N10-009 Domain 4: Network Security

Which firewall type inspects application layer data?

Multiple choice — select one answer

Answer choices

  1. a. Port security sticky/learned limits
  2. b. Next-generation firewall (NGFW)
  3. c. 802.1X with posture assessment
  4. d. VPN then RDP over private network

Architectural breakdown & explanation

NGFWs include app-aware policies.

Correct answer(s): b. Next-generation firewall (NGFW)

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

Official documentation & study links

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