单项选择题 A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?（）

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?（）