AWS Networking and Content Delivery
VPC, load balancing, DNS, CDN and API fronting.
| Service | Also | Lines |
|---|---|---|
| API Gateway | advanced patterns | 365 |
| CloudFront | — | 353 |
| VPC | troubleshooting and cost | 376 |
| Elastic Load Balancing | — | 388 |
| Route 53 | — | 102 |
Services outside this list were deliberately not covered - see Modernization plan — 2026-2027 interview prep phase 2. Depth here tracks what a Python/AI backend role is actually asked about, not the full AWS catalog.