多项选择题
A. bridge
B. access point
C. wireless adaptor
D. Layer 3 switch
E. antenna
多项选择题 Whataretwowayswithwhichasmallbusinesscankeepawirelessbusinessseparateandsecurefromawirelessguestaccessnetwork？（）
单项选择题 WhichCiscoSmallBusinesswirelessproductcanbeusedtoconnectthenetworkofasalesofficetoawarehouseinthebuildingacrosstheparkinglot？（）
单项选择题 All-in-oneUTMsecuritygatewaysarestartingtodisplaceroutersinmanysmallbusinessnetworks.WhatdoesUTMstandfor？（）