N10-009 Domain 5: Network Troubleshooting

Fiber link flaps every few minutes. Inspect?

Multiple choice — select one answer

Answer choices

  1. a. Follow change control and monitor metrics
  2. b. Replace patch cable and inspect SFP/transceiver
  3. c. Private MAC/Wi-Fi privacy randomization breaking portal auth
  4. d. Dirty connectors, bend radius, and optical power levels

Architectural breakdown & explanation

Physical layer issues cause intermittent fiber links.

Correct answer(s): d. Dirty connectors, bend radius, and optical power levels

Exam domain: Domain 5: Network Troubleshooting (22% weight on the official guide).

Official documentation & study links

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