Summary

vAbout the Technical ReviewersDavid E. Johnson is a professor of information systems technology at New HampshireCommunity Technical College, Pease Campus in Portsmouth, New Hampshire. Among hiscertifications are A+, Net+, and CCNA. He received his B.A. and M.Ed. degrees from theUniversity of Maine in Orono, Maine.Scott Stephenson is in his sixth year as the Cisco Networking Academy instructor atBurleson High School. His teaching duties include Cisco Networking Academy CCNA 1–4,Cisco Networking Academy IT Essentials, business computer programming, web design,and business computer information systems. He also teaches networking at Tarrant CountyCollege, and technology applications for Burleson Continuing Education. He holds A+ ITTechnician, A+ Depot Technician, Server +, Network +, CCNA, Cisco Certified AcademyInstructor Trainer, Microsoft Office Specialist, WebYoda Associate Webmaster, WebYodaCertified Webmaster, and WebYoda Academy Instructor technology certifications. He wasthe band director at Ballinger High School in Ballinger, Texas, for 16 years before enteringthe technology field. He graduated from Angelo State University, with a bachelor’s degreein music education. In 2006, he earned a Master of Science: Management InformationSystems degree from Kenney-Western University.