Which two are true about Oracle recovery and data protection solutions? (Choose two.)
A. RMAN can be used to FLASHBACK a database.
B. RMAN can be used to roll back committed transactions.
C. Data Recovery Advisor can be used to restore a single file from an RMAN backupset.
D. Data Recovery Advisor can be used to validate backup strategies.
E. Oracle Data Guard can prevent data loss caused by a site failure.