单项选择题
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？（）
单项选择题 Asystemadministratorusedthesavevgcommandtobackupthetestvgeachnight.Thereisnowarequirementtoexcludethe/test/staticfilesystemfromthebackup.Howcanthisbeaccomplished？（）
单项选择题 Howcanadirectorybeexcludedfromamksysbbackupofthefollowing？（）