CFOS/T EXAM QUESTIONS AND ANSWERS
100% SOLVED (Newest 2025) Which connectors are acceptable in a fiber optic plant - Correct Answers ✅FOCIS What does OLTS stand for? - Correct Answers ✅Optical loss test set Fiber optic cable is sometimes tested for what before its installed? - Correct Answers ✅Continuity Difference between visual fault locator and tracer? - Correct Answers ✅Amount of optical power put into the fiber What can find breaks in fibers too close to be seen by an OTDR? - Correct Answers ✅Visual Fault Locator Best way to examine a connector? - Correct Answers ✅At an angle What is done before inspecting a connector with a microscope? - Correct Answers ✅Ensure no power is present What would happen if you inspected a connector with excessively high magnification? - Correct Answers ✅Small scratches look worse than they actually are 1 / 2
CFOS/T EXAM QUESTIONS AND ANSWERS
100% SOLVED (Newest 2025) Where are scratches or defects a problem? - Correct Answers ✅Anywhere on the core What is the most basic measurement in fiber optics? - Correct Answers ✅Optical Power Loss of 20dB is what reduction in power? - Correct Answers ✅100x reduction in power Loss of 3dB is what reduction in power? - Correct Answers ✅50% reduction in power Formula for Attenuation? - Correct Answers ✅10, 2, 1 0dBm is equal to? - Correct Answers ✅1 milliwatt What does the 'm' in dBm represent? - Correct Answers ✅milliwatt Which of the following will not affect loss? - Correct Answers ✅Meter Calibration Wavelength Why do fiber optic power meters measure loss in dB? - Correct Answers ✅Measures loss directly
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