Oracle Exam 1Z0-066 Topic 8 Question 56 Discussion

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

Question #: 56
Topic #: 8

[All 1Z0-066 Questions]

You are licensed to use Oracle Active Data Guard.

Which two statements are true after enabling block change tracking on a physical standby database? (Choose two.)

AIt allows fast incremental backups to be offloaded to the physical standby database.

BIt starts the CTWR process on the physical standby database instance.

CIt allows fast incremental backups to be taken on the primary database.

DIt starts the RVWR process on the physical standby database instance.

EIt allows fast incremental backups to be offloaded to a snapshot standby database, when the physical standby database in converted.

FIt starts the CTWR process on the primary database instance.

Show Suggested Answer

Suggested Answer: A, B

A: Many of the customers now are opting to perform RMAN backups on standby database to offload the resources of production database.

B: To enable Active Data Guard on a standby database, set the ENABLE_OPTION_ACTIVE_DATA_GUARD initialization parameter to TRUE.

Note: Fast Incremental backups is possible with Block change tracking, which is initially introduced from version 10.2 onwards, by this tool it's very useful to reduce the RMAN incremental backup duration but it is limited only for Primary database. From 11g Oracle with Active Data Guard feature we can use Block change tracking even on Physical standby database.

References:

http://www.morganslibrary.org/reference/block_change_tracking.html

by Benton at May 09, 2022, 08:19 PM

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