Cisco
200-401 · Question #60
200-401 Question #60: Real Exam Question with Answer & Explanation
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Question
How does the optical time domain reflectometer use "backscattered" light to make measurements?
Options
- AIt uses pulses to locate and test for sheath faults, damaged conductors, loose connectors,
- BIt performs wiremapping to measure that all pins are correctly connected.
- CIt correlates the returned light pulses with a location in the fiber.
- DIt measures light-pulse width to measure that all pins are correctly connected.
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