Official self-study exam preparation guides for Cisco QOS 642-642 exam. Official study guide helps you master all the topics on the QOS exam, including QoS concepts, tools, and architecture Modular QoS CLI (MQC), QoS Policy Manager (QPM), and AutoQoS Classification and marking Congestion management Traffic shaping and policing to avoid congestion through drop policies Compression tools and link fragmentation and interleaving (LFI) tools for link efficiency LAN QoS QoS best practices CCVP certification validates a robust set of skills in the implementation, operation, configuration, and troubleshooting a converged IP network. A solid understanding of quality-service-(QoS) features and implementation is essential for CCVP certification and is also a core component of the CCIP certification. Cisco QOS Exam Certification Guide, Second Edition, is the-best-breed Cisco exam study guide that focuses on goals for the QOS 642-642 exam. The materials are presented briefly, with a focus on increasing your understanding and retention of exam topics. Cisco QOS Exam Certification Guide, Second Edition, presents you with organized test preparation routine through the use of proven series elements and techniques. Well-regarded for the level of detail, assessment features, and challenging review questions and exercises, this book helps you master the concepts and techniques that will enable you to succeed on the exam the first time. Cisco QOS Exam Certification Guide, Second Edition, is part of a recommended learning path from Cisco Systems that includes simulation and hands-on training from the base of Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit www.cisco.com / go / authorizedtraining. Companion CD-ROM Accompanying CD-ROM contains a test bank with more than 300 practice questions, flash card format questions, and electronic versions of the text. CD-ROM test engine powered by www.boson.com.