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Oracle Backup and Recovery Sample Questions:

1. Which RECOVER command is appropriate when, while recovering a lost data file, a DBA discovers that a required, archived redo-log is corrupted?

A) RECOVER DATABASE UNTIL CANCEL;
B) ALTER TABLESPACE system RECOVER;
C) RECOVER DATABASE USING BACKUP CONTROLFILE;
D) RECOVER TABLESPACE system UNTIL CANCEL;
E) RECOVER DATABASE UNTIL MISSING REDOLOG;

2. Before performing a closed database backup, which three commands can be used to shut down the database? (Choose three)

A) SHUTDOWN TRANSACTIONAL.
B) SHUTDOWN ABORT.
C) SHUTDOWN NORMAL.
D) SHUTDOWN IMMEDIATE.

3. Which statement concerning archiving is true?

A) Archiving copies the data files to their backup destinations.
B) Archiving occurs during a checkpoint.
C) Archiving can be enabled through recovery manager commands.
D) Archive logs can be written to multiple destinations.
E) Backups are not required when archiving is enabled.

4. Which technique does Oracle use to perform full backups of data files?

A) The server process reads the entire file and skips blocks assigned its temporary segments.
B) The server process reads the entire file and skips blocks that currently are not being used.
C) The server process reads and backs up the entire file.
D) The server process reads the entire file and skips blocks that have never been used.
E) The server process reads the entire file and skips blocks that are unchanged from the last backup.

5. Which statement about an open database backup is NOT true?

A) All the database files copied are consistent to a point-in-time.
B) The database is available for use during backups.
C) The database must be available in ARCHIVELOG mode.
D) An operating system backup of the database files is required.

Solutions: