Oracle 1Z0-025 : Backup and Recovery

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Oracle 1Z0-025 Exam Syllabus Topics:

Oracle Backup and Recovery Sample Questions:

1. When would a DBA need to perform a media recovery?

A) When a data file is not synchronized with the other data files, redo logs, and control files.
B) After abnormal termination of client program.
C) After the failure of an Oracle background process.
D) After the database is shutdown by using SHUTDOWN TRANSACTIONAL.
E) After instance failure occurs.

2. What must a DBA do after using NOLOGGING operations on a primary database?

A) Copy all affected data files to the standby server.
B) Switch log files on the primary database.
C) Make sure the database is the only primary database in the current configuration.
D) Manually reapply the changes to the standby database.

3. Which statement about 'cancel-based recovery' is true?

A) Recovery is stopped by entering CANCEL at the recovery prompt.
B) Recovery is stopped by pressing at <CTL-C> the recovery prompt.
C) Recovery is stopped when the specified method of recovery (CANCEL, TIME, or CHNAGE) is completed, and the control files are recovered.
D) Recovery is stopped after the database has committed all changes up to the specified point-in-time.
E) Recovery is stopped when the database has committed all changes up to the specified system change number (SCN).

4. If a DBA restores a read-only tablespace from a backup taken before the tablespace was made read-only, what must the DBA do next?

A) Make the tablespace locally-managed.
B) Recreate the control file.
C) After the tablespace to become read-only.
D) Complete media recovery.

5. What are two causes of a user process failure? (Choose two)

A) There is a logic error in the application.
B) The user issues an abnormal interrupt.
C) The application program receives an addressing exception.
D) There is a head crash on the disk containing a database file.
E) A table is accidentally truncated.

Solutions: