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Oracle Backup and Recovery Sample Questions:

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

A) The damaged files only.
B) The damaged files only if no log switch has occurred once the last backup.
C) All database files that are consistent from the same backup set if a log switch has occurred since the last backup.
D) 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)

2. When creating a standby database, which files must be transferred to the standby server?

A) The standby control file, the database backup, and the archived redo-log files.
B) The database backup and the online redo-log files.
C) The database backup and the archived redo-log files.
D) The standby control file, the database backup, and the online redo-log files.

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

4. Which activity would not cause an additional generation of redo?

A) Closed database backup.
B) Changing the NOLOGGING mode on frequently updated tables to LOGGING.
C) Increased transactional activity in the database.
D) Open database backup.

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

A) It can only analyze and process achieved redo-log files.
B) It translates the contents of the redo-log files into SQL undo commands to roll back the original operations.
C) It uses the information in the directory file to obtain the transaction system change number.
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.

Solutions: