Which three types of failures are detected by the Data Recovery Advisor (DRA)?
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
Explanation:
Reference:
http://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmrepai.htm#BRADV89728