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Google Exam Professional Cloud Database Engineer Topic 1 Question 44 Discussion

Actual exam question for Google's Professional Cloud Database Engineer exam
Question #: 44
Topic #: 1
[All Professional Cloud Database Engineer Questions]

You are configuring a brand new PostgreSQL database instance in Cloud SQL. Your application team wants to have an optimal and highly available environment with automatic failover to avoid any unplanned outage. What should you do?

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Suggested Answer: D

Verify that the replica has processed all the transactions it has received from the primary. This ensures that when promoted, the replica reflects all transactions that were received before the primary became unavailable. https://cloud.google.com/sql/docs/postgres/replication/cross-region-replicas#verify_failover_criteria


by Rosalyn at Sep 16, 2024, 01:16 PM

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Celia
21 hours ago
Option B is the way to go! A regional instance with a standby in another zone is the perfect setup for high availability.
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Tuyet
4 days ago
That's a valid point, but having a standby instance in the same region like in option B can also provide quick failover.
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Mariann
5 days ago
I disagree, I believe option A is better as it offers a read replica in another region for better fault tolerance.
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Tuyet
16 days ago
I think option B is the best choice because it provides high availability within the same region.
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