AWS Fundamentals: An Easy-to-Understand Guide

This course is

• This course aims to be a complete guide to AWS fundamentals, organizing knowledge of AWS services and their practical applications.

  • Although it is a basic course, it covers detailed information in depth.

  • You will learn why AWS's major services are used, what features they have, and how to utilize them.

  • In addition to AWS, we also provide the foundational knowledge necessary to understand AWS.

  • Although the title says it's a basic course, it practically aims for a scope up to intermediate and above.

• Created directly by a startup Dev Lead who has been using AWS on the front lines for 9 years.

  • Beyond just delivering simple knowledge, it also contains the know-how of solving actual problems in the field.

• We continuously reflect AWS updates.

  • Applying the new UI as of November 2024. (Currently updating existing lectures)

    • It reflects the completely revamped latest AWS UI, and videos are continuously re-recorded and updated.

  • AWS changes so rapidly that new news pours out every week. Therefore, all lectures are always updated on a weekly basis.

  • Please refer to the update notes at the bottom of the introduction.

• Content is continuously added to the lecture at regular intervals and is marked as [Scheduled]. Content with a confirmed addition date is marked as [Scheduled: {Expected Update Date}]. The price may increase at these times.

  • Existing course purchasers can view additional content at no extra cost.

  • In other words, the earlier you purchase, the more advantageous it is for you 🙂

  • Upcoming lectures have been organized separately in the "Lecture Materials and Others" section at the very bottom.

• Verify the theoretical concepts learned through hands-on practice.

• We are sharing the practice materials and PDFs for all lectures.

• We offer over 4 hours of free previews, so please watch them and decide for yourself.

  
  

Practice Environment

• A credit card in your own name

• iOS/Android (for OTP purposes)

• VSCode (You are free to choose any IDE)

Precautions

• New lectures will continue to be added. (Once content is finalized, it will be marked in advance as [Scheduled: {Expected Update Date}].)

• For more lecture examples and materials, please search for ""AWS Class"" on YouTube.

• If you have any other questions or get stuck, please feel free to ask in the KakaoTalk "AWS Class" Open Chat Room, where over 1,300 people are gathered to discuss AWS.

  
  

Learning Materials Provided

• All PDF files for all lectures

• All practice source code

Update Log

• 2026-03-20

  • Added content regarding the CloudFront Flat Rate Plan.

• 2026-03-18

  • Before adding the lecture regarding the CloudFront Plan, I have temporarily updated the Origin lecture to avoid confusion.

• 2025-08-11

  • The lecture has been updated to reflect the increase in SQS maximum payload capacity and the increase in the maximum ACU limit for Aurora Serverless.

• 2025-07-20

  • AWS New Free Tier System Update related content has been modified/added.

    • Section 3. AWS Cloud Fundamentals

      • I have modified the content for AWS account creation and initial setup.

      • Added a lecture on AWS Free Tier extra credit activities.

• 2025-07-06

  • Section 18.Amazon EC2 Advanced, the "ENI Advanced" lecture has been added.

  • In Section 11.AWS Networking and Content Delivery, the "Amazon Route 53" basic lecture has been updated to reflect the addition of Route 53 HTTPS alias records (2025-07-02) and the UI has been modernized.

• 2025-06-22

  • The lecture content for Section 3. AWS Cloud Foundational Concepts has been updated.

    • AWS Accounts and Free Tier: Announced on June 17th, details regarding the mandatory enforcement of Root User MFA have been added.

  • Section 11.AWS Network & Content Delivery VPC Origin lecture has been added.

  • All UIs for CloudFront-related Demo/Hands-on in Section 11.AWS Network and Content Delivery have been renewed. (In response to the CloudFront UI simplification announced on June 17th)

    • Amazon CloudFront Basics

    • Amazon CloudFront Origin

    • Amazon CloudFront Behavior

    • Amazon CloudFront Behavior

    • Amazon CloudFront File Management

    • Amazon CloudFront Content Protection (1)

    • Amazon CloudFront Content Protection (2)

    • Amazon CloudFront Monitoring

• 2025-06-12

  • A lecture has been added.

    • Section 4. Amazon EC2

      • ALB Listeners and Rules

    • Section 18. Amazon EC2 Advanced

      • EC2 Placement Group

      • Dedicated Host vs Dedicated Instance

      • Summary of AWS Data Transfer Costs

    • Section 21. AWS Security Fundamentals

      • Basics of Temporary Credentials

        
        

      • Advanced IAM Policies

      • Components of IAM Policies

• 2025-04-14

  • I have updated 5 lectures in the AWS Cost and Account Management section.

