Network+ Guide to Networks, Fourth Edition is designed to prepare users for CompTIA's newly-revised 2005 Network+ certification exam and will also offer mapping features to the exam objectives. As in previous editions, this text presents current coverage of networking hardware and software along with the skills necessary to succeed in the dynamic field of networking. This book is designed to fit any Introduction to Networking course, with thorough explanations of networking fundamentals such as protocols, network design and implementation, and troubleshooting and support. Full color content maps completely to the 2005 CompTIA Network+ Certification Exam, with in-depth coverage of all objectives. On The Job stories at the beginning of each chapter provide a real-world context for the technology and concepts presented. Network+ certification icons in the margins highlight all the materials related to the exam. Features extensive learning tools, including Review Questions, Hands-On Projects, and Case Projects, which allow students to practice skills as they are learned. Includes a CD that features CoursePrep from MeasureUp, a company approved by Microsoft to develop MCP Exam test prep software offering demos and practice exams. -- Publisher.