Reflecting on Week 5's 5 days, one axis runs through: How to route global users to correct region/endpoint, auto or manually switch on failure, all within budget. DR strategies (Day 1), Route 53 7 routing types (Day 2), CloudFront advanced (Day 3), Global Accelerator, Route 53 Health Check/DNSSEC/Resolver (Day 4). These five layers learned independently but exam combines them into single scenarios.
Today isn't repetition. Compress each concept's decision tree, mathematically organize most-frequent trade-off comparison mistakes, finish with 12 complex enterprise scenarios.
Revisit DR strategy numbers