Wendell odom

Figure I-3
Two Books for CCNA 200-301
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The two books together cover all the exam topics in the CCNA 200-301 exam. Each 
chapter in each book develops the concepts and commands related to an exam topic, 
with clear and detailed explanations, frequent figures, and many examples that build 
your understanding of how Cisco networks work. 
As for choosing what content to put into the books, note that we begin and finish with 
Cisco’s exam topics, but with an eye toward predicting as many of the “other related 
topics” as we can. We start with the list of exam topics and apply a fair amount of expe-
rience, discussion, and other secret sauce to come up with an interpretation of what 
specific concepts and commands are worthy of being in the books or not. At the end 
of the writing process, the books should cover all the published exam topics, with addi-
tional depth and breadth that I choose based on the analysis of the exam. As we have 
done from the very first edition of the 
CCNA Official Cert Guide
, we intend to cover 
each and every topic in depth. But as you would expect, we cannot predict every single 
fact on the exam given the nature of the exam policies, but we do our best to cover all 
known topics.
Book Features
This book includes many study features beyond the core explanations and examples in 
each chapter. This section acts as a reference to the various features in the book.
Chapter Features and How to Use Each Chapter
Each chapter of this book is a self-contained short course about one small topic area, 
organized for reading and study, as follows:
“Do I Know This Already?” quizzes:
Each chapter begins with a pre-chapter quiz.