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Cisco networking simplified second edition
Welcome, and thank you for taking a look at this book! Unlike the vast array of networking
books written by geeks for geeks, this book was written for you and for anyone who
wants to understand the computer networking phenomenon that has taken the world by
storm. (In other words, it’s by geeks for nongeeks.) We understand that the vast majority of
people working in this industry are not networking experts and that it is difficult to understand
complex technical and business issues before knowing the answers to such questions
as “How does the web work?,” “What is a router?,” and “What is an IP address?”
Whether you are a home computer user who has just purchased a broadband Internet connection
or a company executive who wants to understand what your IT staff is talking
about, this book is for you.
If you’ve decided that you want to make a career change, or if you are in school pursuing a
Cisco certification, we believe that this book will serve both as a good primer, introducing
the concepts of networking in clear and simple terms, and as a useful reference book as you
grow in your career.
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