Choose two.
Which two are true about diagnosing Oracle Database failure situations using Data Recovery
Advisor?
A.Data Recovery Advisor can proactively check for failures. B.Using the Data Recovery Advisor LIST FAILURE command always requires that the database for which failures are to be listed is in MOUNT state. C.Data Recovery Advisor can be used if a database is in the NOMOUNT state. D.A failure can be closed only if the database is in MOUNT state. E.Data Recovery Advisor can be used if a database is closed.正确答案AE