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 requir

第1题：

You configured the Flash Recovery Area （FRA） for your database. The database instance is running inARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area.  Which twofiles are removed automatically if the space is required in the FRA as per the retention policy（）

• A、Flashback log files
• B、Backups that have become obsolete
• C、User managed backups of the data files and control files
• D、Archived redo log files that have multiple copies in a different archive location and not backed up

第2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3题：

You are working on an Oracle Database 10g database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true？ （）

• A、 Flashback logs are not archived.
• B、 Flashback logs are maintained in redo log files.
• C、 Flashback logs are maintained in the Flash Recovery Area.
• D、 Flashback logs are used to maintain Flashback Database related errors.
• E、 Flashback logs need to be cleared manually after you disable Flashback Database.

第4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5题：

Which two statements are true regarding the database in ARCHIVELOG mode？（）

• A、You have to shut down the database to perform the backups.
• B、Archiving information is written to the data files and redo log files.
• C、You can perform complete database backups without closing the database.
• D、Online redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.
• E、All the previous database backups become invalid after you configure the database to ARCHIVELOG mode.

第6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：

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？ （）

• A、 Open the database in read-only mode.
• B、 Set the retention target with the DB_FLASHBACK_RETENTION_TARGET initialization parameter.
• C、 Enable the block change tracking feature.
• D、 Execute the ALTER DATABASE FLASHBACK ON statement.

第9题：

You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOGmode.  Which two statements are true in this scenario（）

• A、You must shut down the database instance to perform the backups.
• B、You must configure the Flash Recovery Area （FRA） for the database.
• C、You can perform complete database backups without closing the database.
• D、All the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.

第10题：

You are managing an Oracle Database 11g database. You configured the database to run inARCHIVELOG mode.  Which two statements are true in this scenario（）

• A、You must shut down the database instance to perform the backups.
• B、You must configure the Flash Recovery Area （FRA） for the database.
• C、You can perform complete database backups without closing the database.
• D、All the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.