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FOA CFOT Certification Exam v11 Questions and Answers

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FOA CFOT Certification Exam v11 Questions and Answers 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? - Answer ️️ -core size, the diameter in microns When we say 50/125 fiber, what does "125" mean? - Answer ️️ -cladding size, the diameter in microns OM3 and OM4 multimode fiber with a 50/125 micron core are now a popular option in premises cabling systems because they _____. - Answer ️️ -Are "laser optimized" which gives more distance capability with gigabit networks using laser sources In-multimode fiber, the attenuation (reduction in optical power) of the fiber is _____ at 850 nm than at 1300 nm. - Answer ️️ -Higher Which of the following represents a singlemode (smaller core size) fiber size? - Answer ️️ - 9/125 micron Singlemode fiber has _____ bandwidth than multimode fiber. - Answer ️️ -greater Most plastic optical fibers 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 proper method of pulling optical fiber cables is to attach the pull wire or tape to the ____ of the cable. - Answer ️️ -Strength members According to the references, hybrid cables are cables that contain ____. - Answer ️️ -Both singelmode and multimode optical fibers What type of fiber cable design allows for large numbers of fibers with ultra-high density, small size (diameter) and lower cost? - Answer ️️ -ribbon

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