Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor? (Choose two.) 

Answer options:

A. Using the Data Recovery Advisor LIST FAILURE command always requires that the database for which failures are to be listed is in MOUNT state.
B. A failure can be closed only when it has been repaired.
C. Data Recovery Advisor can be used if a database is closed.
D. The Data Recovery Advisor CHANGE FAILURE command can be used only to change failure priorities.
E. Data Recovery Advisor can proactively check for failures.

DE