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