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Oracle 1Z0-025 Exam Syllabus Topics:

Oracle Backup and Recovery Sample Questions:

Question 1

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

Question 2

What is the effect of activating a standby database?

A. The primary database becomes a standby database.
B. The remaining redo-log files are copied from the primary database and applied.
C. The standby database becomes the primary database.
D. The primary database is deactivated to avoid conflicts.

Question 3

In which two situations would you have to apply redo information to a read-only tablespace? (Choose two)

A. When the tablespace being recovered is read-only and was read-only when the last backup occurred.
B. When the tablespace being recovered is read-only, but was writeable when the last backup occurred.
C. When the tablespace being recovered has always been writeable.
D. When the tablespace being recovered is writeable, but was read-only when the last backup occurred.
E. When the tablespace being recovered is unknown to the control file.

Question 4

Your database is configured in ARCHIVELOG mode. Which three types of backups can be performed? (Choose three)

A. Online control file backups the ALTER DATABASE BACKUP CONTROLFILE command.
B. Operating system backups when the database is closed.
C. Online control file backups using the ALTER CONTROLFILE BACKUP command.
D. Online tablespace backups using the ALTER DATABASE BACKUP CONTROLFILE command.
E. Opened database backups.

Question 5

What is the difference between using NOLOGGING operations in a single database environment and a standby database environment?

A. NOLOGGING operations can be used on the standby database, but not on the primary database.
B. The standby database becomes unavailable after a NOLOGGING operation has been used on the primary database.
C. The affected data file needs to be copied from the primary to the standby server.
D. NOLOGGING operations are not allowed when using a standby database.

Solutions: