N10-009 Domain 4: Network Security

Which NAC solution checks endpoint health before network access?

Multiple choice — select one answer

Answer choices

  1. a. DHCP starvation/spoofing (rogue server)
  2. b. DoS/DDoS
  3. c. 802.1X with posture assessment
  4. d. WIPS scanning and ACL on wired uplinks

Architectural breakdown & explanation

NAC validates compliance before admission.

Correct answer(s): c. 802.1X with posture assessment

Exam domain: Domain 4: Network Security (19% weight on the official guide).

Official documentation & study links

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