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About the Author
Wendell Odom, CCIE No. 1624, is the most respected author of Cisco networking books in the world. His books are known
for their technical depth and accuracy. Wendell has worked as a network engineer, consultant, instructor, course
developer, and book author, and he has produced videos, software, and blogs related to Cisco certifications. His
website, with links to various study tools and resources, is at www.certskills.com.
Sean Wilkins is an accomplished networking consultant for SR-W Consulting (www.sr-wconsulting.com) and writer/editor
for infoDispersion (www.idisperse.info). Sean has been in the IT field for more than 15 years, working with companies
such as Cisco, Lucent, Verizon, and AT&T as well as several other private companies. Sean holds certifications with
Cisco (CCNP/CCDP), Microsoft (MCSE), and CompTIA (A+ and Network+). His educational accomplishments include a master of
science in information technology with a focus in network architecture and design, a master of science in organizational
management, a master’s certificate in network security, a bachelor of science in computer networking, and an associate
of applied science.