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

第1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2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3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4题：

In which situation would you use static database registration for a listener（）

• A、when multiple databases are to be registered with the listener
• B、when DBAs need to connect remotely to start up the database instance
• C、when users need to connect the database instance using the host naming method
• D、when the database instance that is to be registered with the listener is configured in shared server mode

第5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（）

• A、Multiplex all database files.
• B、Configure the Flash Recovery Area.
• C、Configure the database instance for ARCHIVELOG mode.
• D、Configure the FAST_START_MTTR_TARGET initialization parameter

第6题：

You executed the following query in your database：  FROM V$FLASHBACK_DATABASE_LOG;  What would you determine from the output？（）

• A、the time when the last flashback operation in your database was performed
• B、the time when the first flashback operation in your database was performed
• C、a list of flashback operations performed in your database using SCN and time
• D、the approximate time and the lowest system change number （SCN） to which you can flash back your database

第7题：

You are managing the Oracle database. Which of the following choices correctly identifies when Oracle reads the contents of the init.ora file?（）

• A、When the instance is started 
• B、When the database is mounted 
• C、When the database is opened 
• D、When the database is closed

第8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（）

• A、Multiplex all database files
• B、Configure the Flash Recovery Area.
• C、Configure the database instance for ARCHIVELOG mode.
• D、Configure the FAST_START_MTTR_TARGET initialization parameter.

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第13题：

You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday， you issued the following commands：   CONFIGURE DEFAULT DEVICE TYPE TO sbt；   CONFIGURE BACKUP OPTIMIZATION ON；   CONFIGURE RETENTION POLICY TO REDUNDANCY 3；   From Monday to Saturday， you performed the following actions：   Day                         Action  Monday                BACKUP DATABASE  Tuesday                BACKUP DATABASE  Wednesday              BACKUP DATABASE  Thursday               BACKUP DATABASE  Friday                 BACKUP DATABASE  Saturday               BACKUP DATABASE  How many times will the backup of the USERS tablespace be performed？（）

• A、 The backup will not be performed at all.
• B、 three times
• C、 four times
• D、 six times

第14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15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；

第16题：

Which three actions are required to configure the Flashback Database? （）

• A、set Flash Recovery Area
• B、enable Flashback logging
• C、create FLASHBACK tablespace
• D、start the database in the ARCHIVELOG mode
• E、start the database in the NOARCHIVELOG mode

第17题：

Oracle Grid Infrastructure for a stand-alone server is installed on your production host before installing the Oracle Database server. The database and listener are configured by using Oracle Restart. Examine the following command and its output: $ crsctl config has CRS-4622: Oracle High Availability Services auto start is enabled. What does this imply?（）

• A、When you start an instance on a high with SQL *Plus dependent listeners and ASM disk groups are automatically started.
• B、When a database instance is started by using the SRVCTL utility and listener startup fails, the instance is still started.
• C、When a database is created by using SQL* Plus, it is automatically added to the Oracle Restart configuration.
• D、When you create a database service by modifying the SERVICE_NAMES initialization parameter, it is automatically added to the Oracle Restart configuration.

第18题：

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

• 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19题：

You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager （RMAN）. The Certkiller 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20题：

You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named Dworks in the instance. Now you get a report from users saying that DB1 meets deadlock problems. As the technical support, you have to capture the deadlock information to the SQL Server error log. What should you do?（）  

• A、For the AdventureWorks database, enable Server Auditing 
• B、First you should set the appropriate trace flags as a startup parameter, and then restart the SQL Server instance 
• C、You should configure the data collector and make it capture the deadlock graphs
• D、You should configure a SQL Profiler trace, and make it capture the deadlock graphs

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