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Oracle Backup and Recovery Sample Questions:

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

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

2. When configuring a database in ARCHIVELOG mode and enabling automatic archiving, the database must be shut down and opened in the MOUNT stage. Which three options can be used to do this? (Choose three)

A) SHUTDOWN NORMAL AND STARTUP MOUNT
B) SHUTDOWN ABORT AND STARTUP MOUNT
C) STARTUP FORCE MOUNT
D) SHUTDOWN IMMEDIATE AND STARTUP MOUNT
E) SHUTDOWN IMMEDIATE AND STARTUP
F) STARTUP TRANSACTIONAL MOUNT
G) SHUTDOWN TRANSACTIONAL AND STARTUP MOUNT

3. What are benefits of putting the database in ARCHIVELOG mode? (Choose two)

A) All pending transactions are committed.
B) The database can be backed up while online.
C) Checksums are performing on all archived files.
D) Backups are done automatically.
E) It guarantees recovery to the time of failure.

4. 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 complete recovery of the database.
C) Recover the SYSTEM tablespace.
D) Perform a time-based recovery that stops at the time that the current online redo-log became corrupt.
E) Perform a tablespace recovery.

5. What is the function of SMON in instance recovery?

A) It writes dirty buffers from the buffer cache to the data files.
B) It writes data to the archive log files.
C) It frees resources held by user processes.
D) It writes data to the online redo log files.
E) It synchronizes data file header and control files.
F) It roles forward by applying changes in the redo log.

Solutions: