单项选择题 WhichauthenticationtypesareallowedwiththeCiscoADUwhenselectingWPA/WPA2/CCKMunderthesecurityoptions？（）

单项选择题 You are using standalone Cisco Aironet 1400 Series Wireless Bridges for a nine-mile point-to-point wireless link between two buildings. Which distance setting should you use for the bridgeconfigured as the root？（）

单项选择题 Whichofthefollowingsettingswillreducepacketoverheadandoveralllatencyinastandalonepoint-to-pointbridgedeployment？（）