The authors would like to thank a few people who helped us develop and write this AWS Certified Advanced Networking – Specialty Official Study Guide.

First, thanks to all of our families for supporting us in our seemingly endless efforts to produce this book. We know the hours away from home were only possible because of you. The readers of this book owe you a debt of gratitude, as well.

A huge thanks to our colleagues, Dave Cuthbert and Dave Walker, who guest authored the chapters on automation and risk and compliance, respectively. Many thanks to James Hamilton for the Foreword and to Mark Ryland and Camil Samaha for their cover-to-cover contributions.

When we wrote this book, many of the features and services described were only on the drawing board. Thanks to the product and engineering teams for taking the time to provide us with insight into new and exciting capabilities. Our readers thank you, too!

Of course, we must thank all of the supporting team members who helped shepherd us to the finish line: Nathan Bower and Victoria Steidel, our thoughtful technical editors, who reviewed and edited all of the content; Mary Kay Sondecker, who answered our call for project help; and Sharon Saternus, our project manager, who had the task of herding cats – the authors.