Optical Study guides, Class notes & Summaries

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...

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:...

To mount a lens in a nylon suspension type frame, it would be necessary to _______ the lens. a) Drill b) Notch c) Groove d) V-Bevel c) Groove The optical center of a lens is: a) At the geometrical center b) One the 180 line c) At the point where the "a" and "b" measurement meet d) A lens location of zero deviation of the optical axis d) A lens location of zero deviation of the optical axis 01:05 01:09 The progressive power lens has a progressive zone after w...

Final Exam - Requires Respondus LockDown Browser + Webcam Due No due date Points 120 Questions 30 Time Limit 90 Minutes Requires Respondus LockDown Browser Instructions The Final Exam is compos ed of questions based upon material presented in the entire course. It will assess your level of mastery of the course content and goals. The format of the exam is similar to past module exams. You are about to begin a timed exam. Please make sure you are in a suitable, quiet place, free from distraction....

FOA CFOT Certification Exam v11 Questions and Answers (100% Correct). 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? - ANSWER-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? - ANSWER-True When we say 62.5/125 fiber, what does "62.5" mean? -...

Fiber Technician I - II Complete Exam Review Answered. What happens if the optical signal exceeds the maximum specified input power into a photodetector? What are the factors that contribute to an optical receiver's sensitivity? What is the benefit of coarse wavelength division multiplexing (CWDM) over dense wavelength division multiplexing (DWDM)? What product based on the Data Over Cable Service Interface Specification (DOCSIS) defines the protocols for Internet protocol (IP) te...

WGU C182 OBJECTIVE ASSESSMENT EXAM LATEST 2023/2024 /WGU C182 OA INTRODUCTION TO IT | 70 QUESTIONS AND ANSWERS 2023/2024. 1. What is the definition of information technology? (correct answers)It is the technology used to create, maintain, and make information accessible. 2. Which IT position has the responsibillity of working with routers and switches? (correct answers)Network Administrator 3. In which generation were silicon chips first used in computers? (correct answers)Third generatio...

Single Vision CORRECT ANSWER corrects for one distance Multifocal CORRECT ANSWER Corrects with two or more prescriptions (or 'powers') Bifocal CORRECT ANSWER lens having two focus strengths Trifocal CORRECT ANSWER pertaining to having three focus strengths Calculating Prismatic Effects CORRECT ANSWER obtained at the center of an optical lens by producing a difference in edge thickness, either by grinding the back surface at an angle to the front surface during lens surfacing or, if...

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