多项选择题
A.Recover from failures in the RAC environment.
B.Diagnose and repair a data file corruption online.
C.Diagnose and repair a data file corruption offline.
D.Diagnose and repair failures on a standby database
多项选择题 WhichtwokindsoffailuresmaketheDataRecoveryAdvisor（DRA）generateamanualchecklist（）
多项选择题 You are managing an Oracle Database 11g database running in ARCHIVELOG mode. The FlashRecovery Area is specified as the destination for the archived redo log files. You notice this warning in thealert log file： ORA-19815： WARNING： db_recovery_file_dest_size of 3221225472 bytes is 100.00% used， and has 0remaining bytes available. What would you do to reclaim the used space in the Flash Recovery Area（）
单项选择题 View the Exhibit to examine the output for the CROSSCHECK BACKUP command. Which statement is true about the output of the command（）