Google Professional Cloud Database Engineer Exam - Topic 8 Question 67 Discussion

Actual exam question for Google's Professional Cloud Database Engineer exam

Question #: 67
Topic #: 8

[All Professional Cloud Database Engineer Questions]

You have a large Cloud SQL for PostgreSQL instance. The database instance is not mission-critical, and you want to minimize operational costs. What should you do to lower the cost of backups in this environment?

ASet the automated backups to occur every other day to lower the frequency of backups.

BChange the storage tier of the automated backups from solid-state drive (SSD) to hard disk drive (HDD).

CSelect a different region to store your backups.

DReduce the number of automated backups that are retained to two (2).

Show Suggested Answer

Suggested Answer: D

By default, for each instance, Cloud SQL retains seven automated backups, in addition to on-demand backups. You can configure how many automated backups to retain (from 1 to 365). We charge a lower rate for backup storage than for other types of instances. https://cloud.google.com/sql/docs/mysql/backup-recovery/backups

by Catarina at Mar 06, 2026, 06:41 AM

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1 month ago

I remember we discussed backup frequency in class, and I think option A could help reduce costs, but I'm not sure if every other day is enough.

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