Give students the technical skills and industry know-how to begin an exciting career installing, configuring, and troubleshooting computer networks with the completely updated NETWORK+ GUIDE TO NETWORKS, 7E. Prepare students for success on CompTIA's Network+ N10-006 certification exam with fully mapped coverage of all objectives, including protocols, topologies, hardware, network design, and troubleshooting. This edition addresses the latest developing technology with new organization and features that make essential information easily accessible and help students visualize high-level concepts. New OSI layer icons visually reinforce the link between concepts and the OSI model. New and updated "On the Job" stories, Applying Concepts activities, Hands-On and Case Projects help readers further explore chapter concepts. The NETWORK+ GUIDE TO NETWORKS, 7E's emphasis on real-world problem solving provides the tools students need to succeed in any computing environment.