You have a server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). On Server1, you have the following backup schedule: ·Normal backups every Saturday at 01:00 ·Differential backups every weekday at 02:00, except on Saturday You need to perform a complete manual backup of Server1 on Tuesday. The backup must not change which files are backed up during the next scheduled backup. Which type of backup should you perform? （）

• A、copy
• B、daily
• C、incremental
• D、normal