单项选择题
A.8 feet [2.4 meters]
B.16 feet [4.8 meters]
C.24 feet [7.3 meters]
D.40 feet [12.1 meters]
单项选择题 You are using standalone Cisco Aironet 1400 Series Wireless Bridges for a nine-mile point-to-point wirelesslink between two buildings. Which distance setting should you use for the bridge configured as the root？（）
单项选择题 Intheoperatephase，providingandmaintainingreliable，currentinformationabouttheWLANsystem hardware，software，andapplicationspertinenttothesystem’sindividualcomponentsandattributesispartofwhichservicecomponent？（）
单项选择题 WhichwirelessservicecomponentisassociatedwithmaintaininghistoricalandcurrentinformationabouttheWLANsolution？（）