多项选择题
A. A switch in the VTP client mode cannot update its local VLAN database.
B. A trunk link must be configured between the switches to forward VTP updates.
C. A switch in the VTP server mode can update a switch in the VTP transparent mode.
D. A switch in the VTP transparent mode will forward updates that it receives to other switches.
E. A switch in the VTP server mode only updates switches in the VTP client mode that have a higher VTP revision number.
F. A switch in the VTP server mode will update switches in the VTP client mode regardless of the configured VTP domain membership.
多项选择题 Before installing a new, upgraded version of the IOS, what should be checked on the router, and which command should be used to gather this information?（）
多项选择题 What can be done to secure the virtual terminal interfaces on a router?（）
多项选择题 Which of the following IP addresses can be assigned to the host devices?（）