Cisco
600-601 · Question #24
How does the optical time domain reflectometer use "backscattered" light to make measurements?
The correct answer is C. It correlates the returned light pulses with a location in the fiber. See the full explanation below for the reasoning.
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, splices,
- 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.
How the community answered
(42 responses)- A12% (5)
- B2% (1)
- C79% (33)
- D7% (3)
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