CompTIA Network+ · N10-009
Objective 5.2: Given a scenario, troubleshoot common cable connectivity issues and select the appropriate tools
Practice questions for Network+ objective 5.2, “Given a scenario, troubleshoot common cable connectivity issues and select the appropriate tools.” Every question is original, written to the N10-009 exam objectives, and comes with a full explanation — answer them below to see instant grading.
This objective sits in Domain 5.0: Network Troubleshooting, which is about 18% of the exam — so mastering it moves your readiness score meaningfully.
1.A technician uses a cable certifier and finds that a newly installed Cat6 cable run exceeds the maximum attenuation specification. What does attenuation refer to in this context?
2.A fiber optic link is showing high decibel loss on a light meter test. The technician cleans the connectors but the loss remains high. What should the technician check next?
3.A newly installed Cat6A cable run fails the alien crosstalk (AXT) test during certification. What does alien crosstalk refer to?
4.A technician observes that a fiber link is up in only one direction — the switch can transmit but not receive. What is the most likely physical cause?
5.What tool would a technician use to determine the distance to a break in a copper cable?
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