Cisco IP Telephony Design

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Cisco Practice Exam for 642-642 NetCert: Quality of Service

The 642-642 CCIP exam measures the knowledge and skills necessary to configure and troubleshoot Cisco IOS routers running Quality of Service protocols in Service Provider and Enterprise environments. The 642-642 CCIP test covers topics on IP QOS, classification and marking mechanisms, queuing mechanisms, traffic shaping and policing mechanisms, congestion avoidance mechanisms, link efficiency mechanisms, modular QOS command line interface,and QOS Best Practices.

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