单项选择题
Whichstatementbestdescribesclusteringinasmall-businesswirelessnetwork?()
A.allowsmultipleaccesspointstobeconnectedwirelessly,withouttheneedforawiredEthernetnetwork
B.replicatesconfigurationparametersacrossaccesspointsinthecluster,whileoptimizingnetworkperformance
C.automaticallyconfigureswirelessclientdevicesviaWi-FiProtectedSetup
D.cangetreal-timetrafficorbandwidthstatisticsfromanaccesspointwithinacluster