Fiber Optics (Light Brigade) exam 2024 with 100% correct answers
When was the first North American commercial fiber optic system installed? correct answers1977 What is a mode in an optical fiber? correct answersPath What are the "three Cs" of an optical fiber? correct answersCore, Cladding, Coating What are the three critical factors to be considered when working with a fiber optic network? correct answersAttenuation, Dispersion, Reflection What does the acronym ITU represent? correct answersInternational Telecommunication Union what are the two most commonly used sizes of multimode cores? correct answers50um, 62.5um What unit of measurement is used to measure and express wavelengths? correct answersnm - nanometer what unit of measurement is used to denote the size of a fiber's core, cladding, and coating? correct answersum - microns what are the outside diameters of single-mode and multimode claddings? correct answers125um What effects are optical fibers immune to? correct answersElectrical, Radio what are the three primary wavelength windows in a fiber optic system? correct answers850, 1300, 1550 which wavelength has the lowest attenuation? correct answers1550
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