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Q20 Single choice

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?

A
Set the automated backups to occur every other day to lower the frequency of backups.
B
Change the storage tier of the automated backups from solid-state drive (SSD) to hard disk drive (HDD).
C
Select a different region to store your backups.
D
Reduce the number of automated backups that are retained to two (2).

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