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DOP-C02 · Question #8

A company has an application that is using a MySQL-compatible Amazon Aurora Multi-AZ DB cluster as the database. A cross-Region read replica has been created for disaster recovery purposes. A DevOps e

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Submitted by brentm· Mar 6, 2026Management and Operations

Question

A company has an application that is using a MySQL-compatible Amazon Aurora Multi-AZ DB cluster as the database. A cross-Region read replica has been created for disaster recovery purposes. A DevOps engineer wants to automate the promotion of the replica so it becomes the primary database instance in the event of a failure. Which solution will accomplish this?

Options

  • AConfigure a latency-based Amazon Route 53 CNAME with health checks so it points to both the
  • BCreate an Aurora custom endpoint to point to the primary database instance. Configure the
  • CCreate an AWS Lambda function to modify the application's AWS CloudFormation template to
  • DStore the Aurora endpoint in AWS Systems Manager Parameter Store. Create an Amazon

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Topics

#Aurora Multi-AZ#Cross-Region replica#Disaster recovery#Automated failover
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