Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 187 discussion

https://containersonaws.com/introduction/ec2-or-aws-fargate/ A.(O) multi-az <= 'little intervention' B.(X) read replica <= Promoting a read replica to be a standalone DB instance You can promote a read replica into a standalone DB instance. When you promote a read replica, the DB instance is rebooted before it becomes available. https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ReadRepl.html C.(X) use Amazon ECS instead of EC2-based docker for little human intervention D.(O) Amazon ECS on AWS 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. E.(X) EC2 launch type The EC2 launch type can be used to run your containerized applications on Amazon EC2 instances that you register to your Amazon ECS cluster and manage yourself.

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RDS Multi AZ and AWS Fargate are the most suitable here.

Highly available application - Amazon RDS DB instance in Multi-AZ little manual intervention - Fargate

highly available application, little manual intervention = serverless = Amazon Elastic Container Service with Fargate and Amazon RDS DB instance in Multi-AZ mode

The correct answers are A and D. A) Creating an RDS DB instance in Multi-AZ mode provides automatic failover to a standby replica in another Availability Zone, providing high availability. D) Using ECS Fargate removes the need to provision and manage EC2 instances, allowing the service to scale dynamically based on demand. ECS handles load balancing and availability out of the box.

AD is the correct answer

A. Create an Amazon RDS DB instance in Multi-AZ mode. This ensures that the database is highly available with automatic failover to a standby replica in another Availability Zone. D. Create an Amazon Elastic Container Service (Amazon ECS) cluster with a Fargate launch type to handle the dynamic application load. Fargate abstracts the underlying infrastructure, automatically scaling and managing the containers, making it a highly available and low-maintenance option. Option B is not the best choice as it only creates replicas in another Availability Zone without the automatic failover capability provided by Multi-AZ mode. Option C is not the best choice as managing a Docker cluster on EC2 instances requires more manual intervention compared to using the serverless capabilities of Fargate in option D. Option E is not the best choice as it uses the EC2 launch type, which requires managing and scaling the EC2 instances manually. Fargate, as mentioned in option D, provides a more automated and scalable solution.

little manual intervention = Serverless

Option A&D

A and D

A and D

A and D

A and D are the options