多项选择题
A. Erase flash.
B. Restart the switch.
C. Delete the VLAN database.
D. Erase the running configuration.
E. Erase the startup configuration.
F. Modify the configuration register.
多项选择题 A network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test?（）
多项选择题 What are two results of entering the Switch(config)# vtp mode client command on a Catalyst switch?（）
多项选择题 What are three valid reasons to assign ports to VLANs on a switch?（）