Which two statements about configuration an unconnected Catalyst Express 500 switch from setup mode using a PC are true？（）

A、You may use Cisco Network Assistant to set up the initial configuration

B、You must use CLI for initial configuration

C、You may use either CLI or CAN for configuration

D、You may make a direct connection to the PC from any point on the switch

E、You may only make a direct connection from the port with the flashing green LED to the PC