☁️ Amazon Web Services (AWS)

Learn AWS services useful for QA automation, cloud test environments, CI pipelines, storage, monitoring and scalable test execution.

Master the AWS services used in modern QA workflows — from provisioning test environments on EC2 to storing test artifacts on S3 and running pipelines with CodePipeline.

What you can learn on this page

  • 🎯 What is AWS? — Imagine you need office space. Instead of buying a building, you rent exactly the rooms you need — and only pay for the hours you use them. AWS is the same idea but for computers: instead of buying physical servers, you rent them from Amazon by the hour. When
  • ⚙️ AWS CLI Installation — The AWS CLI (Command Line Interface) is your remote control for AWS. Instead of clicking through the web console, you type commands like "aws s3 cp report.html s3://my-bucket/" and everything happens instantly. Think of it like a TV remote vs walking
  • 🛠️ Real World — AWS in QA — Imagine a QA team at an e-commerce company. Black Friday is coming. They need to test if the site handles 10,000 simultaneous users. Without AWS: rent a server for 3 months = $3,000. With AWS: spin up 20 EC2 instances for 4 hours = $6. Test done, instances del
  • 🔗 AWS Ecosystem for QA — AWS services are like departments in a city. EC2 is the housing department (gives you a place to run things), S3 is the post office (stores and delivers files), IAM is the security guard (controls who enters), and CodePipeline is the assembly line (automates t
  • 🚨 Common AWS Errors — Most AWS errors fall into 3 categories: (1) Permission denied — IAM policy is missing a rule, (2) Resource not found — wrong region or typo in name, (3) Quota exceeded — AWS limits how many resources you can create. Once you know these patterns, 90% of errors
  • 💼 AWS Interview Questions