New edition covering the new 2005 Network+ exam objectives! In just a short time, readers can be thoroughly prepared to take and pass the Network+ Exam. Written for students and professionals seeking Network+ certification, this compact, easy-to-read study guide gets directly to the point by covering the most important concepts you need to know to pass the exam. Reviewed by CompTIA, the book has received the CompTIA's Quality Authorized Curriculum (CAQC) seal of approval. The text features skills-based "Knowledge Tests" to help prepare readers for the types of questions they are likely to encounter during the exam. "Test Tips" throughout the book highlight and recall important concepts.