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DBS-C01 · Question #331

A company is using an Amazon RDS for MySQL DB instance for a production application. During the company's upcoming scheduled maintenance window, a database specialist will perform a major version…

The correct answer is C. Create read replica of the DB instance. Upgrade the version on the read replica. Promote the. https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_UpgradeDBInstance.MariaD B.html#USER_UpgradeDBInstance.MariaDB.Major

Submitted by takeshi77· Mar 6, 2026Deployment and Migration

Question

A company is using an Amazon RDS for MySQL DB instance for a production application. During the company's upcoming scheduled maintenance window, a database specialist will perform a major version upgrade to the DB instance. The application is critical, so the company wants to minimize the maintenance time and allow for a rollback if a problem occurs. Which solution will meet these requirements?

Options

  • AEnable the automatic upgrade option by using the AWS Management Console. Amazon RDS will
  • BCreate a new DB instance that has the desired version. Configure AWS Database Migration
  • CCreate read replica of the DB instance. Upgrade the version on the read replica. Promote the
  • DCreate a read replica of the DB instance. Configure a policy to fall over to the read replica if

How the community answered

(23 responses)
  • A
    4% (1)
  • B
    13% (3)
  • C
    78% (18)
  • D
    4% (1)

Explanation

https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_UpgradeDBInstance.MariaD B.html#USER_UpgradeDBInstance.MariaDB.Major

Topics

#RDS major version upgrade#Read replicas#Zero downtime deployment#Rollback strategy

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