单项选择题
A.Switch SW1 will change its spanning tree priority to become root for VLAN 2 only
B.All ports of the root switch SW1 will remain in forwarding mode throughout the reconvergenceof the spanning tree domain
C.No other switch in the network will be able to become root as long as switch SW1 is up andrunning
D.Switch SW1 will remain root for the default VLAN and will become root for VLAN 2
E.None of the other alternatives apply
单项选择题 The switched LAN is shown below： Study the exhibit above carefully. Switch SW5 is configured as the root switch for VLAN 10 but notfor VLAN 20. If the STP configuration is correct， what will be true about Switch SW5？（）
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？（）
