单选题A lightweight access point has been connected to a Catalyst 3550 24-PWR switch， and on power-up the access point fails. What is the problem with the switch？（）AThe power supply has inadequate wattage.BPower is incorrectly configured on the port.CIt does not support 802.3af Poe.DPower is not enabled on the port.
单选题
A lightweight access point has been connected to a Catalyst 3550 24-PWR switch， and on power-up the access point fails. What is the problem with the switch？（）
A
The power supply has inadequate wattage.
B
Power is incorrectly configured on the port.
C
It does not support 802.3af Poe.
D
Power is not enabled on the port.
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单选题On a series 1010 lightweight access point， the alarm led is flashing red， and all other leds are off. What is the lightweight access point indicating？（）Ait has lost contact with controller.Bits ip address already exists.Cit requires a code upgrade.Dit is operating normally.