When you are about to configure VTP, which two characteristics should you keep in mind?
(Choose two)

A.
A VTP password must be configured on all switches

B.
VTP should be set to server mode

C.
The server mode cannot delete VLANs

D.
VTP can run only version 1

E.
The VTP domain is restricted to building switch blocks

F.
Switches in a VTP domain can run different VTP versions