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1z0-497 Exam Dumps : Oracle Database 12c Essentials

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Oracle Database 12c Essentials Questions and Answers

Question 1

Your customer is looking for a solution that meets these four needs:

1 - Replicate data from source to target for reporting purposes.

2 -Replicate data from one source to multiple targets.

3 - Replicate data between two databases for instant failover.

4 - Replicate data from multiple sources to a single target for a data warehouse.

Which GoldenGate-supported topology would you recommended?

Options:

A.

Uni-directional for 1

Peer-to-peer for 2

Bi-directional for 3

Consolidation for 4

B.

Peer-to-peer for 1

Broadcast for 2

Bi-directional for 3

Consolidation for 4

C.

Uni-directional for 1

Broadcast for 2

Bi-directional for 3

Consolidation for 4

D.

Peer-to-peer for 1

Consolidation for 2

Broadcast for 3

Cascading for 4

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Question 2

Which three events signal a database writer (DWR) to write buffers to disk?

Options:

A.

The database advances a checkpoint.

B.

A client process commits a transaction.

C.

The redo log buffer becomes full.

D.

A server process cannot find non-dirty blocks after scanning a threshold number of buffers.

E.

A tablespace is changed to read-only status.

F.

The database is shut down in immediate mode.

Question 3

Identify two types of solutions in which you would need to use Active Data Guard and Golden Gate together.

Options:

A.

a solution that provides zero-data-loss protection at any distance without impacting database performance

B.

a solution for disaster protection and database rolling upgrades for a mission-critical OLTP database, where you also want to extract data from a data guard primary database for ETL update o' an enterprise data warehouse

C.

a solution requiring minimal planned downtime and risk, using standby first patching, database rolling upgrades, and select platform migrations

D.

a solution that helps with integrated automatic database and client failover between source and target, where you also need to establish advanced replication (such as multi master and bidirectional replication and data transformations)