多项选择题

Which three statements are true about persistent configuration?（）

A. A user cannot set privileges on the persistent lightweight jobs
B. Persistent lightweight jobs generate a large amount of metadata
C. It is possible to create fully self-contained persistent lightweight jobs
D. The use of a template is mandatory to create persistent lightweight jobs
E. Persistent lightweight jobs are useful when users need to create a large number of jobs in a short time

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多项选择题Which three statements are true about windows?（）

A. Only one window can be open at any given time
B. Consumer groups are associated with windows
C. Windows work with job classes to control resource allocation
D. The database service name must be provided during windows creation
E. Windows can automatically start job or change resource allocation among jobs for various time periods.

多项选择题Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.（）

A. Backup retention policy
B. Default backup device type
C. Default destinations for backups
D. Multiple backup device types for single backup
E. Default section size for backups

多项选择题While Monitoring the space usage in your database that is in ARCHIVELOG mode you observed that the flash recovery area does not have enough free space to accommodate any more files and you do not have necessary permissions to add more space to it. Identify the two events that can occur in the event of a log switch?（）

A.An entry is created in the alert log file and the database instance continues to function normally
B.The log switch hangs occur for transactions until free space is available in the flash recovery area
C.The Oracle database server deletes a file that is on the obsolete file list to make free space in the flash recovery area Oracle
D.The database instance status is implicitly changed to RESTRICTED mode and file creations to the flash recovery area are prevented

单项选择题Your database instance is running.You are not able to access Oracle Enterprise Manager Database Control because the listener is not started.Which tool or utility would you use to start the listener?（）

A. Oracle Net Manager
B. Listener Control utility
C. Database Configuration Assistant
D. Oracle Net Configuration Assistant

多项选择题Which three statements must be true before transporting a tablespace from a database on one platform to a database on another platform?（）

A. Both source and target database must be the same character set
B. Both source and target database must have the same endian format
C. The COMPATIBLE parameter must be the same in the source and target databases.
D. The minimum compatibility level for both the source and target database must be 10.0.0.
E. All read-only and offline data files that belong to the tablespace to be transported must be platform aware.