N10-009 Domain 2: Network Implementation

Which PoE standard supports up to 30W per port (802.3at)?

Multiple choice — select one answer

Answer choices

  1. a. 4095 or implementation-specific reserved; VLAN 1 default
  2. b. PoE 802.3af 15.4W class
  3. c. VPN concentrator or firewall with VPN
  4. d. PoE+

Architectural breakdown & explanation

802.3at (PoE+) delivers higher wattage.

Correct answer(s): d. PoE+

Exam domain: Domain 2: Network Implementation (19% weight on the official guide).

Official documentation & study links

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