SAP-C02 Q573 · Migration

Question

A company is modernizing a legacy.NET Framework application backed by SQL Server. Requirements: * Containerize into microservices. * Control OS patches and storage. * Add load balancing. * Ensure high availability. Which solution meets all of these with minimal refactoring?

Accepted Answer

**Answer A satisfies every requirement with minimal refactoring:**

1. **Containerize into microservices** → **AWS App2Container (A2C)** is specifically designed to containerize existing .NET Framework and Java applications *without code changes*. It analyzes running applications and generates Docker container images plus deployment artifacts. This is the lowest-refactoring path.

2. **Control OS patches and storage** → **ECS with EC2 launch type** gives you direct access to the underlying EC2 instances. You control the AMI, OS patching schedule, and can attach/manage EBS volumes. This is unlike Fargate, where AWS manages the underlying infrastructure.

3. **Add load balancing** → **Application Load Balancer (ALB)** operates at Layer 7 (HTTP/HTTPS), which is the standard choice for web-fac

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