Skip to main content

How to study this volume

For each lesson:

  1. Answer the scenario before reading the decision matrix.
  2. Draw the architecture from memory.
  3. Implement the lab or perform a paper simulation.
  4. Explain why each rejected option is weaker.
  5. Record mistakes in a weakness log.
  6. Complete cleanup immediately.

Cost safety​

Use a sandbox account, budgets, short-lived resources, and least-privilege roles. Remove NAT gateways, load balancers, EC2 fleets, container tasks, provisioned concurrency, images, snapshots, and test log groups after labs.