Choose two.
Your database is in ARCHIVELOG mode and you plan to use Flashback Database.
Which two features or parameters manage space availability in the fast recovery area?
A.the backup retention policy B.the backup optimization policy C.the DB_CREATE_ONLINE_LOG_DEST_n parameter setting D.the archived log deletion policy E.the DB_RECOVERY_FILE_DEST parameter setting F.using guaranteed UNDO retention正确答案AD
