Which of the following characteristics describe the Root Guard feature?(Choose all that apply.)()
A、The port must be put into forwarding state manually after root-inconsistent state has beencorrected
B、A Root Guard port receiving superior BPDU goes into a root-inconsistent state
C、A Root Guard port receiving inferior BPDU goes into a root-inconsistent state
D、While the port is in a root-inconsistent state no user data is sent across that port
E、The port returns to a forwarding state if inferior BPDUs stop
F、It should be applied to all switch ports