多选题Which two statements are true about the rescue configuration file?（）AIt must include a root passwordBIt is roll back file number 50, and you can recover it by issuing rollback 50CIt is created by issuing request system configuration rescue saveDIt is u
题目
多选题
Which two statements are true about the rescue configuration file?（）
A
It must include a root password
B
It is roll back file number 50, and you can recover it by issuing rollback 50
C
It is created by issuing request system configuration rescue save
D
It is updated automatically when you commit