You have a server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2).You perform a normal backup of Server1 every Saturday.You need to implement a backup strategy for Server1 to meet the following requirements:·Minimize the time required to restore files.·On weekdays, back up only files that have changed since the Saturday backup.Which type of backup should you perform on weekdays? （）
A.copy
B.daily
C.differential
D.incremental
参考答案：C
