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FOA CFOT Certification Fiber optic Final Exam V11 Questions and Verified Answers

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FOA CFOT Certification Fiber optic Final Exam V11 Questions and Verified Answers A fiber optic inspector microscope can increase the danger of high powerd light source by focusing the light out of a fiber into your eyes. - CORRECT ANSWER-True A fiber optic power meter measures absolute power in dBm (dB reference to 1 mw) and when a light source measures insertions loss in dB. - CORRECT ANSWER-True Confining light in a material by surrounding it by another material with lower refractive index is the phenomenon of - CORRECT ANSWER-Total internal reflection The largest cause of attenuation in am optical fiber is - CORRECT ANSWER-Scattering When we say 62.5/125 fiber what does "62.5" means? - CORRECT ANSWER-Core size, diameter in microns When we say 50/125 fiber what does "125" mean? - CORRECT ANSWER-Cladding size the diameter in microns An older multimode fiber design with a 50/125 micron core is now option in premises cabling system because it - CORRECT ANSWER-Has a higher bandwidth which gives more distance capability with gigabit networ

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