单项选择题

A.Full backups every month， daily incremental backupsB.……

Due to operational commitments， a system has a very short backup window during the week， but is not used from Saturday morning through Sunday at Midnight.
Which of the following minimizes backup and recovery time， while providing complete data restore coverage （）

A.Full backups every month， daily incremental backups
B.Full backups every month， daily differential backups
C.Full backup Saturday night， incremental backups the rest of the week
D.Full backup Saturday night， differential backups the rest of the week

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单项选择题A System p administrator would like to verify the user definitions in the etc passwd file. Which of the following commands will accomplish this（）

A.sysck
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C.lssec
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A.savevg -mf /dev/rmt0 appvg
B.savevg -cvf /dev/rmt0 appvg
C.savevg -vf /dev/rmt0 appvg
D.savevg -f /dev/rmt0 -V appvg

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A.startcondresp
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A.Request to change the severity to 1.
B.Request to speak to the Duty Manager.
C.Request to escalate the problem to development.
D.Call IBM Support again and restart the process

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A.Runlevel：Action：Identifier：Command
B.Identifier：Runlevel：Action：Command
C.Command：Action：Identifier：Process
D.Process：Runlevel：Command：Identifier