Which two statements are true in the preceding situation?

Examine the command used to perform an incrementallevel-0 backup:

RMAN> BACKUPINCREMENTALLEVEL0DATABASE;

To enable block change tracking, after the incremental level 0 backup, you issue the command:

SQL> ALTERDATABASEENABLEBLOCKCHANGETRACKINGUSING
FILE’/mydir/rman_change_track.f’;

To perform an incremental level-1 cumulative backup, you issue the command:

RMAN> BACKUPINCREMENTALLEVEL1CUMULATIVEDATABASE;

Which two statements are true in the preceding situation?

A.
The block change tracking data is used only from the next incremental backup.

B.
The incremental level 1 backup fails because a block change tracking file Is created after the level 0 backup.

C.
The incremental level 1 backup does not use change tracking data for accomplishing the backup.

D.
The block change tracking file scans all blocks and creates a bitmap for the blocks backed up in the level 0 backup.

E.
The block change tracking data is used for the next incremental level 1 backup only after the next level 0 backup.