nerdexam
Amazon

SOA-C02 · Question #472

A company has applications that process transaction requests multiple times each minute. The applications write transaction data to a single Amazon RDS DB instance. As the company begins to process…

The correct answer is C. Modify the DB instance to be a Multi-AZ deployment. https://docs.aws.amazon.com/whitepapers/latest/disaster-recovery-workloads-on-aws/disaster- recovery-is-different-in-the-cloud.html https://aws.amazon.com/rds/features/multi-az/?nc1=h_ls

Submitted by skyler.x· Mar 30, 2026Reliability and Business Continuity

Question

A company has applications that process transaction requests multiple times each minute. The applications write transaction data to a single Amazon RDS DB instance. As the company begins to process more transactions, the company becomes concerned that it has no failover solution in place for disaster recovery (DR). The company needs the DB instance to fail over automatically without losing any committed transactions. Which solution will meet these requirements?

Options

  • ACreate an RDS read replica in the same AWS Region. Configure an AWS Lambda function to
  • BCreate an RDS read replica in a different AWS Region. Configure an AWS Lambda function to
  • CModify the DB instance to be a Multi-AZ deployment.
  • DSetup an Amazon CloudWatch alarm that monitors the DB instance memory utilization with a

How the community answered

(20 responses)
  • A
    5% (1)
  • B
    15% (3)
  • C
    75% (15)
  • D
    5% (1)

Explanation

https://docs.aws.amazon.com/whitepapers/latest/disaster-recovery-workloads-on-aws/disaster- recovery-is-different-in-the-cloud.html https://aws.amazon.com/rds/features/multi-az/?nc1=h_ls

Topics

#RDS Multi-AZ#automatic failover#disaster recovery#high availability

Community Discussion

No community discussion yet for this question.

Full SOA-C02 Practice