**Want this Study Guide in Printable PDF ($24.99) or 100+ Practice Exam Questions ($29.99), 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 Service Provider Written Exam 400-201 (V4.0). Every chapter contains an Exam Essentials section to help reinforce key concepts to pass the exam. Contents at a Glance: Part I Service Provider Architecture and Evolution Part II Core Routing Part III Service Provider Based Services Part IV Access and Aggregation Part V High Availability and Fast Convergence Part VI Service Provider Security, Service Provider Operation and Management