This exam certifies that candidates know the layers of the OSI model, can describe the features and functions of network components, and have the skills needed to install, configure, and troubleshoot basic networking hardware peripherals and protocols. The Network+ exam, developed by CompTIA, is only two years old but already is held by 50,000 individuals (an adoption rate that is even faster than A+, CompTIA's flagship certification). It is now being taught in schools and has grown 120% in the past year. Currently, 4,000 candidates are sitting the Network+ exam each month. The certification is endorsed by Microsoft (as part of its popular new MCSA program), Cisco, Novell, and 3Com, among others. Readers preparing for this exam find the best-selling Exam Cram2 series to be the smartest, most efficient way to become certified. This book focuses on exactly what readers need to get certified now, featuring test-taking strategies, time-saving study tips, and a special Cram Sheet that includes tips, acronyms, and memory joggers that are not available anywhere else. ExamCram2 also features PrepLogic" Practice Tests!