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
- Foundational: Cloud Practitioner (CLF-C02) | AI Practitioner (AIF-C01)
- Associate: Solutions Architect (SAA-C03) | Developer (DVA-C02) | SysOps (SOA-C02) | Data Engineer (DEA-C01) | ML Engineer (MLA-C01)
- Professional: SA Professional (SAP-C02) | DevOps Professional (DOP-C02) | AI Professional (AIP-C01)
- Specialty: Security (SCS-C03) | Networking (ANS-C01)
Google Cloud Certifications
- Associate Cloud Engineer | Professional Cloud Architect | Professional Data Engineer
- Network Engineer | Security Engineer | Cloud Developer | DevOps Engineer
Kubernetes & Terraform
- CKA | CKAD | CKS | KCNA | Terraform Associate
🏗️ 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
- S3 vs EBS vs EFS — Storage Comparison
- SNS vs SQS vs EventBridge — When to Use Each
- EFS vs FSx — Shared File Storage
- Global Accelerator vs CloudFront
- Kinesis Streams vs Firehose vs Flink
- Aurora vs RDS vs DynamoDB
- Config vs CloudTrail vs CloudWatch
- KMS vs CloudHSM vs Secrets Manager vs Parameter Store
📝 Cheat Sheets
- AWS Services Cheat Sheet | AI & Gen AI Cheat Sheet
- Security & Identity | Compute | Storage | Database
- Analytics | Networking | Machine Learning | Google Cloud
📚 AWS Services — Complete Topic Index

AWS Security, Identity & Compliance
- AWS IAM: Roles | Federation | Policies | Best Practices
- KMS | CloudHSM | GuardDuty | Inspector | Detective | Macie
- WAF | Shield | Network Firewall | Control Tower | Cognito
AWS Networking & Content Delivery
- VPC | Endpoints | Peering | NAT | SGs vs NACLs
- ELB | ALB | NLB | Route 53 | CloudFront | Global Accelerator
- Direct Connect | Transit Gateway | API Gateway
AWS Compute
- EC2 | Instance Types | Purchase Options | Auto Scaling | Lambda
- ECS | EKS | Fargate | Elastic Beanstalk
AWS Storage
- S3 | Storage Classes | EBS | Volume Types | EFS | FSx
- Storage Gateway | S3 Glacier
AWS Databases
- RDS | Aurora | Aurora DSQL | DynamoDB | ElastiCache | Redshift
AWS Application Integration
- Step Functions | EventBridge | SQS | SNS
AWS Management, Analytics & ML
- CloudWatch | CloudTrail | Config | CloudFormation | Organizations
- Kinesis | EMR | Athena | Glue | OpenSearch
- SageMaker AI | Amazon Bedrock | Amazon Q