You are the administrator of the TestKing company network. The network consists of a single Active Directory domain named The network includes 20 member servers running Windows Server 2003 and 4 domain controllers running Windows Server 2003. All client computers run Windows XP Professional. A member server named TestKingSrvA functions as a file server. TestKingSrvA has a locally attached tape device. You need to create a backup schedule for TestKingSrvA. All data on TestKingSrvA must be backed up once a week. Every day, you need to back up only the data that was changed after the last backup. You need to minimize the amount of data that must be backed up every day. What should you do? （）(Choose two)

A. Perform a normal backup every week.
B. Perform a copy backup every week.
C. Perform a differential backup every week.
D. Perform an incremental backup every week.
E. Perform a normal backup every day.
F. Perform a copy backup every day.
G. Perform a differential backup every day.
H. Perform an incremental backup every day.