CCNA Cisco Certified Network Associate Study Guide (Exam 640-802), 3rd Edition

To Natalie, my loving wife, and our two children, Alina and Nika.

ACKNOWLEDGMENTS

I would like to thank the following people:

 

 

   This book would not have been possible without the support of my wife, Natalie. A book of this size is very time-consuming, especially when you have to balance a book, a job, and, most importantly, a family. My wife provided endless encouragement to keep me writing when I was pressed to meet deadlines for the book.

   A special thanks to Matt and Angela Walker for providing excellent feedback and encouragement on the ...