多项选择题
Which two commands can be used to verify a trunk link configuration status on a given cisco switch?（）
A.show interfaces interface B.show interfaces trunk C.show interfaces switchport D.show ip interface brief E.show interfaces vlan
多项选择题 Which two states are the port states when RSTP has converged?（）
多项选择题 In an Ethernet network, under what two scenarios can devices transmit? （）
多项选择题 Which of the following are benefits of VLANs? （）
