3 to 4 - Study guides, Class notes & Summaries

NCTI FINAL EXAM: PROGRESSION FIELD TECH 3- 4 TEST EXAM| LATEST UPDATE 2023 / 2024| Verified Answers Progression: Field Tech III - IV Conventional 500Q/A The open system interconnection reference model (OSI/R<) Network layer serves which primary function? It uses layer 3 addresses to create multiple routed networks The address 68.56.189.17 belongs to which internet protocol IP class? Class A What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? The datagr...

NCTI Final Exam: Progression Field Tech 3- 4 Exam| New Update 2023/ 2024| Verified Answers 1. Which two of the following are examples of local area network (LAN) logical addresses? (Choose two.) Answer: 201.90.35.78 Port 23 2. Which three of the following terms refer to a physical address? (Choose three.) Answer: Media access control (MAC) address. Adapter address. Hardware address.

Ncti 2-3 Questions and Answers 2023 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 the fiber-optic cable used to identify the location of the fiber in the network? Truck, branch, and drop Which type of fiber topology used in a PON places the PON splitters at the headend while providing one designated fiber for every customer pre...

Field Tech II - III Conventional – NCTI Questions and Answers 2023 What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? Changing the infrastructure all at once would cause too many service disruptions. What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies? An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premi...

NCTI Installer Tech/November question with complete solution 2023Why do only the outer electrons leave their orbit shells? - correct 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? - correct answer The number of electrons must equal the number of protons in order to have a balanced atom. List the capacity of each...

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...

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 ...