单项选择题
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？（）
A.it has lost contact with controller. B.its ip address already exists. C.it requires a code upgrade. D.it is operating normally.
单项选择题 Whichofthefollowingshowcommandswouldbeusedonthewdstodisplaytheaccesspointsparticipatinginfastsecureroaming？（）
单项选择题 Clientexclusionpoliciesareusedtomitigatewhichofthefollowingattacks？（）
多项选择题 Wheninstallingaciscowcs，whichtwoportscanbechangedduringinstallation？（）
