单项选择题Which statement about using RMAN stored scripts is true?()

A. To create and execute an RMAN stored script, you must use a recovery catalog.
B. When executing a stored script and a command fails, the remainder of the script is executed, and a message is written to the alert log file.
C. RMAN stored scripts can always be executed against any target database that is registered in the recovery catalog.
D. When you execute a stored script, it always executes using the persistent channel settings previously set with the CONFIGURE command.


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1.多项选择题You have enabled resumable space allocation in your database by setting the RESUMABLE_TIMEOUTparameter set to a nonzero value.Which three statements about resumable space allocation are true? ()(Choose three.)

A. Even with resumable space allocation enabled for your database, you can disable resumable space allocation for a single session.
B. A resumable statement is suspended only if an out of space error occurs.
C. When a resumable statement is suspended, the transaction that contains the statement is also suspended.
D. A resumable statement can only be suspended and resumed once during the execution of the statement.
E. You can query the V$SESSION_WAIT dynamic performance view to identify the statements that are suspended for a session

2.单项选择题

You executed the following command in the Recovery Manager (RMAN):  
RMAN> REPORT NEED BACKUP days 3;  
What is the output of this command?()  

A. A list of files that require a backup within 3 days
B. A list of files requiring more than 3 days of archivelogs to apply
C. A list of files that RMAN recommends be backed up only once in every three days,based on low volatility
D. A list of files for which a backup as already been performed in the last three days and which is  required to be backed up again based on the high number of transactions performed on them

3.单项选择题Which statement about recovering from the loss of a redo log group is true?()

A. If the lost redo log group is ACTIVE, you should first attempt to clear the log file.
B. If the lost redo log group is CURRENT, you must clear the log file.
C. If the lost redo log group is ACTIVE, you must restore, perform cancel-based incomplete recovery, and open the database using the RESETLOGS option.
D. If the lost redo log group is CURRENT, you must restore, perform cancel-based incomplete recovery, and open the database using the RESETLOGS option.

5.多项选择题

You are managing an Oracle Database 11g database with the ASM storage. The database is having big file tablespaces. You want files to open faster and less memory to be used in the shared pool to manage the extent maps. 
What configuration would you effect to achieve your objective?()  

A. Set the ASM compatibility attribute for the ASM disk group to 11.1.0.
B. Set the RDBMS compatibility attribute for the ASM disk group to 11.1.0.
C. Set the COMPATIBLE initialization parameter for the ASM instance to 11.1.0.
D. Set the COMPATIBLE initialization parameter for the database instance to 11.1.0.

6.单项选择题You are tuning RMAN to optimize performance. You want tape I/O to be asynchronous when you perform tape backups.Which action should you take?()

A. Set the BACKUP_TAPE_IO_SLAVES parameter to FALSE
B. Set the BACKUP_TAPE_IO_SLAVES parameter to TRUE
C. Use compression when performing tape backups
D. Configure multiple SBT channels


7.多项选择题

When executing a SQL workload,you choose to generate execution plans only, without collecting execution statistics. 
Which two statements describe the implications of this?()

A. It produces less accurate results of the comparison analysis.
B. It automatically calls the SQL Tuning Advisor for recommendations.
C. It shortens the time of execution and reduces the impact on system resources.
D. Only the changes in the execution plan,and not performance regression,are detected.

8.多项选择题

You execute the following Recovery Manager (RMAN) commands in he following order:  
BACKUP VALIDATE DATABAE RECOVER CORRUPTION LIST;  
Which two tasks are performed by these commands?()  

A. Repair the corrupted blocks. If any. In the backup created
B. Populate VSCOPV_CORRUPTION with names of files that have corrupted blocks
C. Back up the database after checking whether array of the files have corrupted blocks
D. Discover any corrupt blocks that are viewable with the VSDATABASE_BI-OCK_CORBUPTION view
E. Repair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION

9.单项选择题You specify a nonzero value for the MEMORY_TARGET initialization parameter, but do not set thePGA_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

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After you have restored and recovered a database to a new host by using a previously performed Recovery Manager (RMAN) backup, which is the best option you would consider for the new database?()  

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To enable faster incremental backups, you enabled block change tracking for the database. Which two statements are true about the block change tracking file?() 

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