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.
Two access points running the core feature set are connected to the same switch and are providingguest services. If PSPF is enabled， what must be enabled on the switch to prevent clients fromseeing one another’s data？（）
A.port-based RADIUS B.802.1q trunking C.inline power D.protected port
A.startup B.site survey mode C.lost connection to the controller D.duplicate IP address
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