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Google Exam Professional Cloud Database Engineer Topic 6 Question 39 Discussion

Actual exam question for Google's Professional Cloud Database Engineer exam
Question #: 39
Topic #: 6
[All Professional Cloud Database Engineer Questions]

You want to migrate an on-premises mission-critical PostgreSQL database to Cloud SQL. The database must be able to withstand a zonal failure with less than five minutes of downtime and still not lose any transactions. You want to follow Google-recommended practices for the migration. What should you do?

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Suggested Answer: D

by Jonelle at Aug 06, 2024, 11:30 AM

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Lettie
7 months ago
B) CDC all the way! I bet the developers at Google are using it to keep their own databases running smoothly.
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Jesusita
7 months ago
C) A read replica in another region? Sounds like a good idea, but will it really withstand a zonal failure? I'm not convinced.
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Dalene
5 months ago
C) A read replica in another region? Sounds like a good idea, but will it really withstand a zonal failure? I'm not convinced.
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Josphine
6 months ago
B) Build a change data capture (CDC) pipeline to read transactions from the primary instance, and replicate them to a secondary instance.
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Delisa
6 months ago
A) Take nightly snapshots of the primary database instance, and restore them in a secondary zone.
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Merissa
7 months ago
A) Snapshots? Really? That's so 90s. We need a more modern approach for a cloud migration.
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Richelle
6 months ago
D) I agree, high availability is crucial for mission-critical databases in the cloud.
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Ronald
6 months ago
C) It might be a bit complex, but it's the best way to ensure minimal downtime and no data loss.
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Alonzo
6 months ago
A) But won't that be complex to set up and maintain?
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Juliana
6 months ago
B) Build a change data capture (CDC) pipeline to read transactions from the primary instance, and replicate them to a secondary instance.
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Joanna
7 months ago
D) Hmm, I'm not sure. Enabling HA sounds like the easy way out. Google-recommended practices are usually more robust.
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Vicki
7 months ago
B) Definitely. A CDC pipeline is the way to go for mission-critical workloads. Ensures zero data loss and minimal downtime.
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Chan
6 months ago
B) Definitely. A CDC pipeline is the way to go for mission-critical workloads. Ensures zero data loss and minimal downtime.
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Ailene
7 months ago
A) Take nightly snapshots of the primary database instance, and restore them in a secondary zone.
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Dyan
7 months ago
I see your point, Lura, but I think option C is also a good choice. Creating a read replica in another region provides additional redundancy.
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Lura
7 months ago
I disagree, I believe option D is the way to go. Enabling high availability will ensure the database is regional and can withstand zonal failures.
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Leonardo
7 months ago
I think option A is the best choice because taking nightly snapshots ensures we have up-to-date data in a secondary zone.
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