Oracle Exam 1Z0-066 Topic 6 Question 29 Discussion

Actual exam question for Oracle's 1Z0-066 exam

Question #: 29
Topic #: 6

Which three types of backups taken in which situations may be used to perform restore operations to a logical standby database in a Data Guard environment? (Choose three.)

Abackups of data files taken on the primary database if connected to the recovery catalog where the logical standby database is registered

Bbackups of data files taken on the standby database if connected to the recovery catalog where the logical standby database is registered

Cbackups of control files taken on the primary database if connected to the recovery catalog where the logical standby database is registered

Dbackups of data files taken on the logical standby database, if not connected to a recovery catalog

Ebackups of control files taken on the logical standby database if not connected to a recovery catalog

Show Suggested Answer

Suggested Answer: A, D, E

An RMAN recovery catalog is required so that backups taken on one database server can be restored to another database server. It is not sufficient to use only the control file as the RMAN repository because the primary database will have no knowledge of backups taken on the standby database.

Note: RMAN uses a recovery catalog to track filenames for all database files in a Data Guard environment. A recovery catalog is a database schema used by RMAN to store metadata about one or more Oracle databases. The catalog also records where the online redo logs, standby redo logs, tempfiles, archived redo logs, backup sets, and image copies are created.

References:

https://docs.oracle.com/database/121/SBYDB/rman.htm#SBYDB4853

by Blair at May 09, 2022, 04:36 AM

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