Domain 4: Design Cost-Optimized Architectures
Weight: 20% of Scored Content
This domain covers designing cost-effective storage, compute, database, and network solutions.
Task Statements
| Task | Description |
|---|
| Task 4.1 | Design cost-optimized storage solutions |
| Task 4.2 | Design cost-optimized compute solutions |
| Task 4.3 | Design cost-optimized database solutions |
| Task 4.4 | Design cost-optimized network architectures |
Key AWS Services
- AWS Cost Explorer, Budgets, Cost and Usage Report
- S3 storage classes, lifecycle policies, Glacier
- EC2 purchasing options (On-Demand, Reserved, Savings Plans, Spot)
- Aurora Serverless, DynamoDB On-Demand
- NAT Gateway, VPC Endpoints, Direct Connect, Transit Gateway