多选题In Recovery Manager （RMAN）， you have set control file autobackup to ON by using the following command：  CONFIGURE CONTROLFILE AUTOBACKUP ON;  Which two events would cause the control file to be backed up automatically？ （）Aa tablespace is taken offlineB

第1题：

You are connected to Recovery Manager （RMAN） without a recovery catalog. There is no copy of the control file available. You want to restore the control file from an autobackup. To retrieve the autobackup， you need the database ID （DBID）. In which two sources would you find the DBID？ （）

• A、 the alert log file
• B、 the server parameter file
• C、 the formatted name of a control file autobackup
• D、 an RMAN session log file
• E、 the trace file

第2题：

You executed the following command in Recovery Manager （RMAN）：  RMAN> RESTORE CONTROLFILE；  Which operation must you perform before this command is executed？（） 

• A、back up the control file to trace
• B、bring database to the MOUNT state
• C、open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database
• D、set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

第3题：

In Recovery Manager （RMAN）， you have set control file autobackup to ON by using the following command：  CONFIGURE CONTROLFILE AUTOBACKUP ON;  Which two events would cause the control file to be backed up automatically？ （）

• A、a tablespace is taken offline
• B、the database instance is restarted
• C、a new data file is added to an existing tablespace
• D、a successful backup is recorded in the RMAN repository
• E、the RMAN connection is disconnected from the target database

第4题：

You used the following command in Recovery Manager （RMAN） as part of the recovery process： RESTORE CONTROLFILE FROM AUTOBACKUP；   How does RMAN find the control file autobackup？（）

• A、 By using the trace file.
• B、 By using the alert log file.
• C、 By using the database ID
• D、 By using the server parameter file.
• E、 By using the V$CONTROLFILE view.
• F、 By using the autobackup format configuration setting.

第5题：

Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt：   RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON；   After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）

• A、 when you change the name of a datafile
• B、 when you drop a table from the database
• C、 when you take an export of the database
• D、 when you back up the database using OS utilities
• E、 when you issue an ALTER SYSTEM SWITCH LOGFILE statement
• F、 when you issue a BACKUP command from inside the RMAN run block

第6题：

What command would you issue to enable automated backups of control files？（）  

• A、 alter database controlfile autobackup on
• B、 alter system controlfile autobackup on
• C、 configure controlfile autobackup on
• D、 enable controlfile autobackup

第7题：

You are connected to Recovery Manager （RMAN） without a recovery catalog. There is no copy of the control file available. You want to restore the control file from an autobackup. To retrieve the autobackup，you need the database ID （DBID）.  In which two sources would you find the DBID？ （）

• A、the trace file
• B、the alert log file
• C、an RMAN session log file
• D、the server parameter file
• E、the formatted name of a control file autobackup

第8题：

Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt：     RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF；   RMAN> BACKUP DATABASE；   Which files from the database will be backed up as a result of this BACKUP command？（）

• A、 control file
• B、 all datafiles
• C、 password file
• D、 online redo log file
• E、 archive redo log file
• F、 server parameter file
• G、 only the SYSTEM datafile

第9题：

You issued the following RMAN command：  RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON；     What is NOT an impact of using the above command？（）

• A、 When a successful backup is recorded in the RMAN repository， then a backup of the current control file is performed.
• B、 When a structural change is made to the database， then a backup of the current control file is performed.
• C、 When a successful backup is performed in the RMAN repository， then a backup of the spfile is performed.
• D、 When a structural change is made to the database， then a backup of the alert log file will be performed.

第10题：

In your database， all the tablespaces are locally managed. You started Recovery Manager （RMAN） using recovery catalog and restored the control file by using the following command： RMAN> RESTORE CONTROLFILE;  Which two operations do you need to perform after restoring the control file from backup？（）

• A、shut down and restart the instance
• B、add new tempfiles to the temporary tablespaces after recovery
• C、perform a media recovery and open the database with the RESETLOGS option
• D、perform a media recovery and bring the database to NOARCHIVELOG mode