单选题An AIX system has a rootvg plus a separate volume group for database application. Which of the following commands are sued to backup the entire system?（）Asmitty mksysb (select additional volume group)Bmkszfile mksysb /dev/rmt0Csmitty mksysb AND smitty savevgDsmitty savevg (select additional volume group)
单选题
An AIX system has a rootvg plus a separate volume group for database application. Which of the following commands are sued to backup the entire system?（）
A
smitty mksysb (select additional volume group)
B
mkszfile && mksysb /dev/rmt0
C
smitty mksysb AND smitty savevg
D
smitty savevg (select additional volume group)
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