单选题To enable the Database Smart Flash Cache, you configure the following parameters: DB_FLASH_CACHE_FILE = ‘/dev/flash_device_1’ , ‘/dev/flash_device_2’ DB_FLASH_CACHE_SIZE=64G What is the result when you start up the database instance?（）A It results in a

第1题：

You specify a nonzero value for the MEMORY_TARGET initialization parameter，but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance.  Which statement about the result is true？（）

• A、 The database instance starts，and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZE
• B、 The database instance starts，and Oracle automatically tunes memory and allocates 60 percent to the  SGA and 40 percent to the PGA
• C、 The database instance starts，but Automatic Memory Management is disabled
• D、 The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter

第2题：

While setting up an Oracle database for one of your critical applications， you want to ensure that the database is backed up at regular intervals without your intervention.What should you do to achieve the objective？（）

• A、configure the database to run in ARCHIVELOG mode
• B、configure the Flash Recovery Area to enable automatic database backup
• C、schedule the database backup using DBMS_JOB package after creating the database
• D、schedule the database backup using Recovery Manager （RMAN）commands after creating the database
• E、schedule the database backup using Database Configuration Assistant （DBCA）while creating the database

第3题：

第4题：

You have installed two 64G flash devices to support the Database Smart Flash Cache feature on your database server that is running on Oracle Linux. You have set the DB_SMART_FLASH_FILE parameter: DB_FLASH_CACHE_FILE= ‘/dev/flash_device_1 ‘,’ /dev/flash_device_2’ How should the DB_FLASH_CACHE_SIZE be configured to use both devices?（）

• A、Set DB_FLASH_CACHE_SIZE=64G
• B、Set D3_FLASH_CACHE_SIZE=64G, 64G
• C、Set D3_FLASK_CACKE_SI2E=128G
• D、db_flash_cache_SI2E is automatically configured by the instance at startup

第5题：

Identify two situations in which you can use Data Recovery Advisor for recovery.（） 

• A、 The user has dropped an important table that needs to be recovered.
• B、 The database files are corrupted when the database is open.
• C、 You are not able to start up the database instance because the required database files are missing.
• D、 The archived log files are missing for which backup is not available.

第6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7题：

To enable the Database Smart Flash Cache, you configure the following parameters: DB_FLASH_CACHE_FILE = ‘/dev/flash_device_1’ , ‘/dev/flash_device_2’ DB_FLASH_CACHE_SIZE=64G What is the result when you start up the database instance?（）

• A、It results in an error because these parameter settings are invalid.
• B、One 64G flash cache file will be used.
• C、Two 64G flash cache files will be used.
• D、Two 32G flash cache files will be used.

第8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9题：

You find that the database performance degrades while you backup the PROD database using Recovery Manager （RMAN）. The PROD database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason. Which action would you consider to overcome the performance degradation？（）

• A、Configure Java Pool to cache the java objects.
• B、Configure Streams Pool to enable parallel processing.
• C、Increase Shared Pool size to cache more PL/SQL objects.
• D、Increase Database Buffer Cache size to increase cache hits.
• E、Configure Large Pool to be used by RMAN and shared server.
• F、Increase the total System Global Area （SGA） size to increase memory hits.

第10题：

You are managing a single instance Oracle 10g database that utilizes the following parameters：  Which of the following set of commands must you execute to enable Flashback Database？（）

• A、  STARTUP MOUNT EXCLUSIVE  ALTER DATABASE FLASHBACK ON；  ALTER DATABASE OPEN；
• B、  STARTUP MOUNT  ALTER DATABASE FLASHBACK ON；  ALTER DATABASE OPEN RESETLOGS；
• C、  STARTUP MOUNT EXCLUSIVE  ATLER DATABASE ARCHIVELOG；  ALTER DATABASE FLASHBACK ON；  ALTER DATABASE OPEN RESETLOGS；
• D、  STARTUP MOUNT  ALTER DATABASE ARCHIVELOG；  ALTER DATABASE FLASHBACK ON；  ALTER DATABASE OPEN；