单选题You've configured an interface with an IP address and commited the change. You then commited a change that added an exception in a firewall filter to allow this network through the filter. You realize that this work was done on the wrong router. How do you undo all these changes?（）Arollback 2Brollback 1Crollback 0Drollback 3
单选题
You've configured an interface with an IP address and commited the change. You then commited a change that added an exception in a firewall filter to allow this network through the filter. You realize that this work was done on the wrong router. How do you undo all these changes?（）
A
rollback 2
B
rollback 1
C
rollback 0
D
rollback 3
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