AWS Certified DevOps Engineer - Professional DOP-C02 — Topic 1 Question 107

Question

A company manages a web application that runs on Amazon EC2 instances behind an Application Load Balancer (ALB). The EC2 instances run in an Auto Scaling group across multiple Availability Zones. The application uses an Amazon RDS for MySQL DB instance to store the data. The company has configured Amazon Route 53 with an alias record that points to the ALB. A new company guideline requires a geographically isolated disaster recovery (DR) site with an RTO of 4 hours and an RPO of 15 minutes. Which DR strategy will meet these requirements with the LEAST change to the application stack?

Accepted Answer

Correct answer: D. The correct answer is D. Option D: Launch a replica environment of everything except Amazon RDS in a different AWS Region. Create an RDS read replica in the new Region, and configure the new environment to point to the local RDS DB instance. Add the ne... Amazon RDS is a managed relational database that handles patching, backups and failover. Amazon Route 53 provides DNS with health checks and routing policies for availability and latency. AWS Config tracks resource configuration changes and evaluates compliance. By spanning multiple Availability Zones / adding redundancy, this option provides the high availability and resilience required.

AWS Certified DevOps Engineer - Professional DOP-C02 — Question 107