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内容説明 CompTIA Network+ Exam Cram， 4/e has been thoroughly revised to prepare candidates for the 2011 Network+ exam (N10-005) - the new version of the world’s #1 vendor-neutral baseline networking certification exam. Fully aligned with the new exam’s objectives， this edition presents extensive new coverage of security， wireless， and voice networking. Reflecting the attractive new Exam Cram design， it provides Cram Savers， quizzes， and all these proven features: * Chapters that map directly to the official exam objectives: complete foundational learning for all exam topics * An extensive collection of practice questions， including two full practice exams in the book， and another on CD * A state-of-the-art test engine providing real-time practice and feedback * Notes， tips， sidebars， cautions， test-taking strategies， and tips to make studying more effective and time-efficient * Exclusive Cram Sheet tear-out card with last-minute study tips， acronyms， and memory joggers available nowhere else This book brings together all the knowledge professionals need to walk into the exam room with confidence - and pass the Network+ exam.