SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
A company is planning to migrate a large-scale e-commerce platform from on-premises to AWS. The platform includes a web tier, application tier, and a MySQL database. The company needs to ensure high availability and scalability. Which combination of AWS services should the company use to modernize the application architecture while minimizing operational overhead?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use Application Load Balancer, Amazon ECS with Fargate for both web and application tiers, and Amazon Aurora MySQL.
It uses a managed container service (ECS with Fargate) for both web and application tiers, eliminating server management overhead, and Amazon Aurora MySQL provides a MySQL-compatible, highly available, and scalable managed database. Option A is incorrect because although it includes a load balancer and ECS with Fargate for the application tier, it uses unmanaged EC2 instances for the web tier, increasing operational overhead. Option C is incorrect because it proposes DynamoDB, which is NoSQL and not suitable for a MySQL-based e-commerce platform. Option D is incorrect because it uses EC2 instances for both tiers, requiring more manual management compared to a containerized solution.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use Elastic Load Balancer, Amazon EC2 instances for the web tier, and Amazon ECS with Fargate for the application tier, and Amazon RDS for MySQL.
Why it's wrong here
Using EC2 for the web tier still requires managing instances, not fully serverless.
- ✓
Use Application Load Balancer, Amazon ECS with Fargate for both web and application tiers, and Amazon Aurora MySQL.
Why this is correct
Fargate eliminates server management, and Aurora provides managed MySQL with high availability.
- ✗
Use Amazon CloudFront, Amazon EC2 instances for the application tier, and Amazon DynamoDB.
Why it's wrong here
EC2 for application tier adds overhead, and DynamoDB is not MySQL-compatible.
- ✗
Use Amazon EC2 Auto Scaling groups for both web and application tiers, and Amazon RDS for MySQL with Multi-AZ.
Why it's wrong here
EC2 instances require manual patching and scaling management, increasing operational overhead.
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