Cisco QOS Exam Certification Guide

Official self-study test preparation guide for the Cisco QOS 642-642 exam. The official study guide helps you master all the topics on the QOS exam, including

• QoS concepts, tools, and architectures
• Modular QoS CLI (MQC), QoS Policy Manager (QPM), and AutoQoS
• Classification and marking
• Congestion management
• Traffic shaping and policing
• Congestion avoidance through drop policies
• Compression tools and link fragmenta…