多项选择题
A.packet switching
B.access layer security
C.path selection
D.VLAN membership assignment
E.bridging between LAN segments
F.microsegmentation of broadcast domains
单项选择题 AtwhichOSIlayerisalogicalpathcreatedbetweentwohostsystems?（）
多项选择题 Whatthreepiecesofinformationcanbeusedinanextendedaccesslisttofiltertraffic?(Choosethree.)（）
单项选择题 Youandaco-workerhaveestablishedwirelesscommunicationdirectlybetweenyourwirelesslaptops.Whattypeofwirelesstopologyhasbeencreated?（）