单项选择题
A.private VLANs
B.port security
C.BPDU guard
D.dynamic ARP inspection
E.DHCP snooping
多项选择题 WhatistrueaboutaccesscontrolonbridgedandroutedVLANtraffic？（）
单项选择题 SwitchSW1hasbeenconfiguredwithPrivateVLANs.WiththattypeofPVLANportshouldthedefaultgatewaybeconfigured？（）
单项选择题 Refer to the exhibit. The user who is connected to interface FastEthernet 0/1 is on VLAN 10 andcannot access network resources. On the basis of the information in the exhibit， which commandsequence would correct the problem？（）