Exam (elaborations)
ETA Fiber Optic Installer Certification exam 2023 with 100% correct answers
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Light is electromagnetic energy with a _____ frequency and a _____ wavelength compared to radios. Higher; shorter What type of light is used in fiber optic transmissions? Infrared (IR) What are the four items needed for a fiber optic system to work? Transmitter, fiber optic cable, ...
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