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Certified AWS Associate Developer Notes

My notes in preparation for the 2020 AWS developer associate exam

Table of contents

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:

  • 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

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My notes in preparation for the 2020 AWS developer associate exam

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