You have a file server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). You need to implement a backup schedule on Server1 to meet the following requirements: ·Everyday, back up all files and folders to disk. ·Every Friday, back up all files and folders to tape. ·Every Sunday, Tuesday, and Thursday, back up only the files and folders that have changed since the previous Friday’s backup to tape. Which backup jobs should you create? （）

• A、·a normal backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday, and Thursday
• B、·a normal backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday, and Thursday
• C、·a copy backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday and, Thursday
• D、·a copy backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday and, Thursday