单选题You are maintaining an OLTP database in Oracle10g. You have configured the Flash Recovery Area in your database. The Flash Recovery Area is full because you have set the retention policy to NONE. What will you do to resolve the problem?()A Increase the value of the FAST_START_MTTR_TARGET initialization parameter.B Increase the value of the DB_RECOVERY_FILE_DEST_SIZE parameter.C Increase the value of the PGA_AGGREGATE_TARGET initialization parameter.D Increase the value of the SGA_TARGET initialization parameter.

单选题
You are maintaining an OLTP database in Oracle10g. You have configured the Flash Recovery Area in your database. The Flash Recovery Area is full because you have set the retention policy to NONE. What will you do to resolve the problem?()
A

 Increase the value of the FAST_START_MTTR_TARGET initialization parameter.

B

 Increase the value of the DB_RECOVERY_FILE_DEST_SIZE parameter.

C

 Increase the value of the PGA_AGGREGATE_TARGET initialization parameter.

D

 Increase the value of the SGA_TARGET initialization parameter.


参考解析

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While Monitoring the space usage in your database that is in ARCHIVELOG mode you observed that the flash recovery area does not have enough free space to accommodate any more files and you do not have necessary permissions to add more space to it. Identify the two events that can occur in the event of a log switch?()A、An entry is created in the alert log file and the database instance continues to function normallyB、The log switch hangs occur for transactions until free space is available in the flash recovery areaC、The Oracle database server deletes a file that is on the obsolete file list to make free space in the flash recovery area OracleD、The database instance statusis implicitly changed to RESTRICTED mode and file creations to the flash recovery area are prevented

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单选题You decided to change the location of the flash recovery area. You executed the following command: Which statement is true?()AThe location can be changed only if the flash recovery area is empty.BAfter executing the command, all new flash recovery area files will be created in the new location.CThe command will generate an error because you cannot change the flash recovery area while the database is open.DAll the existing files in the flash recovery area will be moved to the new location, and all new Flash Recovery Area files will be created in the new location.

多选题Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace()AThe retention period to support flashbackBThe expected length of the longest-running queryCThe number of undo tablespaces in the databaseDThe size of the Flash Recovery Area for the database instance

单选题You are managing an Oracle Database 11g database. You want to ensure the recovery of thedatabase to the point of failure.  Which configuration will you do to accomplish the task()AMultiplex all database filesBConfigure the Flash Recovery Area.CConfigure the database instance for ARCHIVELOG mode.DConfigure the FAST_START_MTTR_TARGET initialization parameter.

多选题You are maintaining a database that is in ARCHIVELOG mode. You have configured the flash recovery area in your database. The database is in MOUNT EXCLUSIVE mode, and you want to configure the Flashback Database feature. Which two options are NOT required to configure the Flashback Database feature? ()AOpen the database in read-only mode.BSet the retention target with the DB_FLASHBACK_RETENTION_TARGET initialization parameter.CEnable the block change tracking feature.DExecute the ALTER DATABASE FLASHBACK ON statement.

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 area and start the database instance in ARCHIVELOG mode.CEnable the flash recovery area but do not specify it as the archived redo log destination.DDisable the flash recovery area and start the database instance in NOARCHIVELOG mode

单选题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.

单选题You are managing an Oracle Database 11g database. You want to ensure the recovery of the database to thepoint of failure. Which configuration will you do to accomplish the task()AMultiplex all database files.BConfigure the Flash Recovery Area.CConfigure the database instance for ARCHIVELOG mode.DConfigure the FAST_START_MTTR_TARGET initialization parameter

单选题You decided to change the location of the flash recovery area. You executed the following command:   ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’+disk1’ SCOPE=BOTH SID=’*’;   Which statement is true?()A The location can be changed only if the flash recovery area is empty.B After executing the command, all new flash recovery area files will be created in the new location.C The command will generate an error because you cannot change the flash recovery area while the database is open.D All the existing files in the flash recovery area will be moved to the new location and all new Flash Recovery Area files will be created in the new location.

多选题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()ABack up the Flash Recovery Area.BDecrease the retention time for the database backup and flashback log files.CManually delete all the archived log files from the Flash Recovery Area by using operating system (OS)commands.DManually delete all the expired backup sets from the Flash Recovery Area by using operating system(OS) commands.