You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sunday to tape: Which two statements are true about differential incremental backups? (Choose two.)
A. The backup performed on Sundays contains all the blocks that have ever been used in the database
B. The backup performed on Sundays contains all the blocks that have changed since the last level 1 backup
C. The backup performed on each working day contains all the blocks that have changed since the last level 0 backup
D. The backup performed on Monday contains all the blocks that have changed since the level 0 backup and every other working day contains all the blocks that have changed since the level 1 backup
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