AWS Certified Cloud Practitioner Series – Part 2

Security, Storage, Scaling, and High Availability in AWS In this article, I continue my AWS Certified Cloud Practitioner learning series by covering core AWS compute, storage, networking security, scalability, and availability concepts. These topics are extremely important from both exam and real‑world DevOps perspectives. Security Groups Security Groups act as virtual firewalls that control inbound and outbound traffic for EC2 instances. Inbound Rules Allowing HTTP (TCP 80) from anywhere (0.0.0