The correct answer isBbecause the company already runs the application onKubernetes, and the application usesAMQPto communicate with a message queue. Amazon EKS is the AWS managed Kubernetes service, so migrating the containerized workload toAmazon EKSallows the company to preserve its existing Kubernetes-based deployment model while reducing the operational burden of managing the Kubernetes control plane. This is the most straightforward migration path for a Kubernetes application and avoids the need for significant re-architecture.

The messaging requirement is equally important. Because the application specifically usesAMQP, the best AWS managed service isAmazon MQ, which supports industry-standard messaging protocols including AMQP. This means the company can migrate the application with minimal code changes and without replacing the messaging pattern already built into the application.

Option A is incorrect becauseAmazon SQSdoes not support AMQP and would require application changes. Option C is incorrect because running the application on EC2 instances creates more infrastructure management overhead than using a managed container orchestration service. Option D is incorrect because AWS Lambda is not a natural fit for an existing containerized Kubernetes application that depends on AMQP-based messaging, and SQS again does not satisfy the AMQP requirement.

AWS architectural best practices favor managed services that minimize undifferentiated operational work.Amazon EKSreduces Kubernetes control plane management, andAmazon MQpreserves protocol compatibility. Together, they provide the required scalability on AWS with the least operational overhead while supporting the company’s current architecture.