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Oracle Backup and Recovery Sample Questions:

1. What is the function of ARCn in instance recovery?

A) It writes data to the online redo log files.
B) It frees resources held by user processes.
C) The archive process does not take part in instance recovery.
D) It writes dirty buffers from the buffer cache to the data files.
E) It writes data to the archive log files.
F) It synchronizes data file header and control files.

2. 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) The primary database automatically ships archived redo log files to the standby server.
D) Prompts for applying the next available redo logs suppressed.

3. What is recommended initial size for a tablespace containing an RMAN recovery catalog?

A) 10% of size of the target database.
B) 10M
C) 100M
D) 20M

4. Which statement about 'time-based recovery' is true?

A) Recovery is stopped by pressing at <CTL-C> the recovery prompt.
B) Recovery is stopped when the database has committed all changes up to the specified system changes number (SCN).
C) Recovery is stopped by entering CANCEL at the recovery prompt.
D) Recovery is stopped after the database has committed all changes up to the specified point of time.
E) Recovery is stopped when the specified method of recovery (CANCEL, TIME, or CHANGE)

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

Solutions: