作者：Todd Lammle
副书名：Cisco Certificated Network Associate Study Guide 5th Edition
出版日期：2005
出版社：Sybex
页数：706
ISBN：0-7821-4391-1
文件格式：PDF

Introduction
Welcome to the exciting world of Cisco certification! You have pickedup this book because you want something better—namely, a better jobwith more satisfaction. Rest assured that you have made a gooddecision. Cisco certification can help you get your first networkingjob, or more money and a promotion if you are already in the field.
Cisco certification can also improve your understanding of theinternetworking of more than just Cisco products: You will develop acomplete understanding of networking and how different networktopologies work together to form a network. This is beneficial to everynetworking job and is the reason Cisco certification is in such highdemand, even at companies with few Cisco devices.
Cisco is the king of routing and switching, the Microsoft of theinternetworking world. The Cisco certifications reach beyond thepopular certifications, such as the MCSE and CNE, to provide you withan indispensable factor in understanding today’s network—insight intothe Cisco world of internetworking. By deciding that you want to becomeCisco certified, you are saying that you want to be the best—the bestat routing and the best at switching. This book will lead you in thatdirection.