单项选择题

You executed the following commands in an RMAN session for your database instance that has failures：
RMAN> LIST FAILURE；
After some time， you executed the following command in the same session： RMAN> ADVISE FAILURE；
But there are new failures recorded in the Automatic Diagnostic Repository （ADR） after the execution ofthe last LIST FAILURE command.
Which statement is true for the above ADVISE FAILURE command in this scenario（）

A.It produces a warning for new failures before advising for CRITICAL and HIGH failures.
B.It ignores new failures and considers the failures listed in the last LIST FAILURE command only.
C.It produces advice only for new failures and the failures listed in the last LIST FAILURE command are ignored
D.It produces an error with recommendation to run the LIST FAILURE command before the ADVISE FAILURE command.

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单项选择题View the Exhibit to examine the error that occurred during the database startup. You opened an RMAN session for the database. To repair the failure， you executed the followingcommand as the first RMAN command： RMAN>REPAIR FAILURE； Which statement describes the consequence of this command（）

A.The command performs the recovery and closes the failure.
B.The command only displays the advice and the RMAN script required for recovery.
C.The command executes the RMAN script to repair the failure and remove the entry from the Automatic Diagnostic Repository （ADR）.
D.The command produces an error because the ADVISE FAILURE command was not executed beforethe REPAIR FAILURE command.

多项选择题WhichtwoactivitiesareNOTsupportedbytheDataRecoveryAdvisor（DRA）（）

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（）

A.failure when no standby database is configured
B.failure because a data file is renamed accidentally
C.failure that requires no archive logs to be applied for recovery
D.failure due to loss of connectivity-for example， an unplugged disk cable

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（）

A.Back up the Flash Recovery Area.
B.Decrease the retention time for the database backup and flashback log files.
C.Manually delete all the archived log files from the Flash Recovery Area by using operating system （OS）commands.
D.Manually delete all the expired backup sets from the Flash Recovery Area by using operating system（OS） commands.

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（）

A.The backup piece is expired as the new backup is available.
B.The backup piece is expired because the operating-system file was not found.
C.The backup piece is expired because the retention period for the backup has expired.
D.The backup piece is expired because the backup set to which it belongs is not complete.