AWS DevOps Container Services 2

Question 1

Which ECS launch type eliminates the need to manage the underlying EC2 instances?

Accepted Answer

Fargate launch type

Answer

AWS Fargate is a serverless compute engine for containers that removes the need to provision or manage EC2 instances.

Question 2

In Amazon EKS, what component acts as the control plane managing the Kubernetes API server?

Accepted Answer

AWS-managed control plane

Answer

EKS provides a fully managed Kubernetes control plane (API server, etcd) that AWS operates and scales on your behalf.

Question 3

A DevOps team wants containers to automatically scale based on SQS queue depth. Which AWS service combination achieves this with ECS Fargate?

Accepted Answer

ECS Service Auto Scaling with a custom CloudWatch metric from SQS

Answer

ECS Service Auto Scaling can use a custom CloudWatch metric (e.g., ApproximateNumberOfMessagesVisible) from SQS to scale task count.

Question 4

Which ECR feature automatically scans container images for known OS and programming language package vulnerabilities on push?

Accepted Answer

ECR enhanced scanning with Amazon Inspector

Answer

ECR enhanced scanning integrates with Amazon Inspector to continuously scan images for CVEs in OS packages and language dependencies.

Question 5

What is the purpose of an ECS Task Definition's 'essential' container flag?

Accepted Answer

If the essential container stops, all containers in the task are stopped

Answer

Marking a container as essential means ECS will stop the entire task if that container exits, enabling fail-fast behavior.

AWS Practice Test