A customer is using EMC Avamar to backup their Oracle databases. They have noticed that
their incremental backup performance is not as fast as they would like. Due to this issue,
they would like to begin using Block Change Tracking (BCT) to improve the performance.
What must be done to enable this feature?

A.
Enable BCT in RMAN on the database server

B.
Include the BCT options in the RMAN script

C.
Change the backup level to incremental backup level 1

D.
Enable BCT through SQLplus in Oracle