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Free CompTIA Network+ N10-008 Practice Question

During routine maintenance, a network technician uses an OTDR and notices an abrupt increase in signal strength at a certain point along the fiber optic cable, followed by a gradual decline. What is the MOST likely cause of this pattern on the OTDR trace?

  • The fiber optic cable is experiencing a microbend or macrobend at the point of the signal increase.

  • A connector or mechanical splice is reflecting light, causing the spike in signal strength.

  • The fiber optic cable has a complete cut or break at the location of the abrupt signal increase.

  • A fusion splice has been poorly executed, resulting in a reflection and spike in signal strength.

This question's topic:
CompTIA Network+ N10-008 / 
Network Troubleshooting
Your Score:
Network Troubleshooting
Networking Fundamentals
Network Implementations
Network Operations
Network Security