单项选择题
How does a system administrator add a new user to a system？（）
A.mkuser
B.cruser
C.adduser
D.edit /etc/password
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相关考题
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单项选择题
Auserwantstobepermanentlyaddedtothedbagroup.Whichcommandorprocesscanbeusedtoaccomplishthis？（）
A.chgrp
B.chuser
C.setgroups
D.edit /etc/security/group -
单项选择题
Duetooperationalcommitments，asystemhasaveryshortbackupwindowduringtheweek，butisnotusedfromSaturdaymorningthroughSundayatMidnight.Whichofthefollowingminimizesbackuptime，whileprovidingthebestdatarestorecoverage？（）
A.Full backups every night
B.Differential backups every night
C.Full backup Saturday night， incremental backups the rest of the week
D.Full backup Saturday night， differential backups the rest of the week -
单项选择题
AsystemadministratorperformsafullbackupeverySaturdayeveningandincrementalbackupstherestoftheweek.ThesystemfailedonThursdayandneedstoberestored.Whichbackuptapeswillberequiredtorestorethesystemtoitsmostrecentrecoverablestate？（）
A.Saturday’s full backup tape only
B.Wednesday’s incremental backup tape only
C.Saturday’s full backup and Wednesday’s incremental backup tapes
D.Saturday’s full backup and Sunday’s through Wednesday’s incremental backup tapes
