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

题目
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

参考答案和解析
正确答案: B
解析: 暂无解析
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