AWS Certified Cloud Practitioner 2024 (100% Verified Answers)

ECS correct answers Elastic Container Service - Launch Docker containers on AWS - You MUST provision & maintain the infrastructure (the EC2 instance) - AWS takes care of starting/stopping containers - Has integrations w/the app load balancer Fargate correct answers - Launch Docker containers on AWS -DOES NOT need to provision EC2 -SERVERLESS Offering - AWS just runs containers for you based on the CPU/RAM you need ECR correct answers Elastic Container Registry - Private docker registry on AWS - this is where you store your docker images so they can be run by ECS or Fargate What's serverless? correct answers - new paradigm in which the developers don't have to manage servers anymore - they just deploy code or functions! - initially FaaS (Fx as a service) - serverless was pioneered by AWS Lambda but now also includes anything that's managed :DB, msg, storage, etc Serverless AWS services correct answers Amazon S3, DynamoDB, Fargate, Lambda Lambda correct answers Virtual functions - no servers to manage! Limited by time - short executions Run on -demand Scaling is automated EC2 vs Lambda Serverless Thumbnail creation & CronJob correct answers image created in S3 then pushed to Lambda Fx creating a Thumbnail, then pushed to new thumbnail in S3 and Metadata in DynamoDB, ALL serverless integrations. CRON allows you to define schedule and run script, runs on Linux AMI. CloudWath Events EventBridge, trigger every hr for Lambda fx to perform a task Amazon API Gateway correct answers Fully managed service for developers to easily create, publish, maintain, monitor, and secure APIs example: building a serverless API SERVERLESS and scalable AWS Batch correct answers Batch (scheduled) vs. continuous