Which three statements&#81...

多项选择题X 纠错

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.

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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

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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
D. The database instance status is implicitly changed to RESTRICTED mode and file creations to the flash recovery area are prevented

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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

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多项选择题

Which two statements are true about encrypting RMAN backup？（）

A. The transparent encryption of backups uses the encryption wallet
B. The database uses the same encryption key for every encrypted backup
C. The password encryption of backups only uses the password while creating and restoring backup
D. If transparent encryption is configured， you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups

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单项选择题

Which option is best practice for creating a recovery catalog owner in the catalog database？（）

A. Granting UNLIMITED QUOTA on the SYSTEM tablespace to the owner
B. Allocating the SYSTEM tablespace as the default tablespace and granting the SYSDBA privilege to the user
C. Creating a new tablespace，allocating this as the default， and granting UNLIMITED QUOTA on this tablespace to the user
D. Allocating the SYSAUX tablespace as the default tablespace and granting UNLIMITED QUOTA on this tablespace to the user

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单项选择题

The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file：
ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3；
Which action should you perform immediately after using this command？（）

A. You should perform a log switch
B. You should make a backup of the database
C. You should switch the database to the NONARCHIVELOG mode
D. You should shut down the database instance and perform a complete database recovery

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单项选择题

In Recovery Manager （RMAN）， you are taking image copies of the data files of your production database and rolling them forward at regular intervals. You attempt to restart your database. After a regular maintenance task， you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the data file by using the image copy. Because a media failure caused the data file to be damaged， you want to place the data file in a different location while resto ing the file.
Which option must you consider for this task？（）

A. using only the RMAN SWITCH command to set the new location for the data file
B. placing the database in the MOUNT state for the restore and recovery operations
C. using an RMAN RUN block with the SET NEWNAME and then the SWITCH command
D. configuring two channels： one for the restore operation and the other for the recovery operation

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单项选择题

Which options must you configure while performing an automated Tablespace Point-in-Time Recovery （TSPITR） by using Recovery Manager （RMAN）？（）

A. New channels for restore and recovery tasks
B. New name for the data files of the tablespace
C. Auxiliary name for the data files of the tablespace
D. Auxiliary destinations for an auxiliary set of data files

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多项选择题

Your database is running in ARCHIVELOG mode. One of the data files， USERDATA01.dbf， in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available.
Which three files would be used in the user-managed recovery process performed by the database administrator （DBA）？（）

A. Redo logs
B. Control file
C. The latest backup of only the damaged data file
D. The latest backup of all the data file in the USERS tablespace
E. Temporary files of temporary tablespace
F. Archive Logs since the latest backup to point of failure

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单项选择题

You work with a newly created database. Presently， there is no application load on the database instance. You want to create a baseline for tuning the application， so you decide to collect recommendations that can be implemented to improve application performance.
What action must you take to achieve this？（）

A. Run Segment Advisor
B. Run the SQL Tuning Advisor （STA）
C. Run the Automatic Workload Repository （AWR） report
D. Run the SQL Access Advisor with a hypothetical workload

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