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N10-009 Domain 5: Network Troubleshooting

Single host cannot reach internet but peers can. Next?

Multiple choice — select one answer

Answer choices

  1. a. Internal CA not trusted on client or cert name mismatch
  2. b. Follow change control and monitor metrics
  3. c. Compare gateway, DNS, and ACL on host vs working peer
  4. d. Dirty connectors, bend radius, and optical power levels

Architectural breakdown & explanation

Host-specific config or ACL differs from working stations.

Correct answer(s): c. Compare gateway, DNS, and ACL on host vs working peer

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

Official documentation & study links

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