Oracle Database 12c: Advanced Administration — Question 134

You issued these commands for one of your databases:
RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE;
RMAN> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING
FILE "˜/mydir/rman_change_track.f';
RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;
Which two are true? (Choose two.)

Answer options

• A. The cumulative incremental level 1 database backup ignores the block change tracking file.
• B. Future cumulative incremental level 1 database backups will reference the block change tracking file.
• C. Future incremental level 0 database backups will reference the block change tracking file.
• D. The cumulative incremental level 1 database backup fails.
• E. The block change tracking file will be updated automatically after creation to refer to modified blocks contained in the incremental level 0 database backup.

Correct answer: B, E

Explanation

The correct answers are B and E because future cumulative incremental level 1 backups will indeed reference the block change tracking file, enhancing backup efficiency. Additionally, the block change tracking file is updated automatically to include modified blocks after the level 0 backup, ensuring that subsequent backups can utilize this information. Options A, C, and D are incorrect as they misrepresent the functionality and behavior of the block change tracking feature.