Optical fiber - Study guides, Class notes & Summaries

Progression: Field Tech II - III Conventional Exam 2024 What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? - Answer ️️ -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? - Answer ️️ -An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and t...

FOA CFOT Certification Fiber optics Questions and Answers True - CORRECT ANSWER-A fiber optic inspection microscope can increase the danger of high powered light sources by focusing the light out of a fiber into your eye. True - CORRECT ANSWER-The fiber optic power meter measures absolute power in dBm (dB referenced to 1 mw) and, when used with a light source, measures insertion loss in dB. Total internal reflection - CORRECT ANSWER-Confining light in a material by surrounding it by...

NCTI FINAL EXAM: PROGRESSION FIELD TECH 2 - 3 TEST EXAM| LATEST UPDATE 2023 / 2024| Complete Solutions Field Tech II - III Conventional What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? - ANSWER 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-...

BICSI IN250 Optical Fiber Review Exam – Questions & Answers (100% Correct) BICSI IN250 Optical Fiber Review Exam – Questions & Answers (100% Correct) OSHA - ANSWER - Occupational Safety and Health Administration What is the 1st step you should take to safely assist an injured person during an emergency? - ANSWER - Survey the Scene When Surveying a Victim what does the B in ABC stand For? - ANSWER - Breathing When do safety codes normally require the use of a GFCI? - ANSWER - Ext...

BICSI - Installer 1-Exam Review (Complete 120 Questions With 100% Correct Answers A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ______? A 5 m (16.5') B 10 m (33') C 15 m (50') D 30 m (100') [correct Ans: - B Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit? A Impedance B Capacitance C Inductance D Resistance [correct Ans: - C Which of...

A fiber optic inspection microscope can increase the danger of high powered light sources by focusing the light coming out of a fiber into your eye. True or False? correct answers True A fiber optic power meter measures absolute power in dBM (dB referenced to 1 mw) and, when used with a light source, can measure insertion loss expressed in dB. True or False? correct answers True When we say 62.5/125 fiber, what does "62.5" mean? correct answers core size, the diameter in microns When ...

NCTI FIELD TECH 2 TO 3 PROGRESSION FINAL EXAM 2023 - 2024 100%CORRECT ANSWERS. What uses the 2.4-GHz band and runs at 54 Mbps? 802.11g 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 o...

Progression: Field Tech II - III Conventional Questions and Answers Already Graded A 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 custom...

1. B: A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ? A 5 m (16.5') B 10 m (33') C 15 m (50') D 30 m (100') 2. C: Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit? A Impedance B Capacitance C Inductance D Resistance 3. A: Which of the following markings is used for non-conductive optical fiber gen- eral-purpose cables? A OFNG B OFCR C OFCP D OFNP 4. A: Whi...

NCTI FINAL EXAM: PROGRESSION FIELD TECH 2 - 3 TEST EXAM| LATEST UPDATE 2023 / 2024| Complete Solutions Progression: Field Tech II - III Conventional 190 Q/A What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? - ANSWER Changing the infrastructure all at once would cause too many service disruptions. What is the difference between the fibe...

NCTI Final Exam Maintance Tech 2-3 Conventional| New Update 2023/ 2024| Verified Questions and ANSWERs In a hybrid fiber/coax HFC fiber optic node, what are common voltages produced by DC power supplies? - ANSWER Common Voltage includes +5, +12 and +24 VDC Why do many optical nodes accept two independent power supplies? - ANSWER For redundant Powering of the node. What is an o...