N10-009 Domain 5: Network Troubleshooting

SSL cert warning on internal site only. Cause?

Multiple choice — select one answer

Answer choices

  1. a. Compare gateway, DNS, and ACL on host vs working peer
  2. b. Follow change control and monitor metrics
  3. c. Implement QoS marking/queuing for voice VLAN
  4. d. Internal CA not trusted on client or cert name mismatch

Architectural breakdown & explanation

Trust store or SAN mismatch causes local HTTPS warnings.

Correct answer(s): d. Internal CA not trusted on client or cert name mismatch

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

Official documentation & study links

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