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单选题
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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