多项选择题
A. auto-channel selection
B. WMM QoS
C. 802.11F roaming
D. multiple BSSIDs
E. 802.1Q VLANs
F. AP detection
单项选择题 WhichCiscoSmallBusinesswirelessproductcanbeusedtoconnectthenetworkofasalesofficetoawarehouseinthebuildingacrosstheparkinglot？（）
单项选择题 All-in-oneUTMsecuritygatewaysarestartingtodisplaceroutersinmanysmallbusinessnetworks.WhatdoesUTMstandfor？（）
多项选择题 WhichthreearecomponentsoftheCiscoSMARTnetservice？（）