Options B and E suggest deploying the Kubernetes control plane and worker nodes on EC2 instances, which would require managing the infrastructure and add ongoing maintenance overhead, contrary to the requirement of minimizing effort. Option C suggests using the Amazon EC2 launch type for ECS, which still requires managing EC2 instances and is not as cost-effective and scalable as using Fargate. Therefore, the combination of deploying an Amazon ECS cluster and an ECS service with a Fargate launch type (options A and D) is the most suitable for minimizing maintenance and scaling effort without managing additional infrastructure.

Company needs a solution that minimizes the amount of ongoing effort for maintenance and scaling = Serverless = ECS with Fargate.

ECS allows deploying and managing containers without having to provision the underlying infrastructure. This minimizes maintenance effort. Using Fargate launch type means ECS will handle provisioning and scaling the infrastructure automatically. This removes the management overhead for the company. Running multiple tasks and specifying desired count ≥ 2 will provide high availability across Availability Zones. Together, ECS plus Fargate provide a fully managed container platform. The company doesn't need to provision or manage servers.

AWS Farget is server less solution to use on ECS: https://docs.aws.amazon.com/AmazonECS/latest/developerguide/AWS_Fargate.html

why is c is incorrect ?

Amazon Fargate is a service that is fully manageable by Amazon; it offers provisioning, configuration and scaling feature. It is "serverless"..

ECS has 2 launch type, EC2 (you maintain the infra) and Fargate (serverless). Since the question ask for no additional infra to manage it should be Fargate.

AWS Fargate is a technology that you can use with Amazon ECS to run containers without having to manage servers or clusters of Amazon EC2 instances. With Fargate, you no longer have to provision, configure, or scale clusters of virtual machines to run containers. https://docs.aws.amazon.com/AmazonECS/latest/userguide/what-is-fargate.html

A D is the correct answer

A,D is correct answer

AD: https://www.examtopics.com/discussions/amazon/view/60032-exam-aws-certified-solutions-architect-associate-saa-c02/

AD - EC2 out for this, cluster + fargate is the right answer