A、交叉電纜 B、反轉電纜 C、直通電纜 D、調制解調器電纜 E、以上都正確
A、no shutdown B、link-up C、switchport mode access D、no switchport mode shutdown
A、switchport native vlan 5 B、switchport trunk native 5 C、switchport native trunk vlan 5 D、switchport trunk native vlan 5