DOP-C02 · Question #402
DOP-C02 Question #402: Real Exam Question with Answer & Explanation
The correct answer is B: Deploy the application on EC2 instances across multiple Availability Zones. Put the EC2. Deploy the web tier on EC2 instances spread across multiple Availability Zones in an Auto Scaling group behind an ALB, and migrate the MySQL database to Amazon Aurora with Multi‑AZ enabled. This design removes single-AZ and single-instance failure points with minimal changes to y
Question
A company is running its ecommerce website on AWS. The website is currently hosted on a single Amazon EC2 instance in one Availability Zone. A MySQL database runs on the same EC2 instance. The company needs to eliminate single points of failure in the architecture to improve the website's availability and resilience. Which solution will meet these requirements with the LEAST configuration changes to the website?
Options
- ADeploy the application by using AWS Fargate containers. Migrate the database to Amazon
- BDeploy the application on EC2 instances across multiple Availability Zones. Put the EC2
- CUse AWS Elastic Beanstalk to deploy the application across multiple AWS Regions. Migrate the
- DMigrate the application to AWS Lambda functions. Use Amazon S3 for static content hosting.
Explanation
Deploy the web tier on EC2 instances spread across multiple Availability Zones in an Auto Scaling group behind an ALB, and migrate the MySQL database to Amazon Aurora with Multi‑AZ enabled. This design removes single-AZ and single-instance failure points with minimal changes to your application, and adding CloudFront further improves resilience and performance.
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