Which three types of failures are detected by the Data Recovery Advisor (DRA)? 

Answer options:

A. loss of a non-critical data file
B. loss of a control file
C. physical data block corruption
D. logical data block corruption
E. loss of an archived redo log file

ABC

Reference: http://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmrepai.htm#BRADV89728