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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 the database is shutdown by using SHUTDOWN TRANSACTIONAL.
C) After instance failure occurs.
D) After abnormal termination of client program.
E) After the failure of an Oracle background process.

2. What is the correct procedure for multiplexing control files?

A) Shut down the database, copy the control file to trace, edit the MULTIPLEX_CONTROL_FILES parameter, and start up the database.
B) Shut down the database, edit the CONTROL_FILES parameter, issue the ALTER DATABASE MULTIPLEX CONTROLFILE command, and start up the database.
C) Shut down the database, rename the control file, edit the CONTROL_FILES parameter, and start up the database.
D) Shut down the database, edit the CONTROL_FILES parameter, copy the control file, and start up the database.

3. What is the advantage of managed recovery mode?

A) During recovery, most common DBA errors can be avoided.
B) The standby database automatically applies the archived redo log when the files become available.
C) Prompts for applying the next available redo logs suppressed.
D) The primary database automatically ships archived redo log files to the standby server.

4. What are two causes of user errors? (Choose two)

A) The operating system crashes.
B) The application program receives an addressing exception.
C) An application file is accidentally deleted.
D) A table is accidentally truncated.
E) There are insufficient privileges.
F) Incorrect data is committed.

5. Which statement about 'time-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 CHANGE)
D) Recovery is stopped after the database has committed all changes up to the specified point of time.
E) Recovery is stopped when the database has committed all changes up to the specified system changes number (SCN).

Solutions: