单选题You want to use the automatic management of backup and recovery operations features for your database. Which configuration must you set？（）AEnable the flash recovery area and specify it as the archived redo log destination.BDisable the flash recovery ar

第1题：

You want to use the automatic management of backup and recovery operations features for your database.Which configuration must you set?（）

• A、Enable the flash recovery area and specify it as the archived redo log destination.
• B、Disable the flash recovery area and start the database instance in ARCHIVELOG mode.
• C、Enable the flash recovery area but do not specify it as the archived redo log destination.
• D、Disable the flash recovery area and start the database instance in NOARCHIVELOG mode

第2题：

You configured the flash recovery area in the database. Which two files would you expect to find in the flash recovery area？（）

• A、 backup pieces
• B、 copies of all the parameter files
• C、 trace file generated using BACKUP CONTROLFILE TO TRACE
• D、 control file autobackups

第3题：

第4题：

You are working as a DBA in an organization. The flash recovery area files are created in ’+disk1’. You want to create new flash recovery area files in the ’+disk2’ location. The new location of the flash recovery area files should be written in the control file and the spfile.Which command will you issue to change the location of the flash recovery area files？（）  

• A、 ALTER SYSTEM SET DB_RECOVERY_FILE_DEST = ’+disk2’ ；
• B、 ALTER SYSTEM SET DB_RECOVER_FILE_DEST = ’+disk2’ SCOPE = BOTH；
• C、 ALTER SYSTEM SET DB_CREATE_FILE_DEST = ’+disk2’；
• D、 ALTER SYSTEM SET DB_CREATE_ONLINE_LOG_DEST_n = ’+disk2’；

第5题：

You are trying to recover your database. During the recovery process， you receive the following error：   ORA-00279： change 5033391 generated at 08/17/2008 06：37：40 needed for thread 1ORA-00289： suggestion ：  /oracle01/flash_recovery_area/ORCL/archivelog/2008_08_17 /o1_mf_1_11_%u_.arc  ORA-00280： change 5033391 for thread 1 is in sequence #11 ORA-00278： log  file ，，/oracle01/flash_recovery_area/ORCL/archivelog/2008_08_17  /o1_mf_1_10_4bj6wnqm_.arc no longer needed for this recovery Specify log： {=suggested | filename | AUTO | CANCEL} ORA-00308： cannot open archived log  ，，/oracle01/flash_recovery_area/ORCL/archivelog/2008_08_17 /o1_mf_1_11_%u_.arc  ORA-27037： unable to obtain file status Linux Error： 2： No such file or directory Additional information： 3   How do you respond to this error？（）

• A、 Restore the archived redo log that is missing and attempt recovery again.
• B、 Recovery is complete and you can open the database.
• C、 Recovery needs redo that is not available in any archived redo log. Attempt to apply an online redo log if available.
• D、 Recover the entire database and apply all archived redo logs again.
• E、 Recovery is not possible because an archived redo log has been lost.

第6题：

You are using the flash recovery area (fast recovery area in 11g Release 2) to store backup related files in your database. After regular monitoring of space usage in the Mash recovery area. You realize that the flash recovery area is jetting filled up very fast and it is running out of space. Your database flash recovery area is low on space and you have no more room on disk. Proactively, which two options could you use to make more space available in the flash recovery？（）

• A、Change the RMAN archived log deletion policy
• B、Use the RMAN CROSSCHECK command to reclaim the archived log space
• C、Change the RMAN retention policy to retain backups for a shorter period of time
• D、Use OS command to move files from the flash recovery area to some other location

第7题：

You want to use the automatic management of backup and recovery operations features for your database. Which configuration must you set？（）

• A、 Enable the flash recovery area and specify it as the archived redo log destination.
• B、 Disable the flash recovery area and start the database instance in ARCHIVELOG mode.
• C、 Enable the flash recovery area but do not specify it as the archived redo log destination. 
• D、 Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.

第8题：

第9题：

You want to set the following initialization parameters for your database instance: LOG_ARCHIVE_DEST_1 = 'LOCATION=/disk1/arch' LOG_ARCHIVE_DEST_2 = 'LOCATION=/disk2/arch' LOG_ARCHIVE_DEST_3 = 'LOACTION=/disk3/arch' LOG_ARCHIVE_DEST_4 = 'LOCATION=/disk4/arch MANDATORY' Identify the statement that correctly describes this setting.（）

• A、The MANDATORY location must be a flash recovery area.
• B、The optional destinations may not use the flash recovery area.
• C、This setting is not allowed because the first destination is not set as MANDATORY.
• D、The online redo log file is not allowed to be overwritten if the archived log cannot be created in the fourth destination.

第10题：

You have configured the flash recovery area to store online redo log files， control files， archived redo logs and RMAN backups. Which of the following files can you successfully delete from the flash recovery area if you want to reclaim the space within it？（）

• A、 multiplexed control files
• B、 RMAN obsolete backups
• C、 multiplexed online redo log files
• D、 archived redo logs that have not been copied to tape