QUESTIONS AND ANSWERS 2023 Notes Single input, single output (SISO) - Most systems have one radio and one antenna, and some systems have one radio and two antennas. Multiple input, multiple output (MIMO) - These systems use multiple radio chains in a single wireless chipset. Multi-user MIMO (MU-MIMO) - These systems use each radio chain on an access point to transmit to a unique client.Correct answer: Wired Equivalent Protection (WEP) - This type of security setup should never be ...

NCTI Progression Field Tech 3-4 FINAL EXAM: Certified Exam Study *Q&A* (100% Correct) 2025/2026 |VERIFIED| What is the main purpose of a fiber optic cable in telecommunications? signals over extensive distances with minimal signal degradation. Explain the function of a splice tray in fiber optic installations. It carries data as light A splice tray arranges and safeguards fiber splices, ensuring that the fibers are securely held and can be easily accessed for main...

NCTI Tech I to Tech II question with 100% correct answers 2023 Determining whether the cause of a problem is to one side or the other of a specific device describes what type of troubleshooting method? - correct answer The divide-and-conquer method of troubleshooting determines whether a problem is to one side or the other of a particular device. What are the characteristics of a successful troubleshooter? Please provide a few more of your own. - correct answer The characteristics of a goo...

Lesson II NCTI STUDY GUIDE question and answers rated A+ 2023 Through what equipment does a signal pass in the downstream path in the tree-and-branch architecture? - correct answer 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? - correct answer boost the power of a signal How do HFC networks divide the broadband cable operator's coverage area? - correct answer divide the broad...