单选题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

第1题：

While setting up the threshold for tablespace space usage metrics for one of your tablespaces， you define the critical threshold as 60% and warning threshold as 75%. What would be the result of this setting？（）

• A、 It would result in an error because the warning threshold cannot be more than the critical threshold.
• B、 The warning threshold is ignored and alerts would be generated when space usage exceeds the critical threshold.
• C、 The critical threshold is ignored and alerts would be generated when space usage exceeds the warning threshold.
• D、 Both threshold values are used and alerts are generated when space usage exceeds the respective threshold values.

第2题：

Which of the following tasks does the tool Incident Packaging Service （IPS） perform？（）  

• A、 Cleans up the ADR by deleting files not associated with an incident uploaded to Oracle Support.
• B、 Identifies all files associated with a critical error and adds them to a zip file to be sent to Oracle Support.
• C、 Automatically opens a Service Request with Oracle Support for each critical error and sends all relevant files.
• D、 Displays a high-level view of critical errors on the database home page.

第3题：

Which setting enables the baselines by default in Oracle Database 11g?（）

• A、setting the STATISTICS_LEVEL parameter to TYPICAL
• B、adding filters to the Automatic Database Diagnostic Monitor (ADDM)
• C、enabling Automated Maintenance Task using Oracle Enterprise Manager
• D、setting the OPTIMIZER_USE_PENDING_STATISTICS parameter to TRUE

第4题：

While planning to manage more than one database in your system， you perform the following activities：  1. Organize different categories of files into independent subdirectories.  2. Use consistent naming convention for database files.  3. Separate administrative information pertaining to each database.  Which option corresponds to the type of activities performed by you？（）

• A、Oracle Managed Files
• B、Oracle Grid Architecture
• C、Optimal Flexible Architecture
• D、Oracle database architecture

第5题：

You are maintaining your database in Oracle10g. You set the value of the UNDO_RETENTION initialization parameter to zero in the initialization parameter file. What will be the impact of specifying this setting？（）  

• A、 The database will not start.
• B、 The database will start but will not retain the undo data in the undo segment.
• C、 The database will start， and the undo segment will contain the undo data for at least one hour.
• D、 The database will start， and the undo segment will retain the undo data for at least 15 minutes.

第6题：

Your boss at Supportcenter.cn wants you to clarify Oracle 10g. Which condition in your database forces you to perform only consistent backups？（）

• A、The database is in mount state.
• B、One of the tablespaces is offline.
• C、One of the tablespaces is read only.
• D、The database operates in ARCHIEVELOG mode. 
• E、The database operates in NOARCHIEVELOG mode.

第7题：

You are using flat files as the data source for one of your data warehousing applications. To optimize the application performance， you plan to move the data from the flat files to clustered tables in an Oracle database.While migrating the data， you want to have minimal impact on the database performance and optimize the dataload operation.  Which method would you use to load data into the Oracle database（）

• A、Use the external table population.
• B、Use the Oracle Data Pump export and import utility.
• C、Use the conventional path data load of the SQL*Loader utility.
• D、Use the INSERT INTO...SELECT command to load the data

第8题：

You have two databases， FINDB and PAYDB， on single operating system and using Optimal Flexible architecture （OFA）. FINDB is functional and is currently being accessed by the users. While starting up the instance for the PAYDB database you get the following error：  ORA-01081： cannot start - already running ORACLE - shut it down first  Which environmental variable would you set before starting up the PAYDB database to overcome this error？（）

• A、ORA_PATH
• B、ORACLE_SID
• C、ORACLE_BASE
• D、ORACLE_HOME
• E、LD_LIBRARY_PATH

第9题：

You work as a database administrator for Supportcenter.cn. In your Oracle database 10g installation you have set ORACLE_BASE to /u01/app/oracle. Which objective will be achieved by this setting？（）

• A、The Oracle kernel will be placed in this location.
• B、The Oracle software will be placed in this location.
• C、The server parameter file （SPFILE） will be placed in this location.
• D、The database files will be placed in this location， if not specified explicitly.
• E、The location will be considered for the base of Oracle Managed Files （OMF）.
• F、The location will be considered for the base of Optimal Flexible Architecture （OFA）.

第10题：

You are maintaining your database in Oracle10g. While performing an incremental backup of the database， you want to back uponly those blocks that have changed since the last backup. Which file will you create to increase the performance of the backup operation while performing the incremental backup of the database？（）

• A、 redo log files
• B、 password file
• C、 control file
• D、 change tracking file