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AWS Certified Developer Associate 2021 Study Guide

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Elastic Beanstalk (EB) Correct Answer: PaaS by AWS for deploying web apps PaaS Correct Answer: Platform-as-a-Service; platform allowing for customers to develop, run, and manage applications with... out having to worry about underlying infrastructure What kind of environments are Elastic Beanstalk good for? Correct Answer: Development, testing, and small commercial environments What technologies can be included with an EB environment? Correct Answer: 1) Elastic Load Balancer (ELB) 2) Auto-Scaling Groups (ASG) 3) RDS Database 4) EC2 Instance/VM 5) Cloudwatch, X-Ray, and SNS Monitoring 6) In-Place and Blue/Green methodologies 7) Additional security with KMS 8) Dockerized support What languages are supported by Elastic Beanstalk? Correct Answer: 1) Ruby (Ruby on Rails) 2) Python (Django) 3) PHP (Laravel) 4) NodeJS (ExpressJS) 5) Java (Spring) 6) .NET (ASP.NET) 7) Docker-based environments Web Environment Correct Answer: Comes with an ASG that holds EC2 instances, and optionally a ELB depending on the type of environment; used as the web server that users will connect to Worker Environment Correct Answer: Comes with an ASG that holds EC2 instances, an SQS queue and Cloudwatch instance that will handle and monitor background jobs/microservices; dynamically scales based on application health Load-Balanced Environment Variant Correct Answer: Type of Web Environment designed for scale; ASG creates and removes new EC2 instances based on ELB's web traffic Single-Instance Environment Variant Correct Answer: Type of Web Environment designed for low cost; an EIP points to an ASG that has at least one (but often not more) EC2 instances running, and has no ELB EB Deployment Policies Correct Answer: 1) All at Once 2) Rolling [Show More]

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