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Oracle Backup and Recovery Sample Questions:

1. Which two tasks can a DBA perform using the export/import facility? (Choose two)

A) Recreate the control file.
B) Archive historical data.
C) Examine log files.
D) Make a logical backup of the rollback segment tablespace.
E) Transport tablespaces between databases.

2. The alert log will never contain information about which database activity?

A) Performing operating system restore of the database files.
B) Changing the database mode from NOARCHIVELOG to ARCHIVELOG
C) Altering the database to take a data file offline.
D) Placing tablespace in end backup mode.

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

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

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

5. A backup file named user01_2.dbf in the '/disk3/backup' directory is no longer
needed and must be deleted. You are using the recovery catalog.
Which set of command must you issue to delete this entry from the recovery
catalog?

A) Rman> allocate channel for delete type * file
Rman> change datafilecopy '/disk3/backup/user01_2.dbf' delete
Rman> release channel;
B) Rman> allocate channel for delete type * file
Rman> change datafilecopy '/disk3/backup/user01_2.dbf'
Rman> release channel;
C) Rman> allocate channel for delete type * disk
Rman> change datafilecopy '/disk3/backup/user01_2.dbf'
Rman> release channel;
D) Rman> allocate channel for delete type * disk
Rman> change datafilecopy '/disk3/backup/user01_2.dbf' delete
Rman> release channel;

Solutions: