Which of the following tools should an engineer use to detect the exact break point of the fiber link?

A fiber link connecting two campus networks is broken.

Which of the following tools should an engineer use to detect the exact break point of the fiber link?
A . OTDR
B . Tone generator
C . Fusion splicer
D . Cable tester
E . PoE injector

Answer: A

Explanation:

To detect the exact break point of a fiber link, an engineer should use an OTDR (Optical Time Domain Reflectometer). This device sends a series of pulses into the fiber, measuring the time it takes for the pulses to reflect back, and can pinpoint the exact location of the break.

Reference: Network+ N10-007 Certification Exam Objectives, Objective 2.5: Given a scenario, troubleshoot copper cable issues.

FS: OTDR (Optical Time Domain Reflectometer) Testing Principle and Applications

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