多选题Which of the following characteristics describe the Root Guard feature？（Choose all that apply.）（）AThe port must be put into forwarding state manually after root-inconsistent state has beencorrectedBA Root Guard port receiving superior BPDU goes into a root-inconsistent stateCA Root Guard port receiving inferior BPDU goes into a root-inconsistent stateDWhile the port is in a root-inconsistent state no user data is sent across that portEThe port returns to a forwarding state if inferior BPDUs stopFIt should be applied to all switch ports
多选题
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
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