2 3 Study guides, Class notes & Summaries

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 Field Tech 2 to 3 correctly answered to pass 2023What is one reason why broadband cable operators install fiber optic cables in stages instead of changing the infrastructure all at once - correct answer Changing the infrastructure all at once would cause too many service disruptions What is the difference between FTTN and FTTC - correct answer FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises Which of these components is used in a PO...

NCTI Installer Tech Multiple Choice Part 1 correctly answered rated A+ 2023 20 milliamperes is the same as _________ amperes. A 2 B 0.2 C 0.02 D 0.002 - correct answer C The orbital shell that has a maximum capacity of 18 valence electrons is the ________ shell. A First B Second C Third D Fourth - correct answer C A semiconductor material has ___ valence electron(s) A 1 B 2 C 3 D 4 - correct answer D The major factor in determining whether a particular element is a conducto...

NCTI WIFI question with correct answers graded A+ 2023 updated to passNotes 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...

NCTI Field Tech 2 to 3 question with complete solution graded A+ 2023What is one reason why broadband cable operators install fiber optic cables in stages instead of changing the infrastructure all at once - correct answer Changing the infrastructure all at once would cause too many service disruptions What is the difference between FTTN and FTTC - correct answer FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises Which of these components ...

NCTI Tech I to Tech II Exam Practice Questions with 100% Correct Answers 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 ️️ -T...

QUESTIONS AND ANSWERS

NCTI Service Technician: Think About it correctly answered to pass 2023What are three principle characteristics that define an AC waveform? - correct answer The three principle characteristics that define an AC waveform are: (1) frequency; (2) wavelength; and (3) amplitude. What is one of the basic principles of resistance reflected in the familiar practices of grounding and bonding? - correct answer Grounding and bonding practices reflect the basic principle that electricity always follows t...

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 ...

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...