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Google Professional Data Engineer Exam - Topic 1 Question 10 Discussion

You plan to deploy Cloud SQL using MySQL. You need to ensure high availability in the event of a zone failure. What should you do?
C) Create a Cloud SQL instance in one zone, and configure an external read replica in a zone in a different region.
A) Create a Cloud SQL instance in one zone, and create a failover replica in another zone within the same region.
B) Create a Cloud SQL instance in one zone, and create a read replica in another zone within the same region.
D) Create a Cloud SQL instance in a region, and configure automatic backup to a Cloud Storage bucket in the same region.

Google Professional Data Engineer Exam - Topic 1 Question 10 Discussion

Actual exam question for Google's Professional Data Engineer exam
Question #: 10
Topic #: 1
[All Professional Data Engineer Questions]

You plan to deploy Cloud SQL using MySQL. You need to ensure high availability in the event of a zone failure. What should you do?

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Suggested Answer: C

by Marvel at May 07, 2022, 06:51 PM

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Trinidad
10 months ago
I thought external replicas were a good option, but maybe not for this?
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Meghan
10 months ago
Definitely not D, backups won't help during a zone outage.
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Antonio
11 months ago
Wait, can a read replica really handle a zone failure?
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Margret
11 months ago
I agree, failover replicas are key for zone failures!
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Antonette
11 months ago
Option A is the best choice for high availability.
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Larue
11 months ago
I practiced a question like this, and I feel like having a failover replica in another zone is the key to ensuring availability. So, A seems correct.
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Nan
11 months ago
I'm not entirely sure, but I remember something about read replicas not providing failover capabilities. So, maybe B isn't the best choice?
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Rossana
11 months ago
I think option A sounds right because it mentions a failover replica, which is crucial for high availability.
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Chauncey
11 months ago
Option D seems tempting with backups, but I don't think it addresses high availability directly. I might lean towards A as well.
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Charlette
11 months ago
Hmm, I'm not sure about this one. I'll have to think it through carefully.
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Maybelle
11 months ago
This question seems a bit tricky. I'll need to think carefully about the relationship between the employee who was passed over and their potential resentment.
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Chauncey
11 months ago
I'm a bit confused by the wording of the question. Let me re-read it a couple times to make sure I understand what they're asking.
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