多选题In your production database， you observe that users’ transactions are consuming a lot of resources and you plan to impose resource restrictions by using Resource Manager.  For which three resources can you enable usage restrictions by using Resource Ma

第1题：

第2题：

You realize that the control file is damaged in your production database.After restoring the control file from autobackup, what is the next step that you must do to proceed with the database recovery?（）

• A、Mount the database
• B、Open the database in NORMAL mode
• C、Open the database in RESTRICTED mode
• D、Open the database with the RESETLOGS option

第3题：

第4题：

In your production database， you observe that users’ transactions are consuming a lot of resources and you plan to impose resource restrictions by using Resource Manager.  For which three resources can you enable usage restrictions by using Resource Manager？（）

• A、CPU usage
• B、degree of parallelism
• C、number of open cursors
• D、number of sorts performed
• E、idle time for blocking sessions
• F、number of disk I/O operations performed
• G、number of memory I/O operations performed

第5题：

You observe that in your PROD database， customer information is being modified by some unauthorized users. You want to keep track of all of the transactions happening on the table using PL/SQL. Which type of PL/SQL subprogram or construct would you use to accomplish this task？（）

• A、functions
• B、packages
• C、procedures
• D、database triggers
• E、anonymous PL/SQL block

第6题：

You are maintaining your production database in Oracle10g. You want the circular reuse records in the control file of the target database to be reused as required.   Which value will you set for the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter？（）

• A、 0
• B、 1
• C、 NONE
• D、 DEFAULT

第7题：

Your production database uses an Automatic Storage Management （ASM） instance to manage its files.  You want to add a new disk group to the ASM instance to manage the increased data load.  What action would you perform to include the new disk group in the ASM instance without causing any impact on the currently connected users？（）

• A、mount the new disk group in the ASM instance
• B、restart the ASM instance and the production database instance
• C、register the new disk groups in the production database instance
• D、restart the ASM instance without restarting the production database instance
• E、include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance

第8题：

第9题：

You work as a database administrator at Certkiller .com. In your production database there is a job， CALC_STAT， which has been scheduled to run every Friday at 5.00 p.m. CALC_STATupdates the optimizer statistics for the objects owned by the APPSschema. You want the task to be generic， thereby allowing users to modify the attributes of the task at run time without affecting the original task.Which component of Oracle Scheduler must you define to achieve this？（）

• A、 Window
• B、 Program
• C、 Job class
• D、 Window group

第10题：

You work as a database administrator for Supportcenter.cn. In your production database， the size of Database Buffer Cache needs to be increased immediately for the current as well as future instances of the database. The Oracle instance has been configured to accommodate any changes in the size of the memory structures. At this is production database， you want to accomplish this task with no impact on the user’s connections. Which activity must you have completed before accomplishing this task？（）

• A、You must have started the database instance in restricted mode.
• B、You must have started the database instance inNORMALmode.
• C、You must have started the database instance with server parameter file.
• D、You must have started the database instance but must not have mounted.
• E、You must have started the database instance but must not have opened.