Crucial Exams

CompTIA Network+ N10-009 Practice Question

During the deployment of a single-mode fiber optic link, a network technician suspects that the transposition of TX and RX has occurred because the endpoints are not communicating. What would be the BEST immediate step to confirm and address the suspected issue?

  • Use a light source or visual fault locator to check connectivity and orientation

  • Replace the single-mode fiber with a multimode fiber to verify link capability

  • Adjust adapter settings on the network interface cards at both ends

  • Review the system logs for errors on the fiber link interfaces

CompTIA Network+ N10-009
Network Troubleshooting
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