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Exam (elaborations)

Fiber optic Exam Questions and Answers

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Fiber optic Exam Questions and 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. - 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. - Answer ️️ -True Confining light in a material by surrounding it by another material with lower refractive index is the phenomenon of - Answer ️️ -Total internal reflection The largest cause of attenuation in am optical fiber is - Answer ️️ -Scattering When we say 62.5/125 fiber what does "62.5" means? - Answer ️️ -Core size, diameter in microns When we say 50/125 fiber what does "125" mean? - 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 - Answer ️️ -Has a higher bandwidth which gives more distance capability with gigabit network In multimode fiber the attenuation of the fiber is __________ at 850 nm that's 1300 nm - Answer ️️ -Higher Which of the following represent a singlemode fiber size ? - Answer ️️ -9/125 Singlemode fiber has ______ bandwidth in both multimode and singlemode fiber - Answer ️️ - Greater What form of dispersion affect bandwidth in both multimode and singlemode fiber - Answer ️️ -Chromatic dispersion Most plastic optical fiber are - Answer ️️ -Large core step-index When you strip singlemode or graded index multimode mode glass fiber you are removing the - Answer ️️ -Primary buffer coating The outermost layer of protection for an optic fiber cable is - Answer ️️ -The jacket The proper method of pulling optical fiber is to attach the pull wire or tape to the - Answer ️️ - Strength members

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January 20, 2024
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