Which three statements are true about the strategy?

Backup requirements for a database:
* Level 0 backup on Sunday
* Cumulative incremental level 1 backup on Monday, Wednesday, and Saturday
* Differential incremental level 1 backup on Tuesday, Thursday, and Friday
Which three statements are true about the strategy? (Choose three.)

A.
Level 0 backup on Sunday contains all the blocks that have been formatted.

B.
Level 0 backup on Sunday contains all the blocks that have been changed since the last level 1 backup.

C.
Level 1 backup on Tuesday, Thursday, and Friday contains all the blocks that have been changed since the
last level 1 backup.

D.
Level 1 backup on Monday, Wednesday, and Saturday contains all the blocks that have been changed
since the last level 0 backup.

E.
Level 1 backup on Tuesday, Thursday, and Friday contains all the blocks that have been changed since the
last level 0 backup.