• 2025-04-07

  • Updated the advanced ELB content and NLB in the Advanced EC2 course, and the ALB listener/rules in the Basic EC2 course.

• 2025-03-08

  • I have updated the lecture content for Other Databases in AWS, as well as the Account section within AWS Cost Management and Account Management.

• 2025-02-16

  • For B2B students, the list of upcoming lectures has been organized into a separate section.

• 2025-02-07

  • Added the DynamoDB lecture to Section 16 (Other Databases on AWS).

  • Added the RDBMS vs NoSQL lecture in the "AWS Basic Knowledge" section.

• 2025-01-23

  • The UI for Section 8 (Practical Architecture 1) has been updated to the latest version.

• 2025-01-05

  • Section 15 (AWS CI/CD Services) content has been added and updated, and the UI has also been modernized.

• 2024-12-30

  • Section 5 (Amazon VPC) content has been additionally updated, and the UI has also been modernized.

• 2024-12-22

  • All content in Section 7 (Amazon RDS) has been completely renewed. Content has been added and modified, and the UI has also been updated to the latest version.

• 2024-12-08

  • All videos in Section 6 (Amazon S3) have been updated to reflect the latest AWS UI.

• 2024-12-08

  • All videos in Section 4 (Amazon EC2) have been updated to reflect the latest AWS UI.

• 2024-11-24

  • We have begun reflecting the new AWS UI updates. Currently, the hands-on lectures in Section 3 reflect the latest UI. The goal is to update the UI for all videos.

• 2024-11-11

  • In the Security Group (Section 5) lecture, content regarding the release of the VPC security group sharing feature has been added.

• 2024-10-27

  • AWS Systems Manager (Section 14) content has been added.

• 2024-10-27

  • In the "EC2 Connection Methods in VPC (Advanced)" section, the process for creating SSM-related roles has been updated.

• 2024-10-07

  • On September 30th, CloudShell's VPC mode was applied to all regions, and the content has been updated accordingly.

• 2024-09-28

  • The "Practical Architecture 2 (Section 12)" lecture has been added.

  • "AWS Management Basics -CloudFormation-" lecture upload has been completed.

• 2024-09-11

  • (Practice) The "AWS Account Creation and Initial Setup" lecture has been updated to reflect the new login UI.

• 2024-08-26

  • "AWS Network and Content Delivery" (Section 10) all lectures have been updated.

  • The Encryption and SSL/TLS lecture, part of the foundational knowledge for understanding AWS, has been updated.

• 2024-08-20

  • "AWS Networking & Content Delivery" (Section 10) Some lectures have been updated.

  • I have extended the upload time as I am creating additional content beyond the original planned list. We ask for your understanding.

• 2024-08-14

  • The "Basic Knowledge for Understanding AWS" section has been moved to Section 2.

  • An introduction to this section has been added to the course introduction video.

  • I have slightly changed the structure of the sections.

    • Accordingly, the section structure of the slides has changed. (Only the existing names were changed; there are no changes to the content.)

  • I have started uploading the "AWS Networking & Content Delivery" (Section 10) lectures.

    • Accordingly, I have added DNS and Caching to the "Basic Knowledge for Understanding AWS" section.

      
      

• 2024-07-20

  • The "AWS Decoupling Services" (Section 10) lecture has been completed.

• 2024-07-18

  • "AWS Basic Knowledge" (OSI 7 Layer Model) has been added.

    
    

• 2024-06-30

  • In "AWS Other Services" (Section 19), I added content regarding the CloudShell VPC mode, which was newly added on 06-26.

• 2024-06-26

  • Added "Exploring the AWS Console" and "What is Virtualization?" lectures to the "AWS Cloud Fundamentals" (Section 1) section.

  • Added the lecture "S3 Utilization Demo: Analyzing Logs with Athena" to "Amazon S3" (Section 4).

  • Added the Cloudtrail lecture to "AWS Monitoring Basics" (Section 7).

• 2024-06-22

  • I simplified the EC2 Cost Models lecture (Section 2) and added content on Reserved Instances, Savings Plans, Spot, and Dedicated Hosts/Instances to EC2 Advanced (Section 14).

  • I have updated the content regarding the new AWS certifications (AI Practitioner, ML Engineer) in the AWS Introduction / AWS Study Guide & Tips (Section 0).

  • The EC2 Autoscale Scaling Policy lecture has been updated.

• 2024-06-20

  • The lecture has been switched to public.