suylim/certified-aws-developer-associate-notes

My notes in preparation for the 2020 AWS developer associate exam

Certified AWS Associate Developer Notes

My notes in preparation for the 2020 AWS developer associate exam

Table of contents

• AWS Fundamentals

  • IAM: Identity Access & Management
  • EC2: Virtual Machines
  • Security Groups
  • ELB: Elastic Load Balancers
  • ASG: Auto Scaling Group
  • EBS Volumes
  • RDS: Relational Database Service
  • Route 53
  • ElastiCache
  • VPC: Virtual Private Cloud
  • S3 Buckets

• AWS Deep Dive

  • CLI: Command Line Interface
  • SDK: Software Development Kit
  • Elastic Beanstalk
  • CICD: Continuous Integration and Deployment
    • CodeCommit
    • CodePipeline
    • CodeBuild
    • CodeDeploy
  • CloudFormation
  • CloudWatch
  • Integration and Messaging
    • SQS
    • SNS
    • Kinesis

• YAML

• AWS Serverless

  • Lambda
  • DynamoDB
  • API Gateway
  • Cognito

• Docker based AWS services

  • ECS: Elastic Container Service
  • Elastic Container Registry
  • Fargate

• Exam Preperation

Exam Preparation

• Exam details

  • Two question types:

    • Multiple Choice
    • Multiple response

  • Minimum passing score: 720/1000

  • Domains:

    • Deployment: CICD, Beanstalk, Serverless
    • Security: each service deep-dive + dedicated section
    • Development with AWS Services: Serverless, API, SDK, & CLI
    • Refactoring: Understand all the AWS services for the best migration
    • Monitoring and Troubleshooting: CloudWAtch, CloudTrail, X-Ray

  • Exam Guide:

    • Certified Developer - Associate Exam PDF

• EC2 + IAM Exam Checklist

  • Know how to SSH into EC2 (and change .pem file permissions)
  • Know how to properly use security groups
  • Know the fundamental differences between private vs public vs elastic IP
  • Know how to use User Data to customize your instance at boot time
  • Know that you can build custom AMI to enhance your OS
  • EC2 instances are billed by the second and can be easily created and thrown away, welcome to the cloud! 
 Maybe on Exam:
  • Availability zones are in geographically isolated data centers
  • IAM users are NOT defined on a per-region basis
  • If you are getting a permission error exception when trying to SSH into your linux instance, then the key is missing chmod 400 permissions
  • If you are getting a network timeout when trying to SSH into your EC2 instance, then your security groups are misconfigured
  • Security groups reference IP address, CIDR block, Security group, but NOT DNS name