Certified Fiber Optics Final Exam, fiber optics final test, fiber installation and testing, optical fiber certification, fiber troubleshooting, verified answers, fiber optics technician exam

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Certified Fiber Optics Final Exam, fiber optics final
test, fiber installation and testing, optical fiber
certification, fiber troubleshooting, verified answers,
fiber optics technician exam




the applications of optical fiber communications have increased at a rapid rat
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e, since the first commercial instillation of a fiber optic system in the ......answ
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er.....1970's




The loss of a signal strength is called ......answer.....attenuation
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A single binary digit Is called a ......answer.....Bit
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An eight bit group is called a ......answer.....Bite
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The _______ is used to express gain or loss in a fiber optic system or compone
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nt ......answer.....Decibel
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1mw of power is ___dbm ......answer.....0 dbm
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A loss of 3dbm is a _____ percent loss in power. ......answer.....50%
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Power is measured ______in a fiber optic system ......answer.....dbm
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Loss is measured in____ in a fiber optic system ......answer.....db
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light is electromagnetic energy with a ____wavelength and ____ frequency th
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an radio waves ......answer.....shorter, higher
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The _____ is used to measure light ......answer.....measure
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the deflection of light is called_____ ......answer.....refraction
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when light passes from one medium to another some of the light energy is ___
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__back into the first material ......answer.....Reflected
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The refractive index profile describes the relation between the indices of ____
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and ______.The core of the multimode optical fiber has the highest refractive
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index. ......answer.....Core, Cladding
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What makes up an optical fiber ......answer.....core, cladding, coating
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mode is another name for ......answer.....Path
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single mode fiber have a _____core than multimode fibers ......answer.....small
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