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

第1题：

You decided to change the location of the flash recovery area. You executed the following command： 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.

第2题：

The database is running in ARCHIVELOG mode. Examine the initialization parameters and theirvalues set to enable archiving on your database server：  LOG_ARCHIVE_FORMAT = arch_%t_%s_%r.arc  LOG_ARCHIVE_DEST_1 = ’LOCATION = /disk1/archive’  DB_RECOVERY_FILE_DEST = ’/u01/oradata’  DB_RECOVERY_FILE_DEST_SIZE = 20G  Which statement is true regarding the archived redo log files（）

• A、It will be created on the local file system.
• B、It will be created only in the Flash Recovery Area.
• C、It will be created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and the defaultlocation $ORACLE_HOME/dbs.
• D、It will be created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and locationspecified by the DB_RECOVERY_FILE_DEST parameter.

第3题：

You have joined a new organization as a Database Administrator. The Security Administrator in your organization has kept human errors， such as erroneously dropping users， tables， and important data， to a minimum by carefully granting only the necessary privileges to each user. As a result of several ongoing transactions within your database， you discover that the flashback logs are rapidly increasing in the flash recovery area. To avoid out-of-space errors， you decide to delete the flashback logs from the flash recovery area. How can you delete the flashback logs from the database if your database is up and running？（）

• A、 Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command and disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.
• B、 Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement while the database is up and running.
• C、 Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command. Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement. Disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.
• D、 Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement. Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command and disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.

第4题：

You enabled the flashback logging feature， but you have not specified the location of the flash recovery area. Which location would be used as the default location for the flash recovery area？（）

• A、 The location used for control files.
• B、 The location used for redo log files.
• C、 The location set by using $ORACLE_BASE
• D、 The location set by using $ORACLE_HOME
• E、 The location set by using CORE_DUMP_DEST
• F、 The location set by using BACKGROUND_DUMP_DEST

第5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6题：

You want to set the following Initialization parameters for your database Instance   LOG_ARCHIVE_DEBT_1 = ，，LOCATION=/disk1/arch LOG_ARCHIVE_DBST_2 = ，，LOCATION=/disk2/arch LOC_ARCHIVB DBST_3 = ，，LOCATION=/disk3/arch LOG_ARCHIVE DBST_ = ，，LOCATION=/disk3/arch   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7题：

The database is running in ARCHIVELOG mode and the FORMAT option is not configured in RMAN for disk backups. You configured the flash recovery area location and size by using the DB_RECOVERY_FILE_DEST and DB_RECOVERY_FILE_DEST_SIZE initialization parameters. Which statement is correct in this scenario？（）

• A、 If the FORMAT option to the RMAN BACKUP command is specified， then RMAN creates backup pieces and image copies in the flash recovery area with names in the Oracle Managed Files （OMF） format.
• B、 If any local destinations for LOG_ARCHIVE_DEST_n are set， then archived redo logs are stored in these destinations as well as in the flash recovery area.
• C、 If the flash recovery area location is configured using the DB_RECOVERY_FILE_DEST initialization parameter， then the RMAN backup of Oracle managed datafiles （OMF） only will go to the flash recovery area by default.
• D、 If no other destination is configured for recovery files， then RMAN places the control file autobackups in the flash recovery area by default.

第8题：

You decided to increase the value for the SHARED_SERVERS parameter by using the following command：  SQL> ALTER SYSTEM SET SHARED_|SERVERS=3 SCOPE=？；  Which three values can be specified for the SCOPE clause？（）

• A、ALL
• B、PFILE
• C、BOTH
• D、NONE
• E、SPFILE
• F、MEMORY
• G、INSTANCE
• H、DATABASE

第9题：

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第13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14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15题：

You database is running an ARCHIVELOG mode. The following parameter are set in your database instance: LOG_ARCHIVE_FORMAT = arch+%t_%r.arc LOG_ARCHIVE_DEST_1 = ‘LOCATION = /disk1/archive’ DB_RECOVERY_FILE_DEST_SIZE = 50G DB_RECOVERY_FILE = ‘/u01/oradata’ Which statement is true about the archived redo log files?（）

• A、They are created only in the location specified by the LOG_ARCHIVE_DEST_1 parameter.
• B、They are created only in the Fast Recovery Area.
• C、They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and in the default location $ORACLE_HOME/dbs/arch.
• D、They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and the location specified by the DB_RECOVERY_FILE_DEST parameter.

第16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17题：

You decided to configure the flash recovery area in your database to centralize the storage of all the recovery files in a certain location on disk. Which two parameters will you specify in the init.ora file？（）

• A、 DB_CREATE_FILE_DEST
• B、 DB_RECOVERY_FILE_DEST
• C、 DB_RECOVERY_FILE_DEST_SIZE
• D、 DB_ONLINE_LOG_DEST_n

第18题：

Which options would you consider while configuring a flash recovery area fast recovery area in 11g Release 2 for your production database that is running in ARCHIVELOG mode？（） 

• A、 Setting the FAST_START_MTTR_TARGET to set the mean time to recover
• B、 Setting the RECOVERY_PARALLELISM parameter to twice the number of CPUs
• C、 Using the DB_RECOVERY_FILE_DEST parameter to set the location for flash recovery area
• D、 Using the DB_RECOVERY_FILE_DEST_SIZE parameter to define the disk space limit for the recovery files created in the flash recovery area

第19题：

ou 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 specie 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.

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