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The official self-study test preparation guide for the Cisco CCNP BCRAN exam 642-821 This best-selling study guide helps you master all the topics on the new BCRAN exam, including: Queuing strategies and optimizing traffic with data compression Using and troubleshooting ISDN (BRI and PRI) Frame Relay technologies, including Frame Relay Traffic Shaping TACACS+ and RADIUS authentication services for AAA implementations VPN network security options Snapshot routing for dynamic routing in DDR environments Determining site requirements for central, branch, and remote site offices Network Address Translation (NAT) definitions and configuration PPP over Ethernet (PPPoE) and PPP over ATM (PPPoA) Implementing broadband technologies, including DSL CCNP BCRAN Exam Certification Guide, Second Edition, is a best-of-breed Cisco(r) exam study guide that has been completely updated to focus specifically on the objectives for the new BCRAN exam. Inside, you find preparation hints and test-taking tips to help you identify areas of weakness and improve both your conceptual and hands-on knowledge of virtual private networking (VPN) and broadband technologies, with special emphasis on issues such as security and quality of service (QoS). CCNP BCRAN Exam Certification Guide, Second Edition, presents you with an organized test preparation routine through the use of proven series elements and techniques. Do I Know This Already? quizzes open each chapter and allow you to decide how much time you need to spend on each section. Chapter subject lists and Foundation Summary tables make referencing easy and give you a quick refresher whenever you need it. Challenging chapter-ending review questions help you assess your knowledge and reinforce key concepts. An entire chapter of scenarios helps you think about exam objectives in real-world situations, thus increasing recall during exam time. The companion CD-ROM contains a powerful new testing engine that allows you to focus on individual topic areas or take a complete, timed exam. The assessment engine also tracks your performance and provides feedback and remediation to the text. Well-regarded for its level of detail, assessment features, challenging review questions, and hands-on exercises, this book helps you master the concepts and techniques that will enable you to succeed on the exam the first time. CCNP BCRAN Exam Certification Guide, Second Edition, is part of a recommended study program from Cisco Systems(r) that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit www cisco.com/go/authorizedtraining. Brian Morgan, CCIE(r) No. 4865, is a certified Cisco Systems instructor teaching the ICND, BSCI, CVOICE, BCRAN, CBCR, CIT, and CATM courses, among others. He is currently providing consulting services for Paranet Solutions, a premier, nationwide consulting firm. Craig Dennis is an independent consultant for LANS UnLimited, specializing in small business solutions, primarily SDSL and ADSL installations. Craig is a certified Cisco Systems instructor and is certified to teach ICND, BSCI, BCRAN, CID, and BCMSN. Craig holds the CCDP(r) certification.