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Exam CWNA-108 topic 1 question 65 discussion

Actual exam question from CWNP's CWNA-108
Question #: 65
Topic #: 1
[All CWNA-108 Questions]

A dual-band 802.11ac AP must be powered by 802.3at PoE. As a class 4 device, what minimum power level should be received at the AP?

  • A. 30 W
  • B. 12.95 W
  • C. 25.5 W
  • D. 15.4 W
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Suggested Answer: C 🗳️
by royco at May 26, 2023, 8:43 a.m.

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Alonzo_Harris
1 year ago
Selected Answer: C
A PSE compliant with 802.3at can providen 30 watts of power onto the wire, and gurantees up to 25.5 watts of power at the PD. This is a trick question because choosing 12.95 PoE requirements into 802.3af realm. CWNA-108 pg 261
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Jdilla
1 year, 5 months ago
Selected Answer: C
C is correct. PoE standard 802.3at denotes 25.5W(PD) 30W(PSE). 12.95W(PD) puts you in the 802.3af territory. This seems to be a trick question.
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royco
1 year, 7 months ago
Should be B, class 4 = Power range at PD (W) 12.95–25.50 Question ask for minimum > 12,95 W
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