Cisco DQOS Exam Certification Guide (IP Telephony Self-Study) (Repost)

The official self-study test preparation guide for the Cisco DQOS 9E0-601 and QOS 642-641 exams

This official study guide helps you master all the topics on the DQOS exam, including:

- QoS concepts, tools, and architectures;
- Classification and marking concepts and tools;
- Queuing in Cisco routers and configuration of queuing tools;
- Traffic policing and shaping in Cisco routers;
- Configuration of congestion avoidance tools;
- Configuration of link-efficiency tools;
- Call admission control (CAC) tools for voice and video connections;
- Cisco QoS management tools;
- QoS design processes;
- QoS on LAN switches;

The Cisco IP Telephony Support, Design, and Operations Specialist focused certifications validate proficiency in designing, installing, and supporting a multiservice network solution. A solid understanding of quality-of-service (QoS) features and implementation is essential for all of the Cisco IP Telephony focused certifications and is also a core component of the CCIP™ certification.

Cisco DQOS Exam Certification Guide is a best-of-breed Cisco(r) exam study guide that focuses specifically on the objectives for the DQOS exam. Senior instructor and best-selling author Wendell Odom and senior Cisco AVVID consultant Michael Cavanaugh share preparation hints and test-taking tips, helping you identify areas of weakness and improve your QoS knowledge. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.