多选题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?()ADB_CREATE_FILE_DESTBDB_RECOVERY_FILE_DESTCDB_RECOVERY_FILE_DEST_SIZEDDB_ONLINE_LOG_DEST_n

多选题
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


参考解析

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多选题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?()AAn entry is created in the alert log file and the database instance continues to function normallyBThe log switch hangs occur for transactions until free space is available in the flash recovery areaCThe Oracle database server deletes a file that is on the obsolete file list to make free space in the flash recovery areaDThe database instance status is implicitly changed to RESTRICTED mode and file creations to the flash recovery area are prevented

单选题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’;

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.

多选题You configured the flash recovery area in the database. Which two files would you expect to find in the flash recovery area? ()Abackup piecesBcontrol file autobackupsCcopies of all the parameter filesDtrace file generated using BACKUP CONTROLFILE TO TRACE

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.

多选题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?()ASetting the FAST_START_MTTR_TARGET to set the mean time to recoverBSetting the RECOVERY_PARALLELISM parameter to twice the number of CPUsCUsing the DB_RECOVERY_FILE_DEST parameter to set the location for flash recovery areaDUsing the DB_RECOVERY_FILE_DEST_SIZE parameter to define the disk space limit for the recovery files created in the flash recovery area

多选题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?()AChange the RMAN archived log deletion policyBUse the RMAN CROSSCHECK command to reclaim the archived log spaceCChange the RMAN retention policy to retain backups for a shorter period of timeDUse OS command to move files from the flash recovery area to some other location