单项选择题
A. The switch port link lights will be off on both switches indicating the ports are not connected.
B. The switch port link light will be off on one switch indicating that STP has disabled the port.
C. The switch port link lights will flash amber indicating an error.
D. The switch port link lights will be green indicating normal operation.
多项选择题 Which of the following IOS commands could you use to troubleshoot a router connectivity problem on an IP network?（）
单项选择题 Study the Exhibit below carefully: London#show vtp VTP Version: 2 Configuration Revision: 0 Maximum VLANs supported locally: 64 Number of existing VLANs: 5 VTP Operating Mode: Client VTP Domain Name: London VTP Pruning Mode: Disabled VTP V2 Mode: Disabled VTP Traps Generation: Disabled Based on the information given above, what is the VTP function of this particular switch?（）
多项选择题 You are a senior network administrator at TestKing and your trusty junior administrator tells you that he failed his task of adding VLAN 50 to a Catalyst switch in the network. You enter in the show vtp status command and get this output: TK2# show vtp status VTP Version :2 Configuration Revision :7 Maximum VLANs supported local :68 Number of existing VLANs :8 VTP Operating Mode :Client VTP Domain Name :corp VTP Pruning Mode :Disabled VTP V2 Mode :Disabled VTP Traps Generation :Disabled MD5 digest :0x22 0xF3 0x1A Configuration last modified by 172.18.22.15 at 5-28-03 1t:53:20 What commands must be issued on this switch to add VLAN 50 to the database?（）