单项选择题 InthewirelessAdvancedFeatureSetusinglightweightaccesspoints，avirtualinterfaceisused whensupportingwhichofthefollowingfeatures？（）

单项选择题 VLANs have been enabled on an autonomous access point. In order for clients associating toVLANs other than the native VLAN to receive an IP address which of the following must beconfigured？（）

单项选择题 WhichofthefollowingcommandsconfigurestheCisco3845IntegratedServicesRoutertoallow EAP-FASTauthenticationusingWDS？（）