A.if a switch that is configured to operate in client mode cannot access a VTP server，then the switch reverts to transparent mode.
B.The local vlan configuration is updated only when an update that has a higher configuration revision number is received.
C.Vtp advertisements are not forwarded to neighboring switches that are configured in vtp transparent mode.
D.When switches in vtp client mode are rebooted，they send a vtp advertisement request to the vtp servers.
E.Vtp client is the default vtp mode
F.On switches that are configured to operate in client mode ，vlans can be created，deleted，or renamed locally