Flashcards

Amazon ECS

Container orchestration service

5 minutes 5 Questions

Amazon Elastic Container Service (ECS) is a fully managed container orchestration service from AWS that helps users deploy, manage, and scale containerized applications. ECS simplifies the process of running containers at scale by handling the underlying infrastructure management.<br><br>Key featur…

Concepts covered

Amazon Elastic Container Service (ECS)ECS Task Placement Strategies ECS Container Agent ECS Service Discovery Task Definitions ECS Services ECS Clusters Fargate Launch Type ECS Service Auto Scaling ECS Task Networking

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AWS Certified Solutions Architect - Amazon ECS Example Questions

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Question 1

What is the difference between Fargate and EC2 launch types in Amazon ECS?

Fargate is a feature for networking while EC2 launch type is a feature for security Fargate is a serverless launch type which does not require you to manage any infrastructure, while EC2 launch type allows you to launch containers on a cluster of EC2 instances Fargate is a Windows-based launch type while EC2 launch type is Linux-based Fargate is a pricing model while EC2 launch type is a performance model

Correct Answer: Fargate is a serverless launch type which does not require you to manage any infrastructure, while EC2 launch type allows you to launch containers on a cluster of EC2 instances

Fargate is a serverless launch type which abstracts away the underlying infrastructure, while EC2 launch type allows you to launch containers on EC2 instances that you manage.

Question 2

In Amazon ECS, what is the primary purpose of the task execution role (ecsTaskExecutionRole)?

A role that provides access to an Amazon S3 bucket An IAM role assumed by the ECS agent to perform execution tasks such as pulling images from Amazon ECR and publishing logs to CloudWatch A role that defines network connectivity for a task A role that creates IAM users

Correct Answer: An IAM role assumed by the ECS agent to perform execution tasks such as pulling images from Amazon ECR and publishing logs to CloudWatch

The task execution role (ecsTaskExecutionRole) is an IAM role that the Amazon ECS container agent and underlying service infrastructure assume to perform operations required to run a task. Typical actions include pulling container images from Amazon ECR or private registries (using stored credentials), publishing container logs to Amazon CloudWatch Logs, and retrieving secrets or parameters referenced in the task definition. It does not grant application code within containers permission to call AWS APIs—that is the separate task role. Network connectivity is controlled by task networking and security groups, and IAM roles do not create IAM users.

Question 3

What is Elastic Load Balancing integration in Amazon ECS?

A feature that allows you to use Amazon S3 as a backend storage for your Amazon ECS containers A feature that automatically distributes incoming application traffic across multiple Amazon ECS services A feature that allows you to scale your Amazon ECS services based on incoming traffic A feature that allows you to manage your Amazon ECS IAM roles

Correct Answer: A feature that automatically distributes incoming application traffic across multiple Amazon ECS services

Elastic Load Balancing integration in Amazon ECS allows you to automatically distribute incoming web traffic across multiple Amazon ECS services. This helps to improve your application's availability and scalability.

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