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Free CompTIA Network+ N10-008 Practice Question

A technician is using an Optical Time Domain Reflectometer (OTDR) to troubleshoot a newly-installed single-mode fiber link that is not performing up to expected specifications. The OTDR report shows a significant spike followed by a drop in signal level at a certain distance from the start. What is the MOST likely cause of this specific pattern in the OTDR trace?

  • There is a macrobend near the OTDR's starting point.

  • The fiber connector at the start point is dirty.

  • There is a poor splice at the indicated distance.

  • The fiber has been cleanly cut at the indicated distance.

This question's topic:
CompTIA Network+ N10-008 / 
Network Troubleshooting
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