单项选择题
A.All ports in VLAN 10 will be in forwarding mode and all ports in VLAN 20 will be in standbymode
B.All ports will be in forwarding mode
C.All ports in VLAN 10 will be in forwarding mode and all ports in VLAN 20 will be in blockingmode
D.All ports in VLAN 10 will be in forwarding mode
E.None of the other alternatives apply
单项选择题 YouneedtotroubleshootanissueontheswitchedLAN.Whenyouissueacommand"showport3/1"onaswitch，youobservetheGiantscolumnhasanon-zeroentry.Whatcouldcausethis？（）
多项选择题 A VTP domain has six active VLANs. Without notice， all VLANs except VLAN1 fail. Just prior tothe failure， Switch2 was added to the network. Which three issues on Switch2 could be the cause？（）
单项选择题 WhichkindofmanagementcanbeperformedfromtheconsoleportofaCisco6500switch？（）
