单项选择题
What is the name of the VTP mode of operation that enables a switch to forward only VTPadvertisements while still permitting the editing of local VLAN information?（）
A.server B.client C.tunnel D.transparent
单项选择题 Which command can be arouter to verify the layer 3 path to a host?（）
单项选择题 Which of the following is true regarding the use of switches and hubs for network connectivity（）。
单项选择题 Which command will show the MAC addresses of stations connected to switch ports?（）
