Cisco Systems, Inc., is the worldwide leader in networking for the Internet. Cisco solutions, which include industry-leading publications from Cisco Press, educate and provide competitive advantage to customers through more efficient and timely exchange of information, leading to cost savings, process efficiencies, and closer business relationships. These solutions form the networking foundation for many organizations worldwide.
Mark McGregor, CCNP, CCDA, CCAI, is the regional coordinator for the Cisco Networking Academy Program at Los Medanos College, in Pittsburg, CA. He has taught in the Academy program since 1997, and currently works for Cisco Systems WorldWide Education on Academy-related projects. Mark holds a bachelor's degree in English from the University of California, Davis and has been a technical reviewer and contributor for Cisco Press since 1998. As a public-school instructor for more than seven years, he has enjoyed the opportunity to teach and learn from students of all ages and backgrounds. He lives in Antioch, California.