What should you do?

You host an application in Google Cloud. The application is located in a single region and uses Cloud SQL for transactional data. Most of your users are located in the same time zone and expect the application to be available 7 days a week, from 6 AM to 10 PM. You want to ensure regular maintenance updates to your Cloud SQL instance without creating downtime for your users.

What should you do?
A . Configure a maintenance window during a period when no users will be on the system. Control the order of update by setting non-production instances to earlier and production instances to later.
B . Create your database with one primary node and one read replica in the region.
C . Enable maintenance notifications for users, and reschedule maintenance activities to a specific time after notifications have been sent.
D . Configure your Cloud SQL instance with high availability enabled.

Answer: A

Explanation:

Configure a maintenance window during a period when no users will be on the system. Control the order of update by setting non-production instances to earlier and production instances to later.