CWNP
CWNA-108 · Question #187
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?
The correct answer is C. 25.5 W. 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.
WLAN Components
Question
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?
Options
- A30 W
- B12.95 W
- C25.5 W
- D15.4 W
How the community answered
(24 responses)- B8% (2)
- C79% (19)
- D13% (3)
Explanation
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.
Topics
#802.3at#PoE+#class 4#power budget
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