☁️ Cloud & Infrastructure

AWS Cloud Practitioner Essentials: Firewalls, Drives, and Infinite Scale

One wrong security group rule, and your EC2 fortress crumbles. In Part 2 of our AWS Certified Cloud Practitioner series, we crack open security, storage, and scaling secrets that turn cloud newbies into architects.

theAIcatchup Apr 09, 2026 4 min read
AWS EC2 console displaying security groups, EBS volumes, and multi-AZ scaling setup

⚡ Key Takeaways

  • Security Groups are stateful firewalls—crucial first defense, default outbound open. 𝕏
  • EBS for single-instance blocks with snapshots; EFS for multi-AZ shared files—pick per workload. 𝕏
  • Master vertical/horizontal scaling and HA for exam and real AI-scale infra dreams. 𝕏
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#AWS Certified Cloud Practitioner #AWS Cloud Practitioner #AWS Scalability #AWS Security Groups #AWS storage #EBS Snapshots #EBS Volumes #EBS vs EFS #EFS vs EBS #Security Groups

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