单项选择题
When a new trunk link is configured on an IOS based switch, which VLANs are allowed over the link?（）
A. All defined VLANs are allowed on the trunk by default.
B. Each VLAN, or VLAN range, that is specified with the switchport mode command.
C. Each VLAN, or VLAN range, that is specified with the vtp domain command.
D. Each VLAN, or VLAN range, that is specified with the vlan database command.
单项选择题 What kind of cable should be used to establish a trunked line between two Catalyst 2950 switches?（）
多项选择题 What components are required to directly connect two PCs so they are able to participate in a simple peer-to-per network?（）
单项选择题 Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa0/0 port switch?（）