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Oracle 1Z0-025 Exam Syllabus Topics:

Oracle Backup and Recovery Sample Questions:

1. In which mode is 'Closed database backups' the only backup option available?

A) READ ONLY mode.
B) READ WRITE mode.
C) ARCHIVELOG mode.
D) NOARCHIVELOG mode.

2. The instance crashed after the current online redo-log becomes corrupt. Which action can the DBA take to open the database?

A) Skip recovery and open the database with the RESETLOGS option.
B) Perform a time-based recovery that stops at the time that the current online redo-log became corrupt.
C) Perform a complete recovery of the database.
D) Recover the SYSTEM tablespace.
E) Perform a tablespace recovery.

3. Which two statements about the LogMiner utility are true? (Choose two)

A) It uses the information in the directory file to obtain the transaction system change number.
B) It translates the contents of the redo-log files into SQL undo commands to roll back the original operations.
C) It can only analyze and process achieved redo-log files.
D) It is implemented as a PL/SQL/SQL package.
E) The results of the LogMiner analysis are stored in an operating system text file.

4. Your database is in NOARCHIVELOG mode, and a media failure occurs. Which files do you need to restore to minimize data log?

A) All database files that are consistent from the same backup set if a log switch has occurred since the last backup.
B) All data files that can be a mix from any backup set if a log switch has occurred since the last backup (You can take them from different backup sets if you like)
C) The damaged files only.
D) The damaged files only if no log switch has occurred once the last backup.

5. Your database is in ARCHIVELOG mode, and you want to recover from a media failure taken up to the time of failure. Which files do you need to restore?

A) The damaged files from any valid backup.
B) The damaged files and the redo log files from a backup taken after the database was set in ARCHIVELOG mode.
C) The damaged files from a backup taken after the database was set in ARCHIVELOG mode.
D) The damaged files, the redo-log files, and the control files from a backup taken after the database was set in ARCHIVELOG mode.

Solutions: