单项选择题
A.5 km [3.1 miles]
B.10 km [6.2 miles]
C.15 km [9.3 miles]
D.20 km [12.4 miles]
E.25 km [15.5 miles]
单项选择题 Intheoperatephase，providingandmaintainingreliable，currentinformationabouttheWLANsystem hardware，software，andapplicationspertinenttothesystem’sindividualcomponentsandattributesispartofwhichservicecomponent？（）
单项选择题 WhichwirelessservicecomponentisassociatedwithmaintaininghistoricalandcurrentinformationabouttheWLANsolution？（）
单项选择题 Inwhichservicecomponentofthewirelessoperatephaseareincidenttrendsanalyzedtoidentifypatternsandsystemicconditions？（）