Summary
You explored a number of key topics in this chapter—how to best organize and isolate your AWS resources, which billing strategy to implement, how to leverage AWS Organizations and OUs to structure your AWS environment, how to enforce security best practices and protect your AWS environment using SCPs, and finally, how to automate governance at scale with Control Tower.
The topics covered in the first three chapters are part of the foundational skills that you must know inside out to be a successful AWS solutions architect. We will build upon these foundations as we progress on to more complex and advanced topics in the rest of the book.
In Chapter 4, Ensuring Cost Optimization, you will explore the various mechanisms and services that you can leverage to keep your AWS bills under control.