Introduction

Welcome to CCNA Routing and Switching! This book is the result of a massive redesign by Cisco of their entry-level certification exams to more closely align with indus-try’s need for networking talent as we enter into the era of “the Internet of Everything.” The success of the previous two editions of this book prompted Cisco Press to approach me with a request to update the book with the necessary new content to help both students and IT professionals in the field study and prepare for the new CCNA Routing and Switching exam. For someone who originally thought that this book would be less than 100 pages in length and limited to the Cisco Networking Academy program for its complete audience, I am continually amazed that my little ...

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