Certification Catalog

AWS, Google Cloud & Kubernetes Certification Guide

Comprehensive study notes, cheat sheets, architecture patterns, and practice questions for cloud certification exams — updated for 2026. Trusted by 500,000+ cloud professionals.

🎯 Start Here — Choose Your Certification

AWS Certifications

Google Cloud Certifications

Kubernetes & Terraform

🏗️ Architecture Patterns — 58 Reference Diagrams

Production-ready architecture patterns with diagrams, decision tables, and exam practice questions. View All 58 Patterns →

Category Top Patterns
Core (8) Three-Tier & Caching | Serverless API | Event-Driven | DR Strategies
Networking (8) VPC Connectivity | Direct Connect | ALB vs NLB vs GWLB | Global Traffic
Security (12) IAM & SCPs | KMS & Encryption | Incident Response | DDoS Protection
AI/ML (12) Agentic AI & MCP | RAG Advanced | GenAI Cost | Bedrock vs SageMaker
Data (8) Data Lake | EMR & Spark | DynamoDB Advanced | Kinesis vs MSK
DevOps (3) + Migration (3) CloudFormation | Systems Manager | Storage Gateway vs DataSync

📊 Popular Comparison Guides

📝 Cheat Sheets

📚 AWS Services — Complete Topic Index

AWS Certifications Journey

AWS Security, Identity & Compliance

AWS Networking & Content Delivery

AWS Compute

AWS Storage

AWS Databases

AWS Application Integration

AWS Management, Analytics & ML

📖 Resources & Deals