**Want to get this Study Guide in Paperback with complementary Printable PDF and 500+ Practice Exam Questions, or access to ExamSkope(TM)? Come Join us at CCIEin8Weeks website for instant download** This all-purpose CCIE study guide methodically and precisely covers all of the objectives of the CCIE R&S Written Exam 400-101 (V5.1) for CCNP and CCNA professionals, and recert candidates who would prefer an in-depth review. Every chapter contains an Exam Essentials section to help reinforce key concepts to pass the exam. Contents at a Glance: Part I Network Principles Part II Layer 2 Technologies Part III Layer 3 Technologies Part IV VPN Technologies Part V Infrastructure Security Part VI Infrastructure Services Part VII Evolving Technologies
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