642-642 QOS
Quality of Service Exam
Cisco 642-642 Exam Description
The QOS exam is one of the qualifying exams for the Cisco Certified
Internetwork Professional, Cisco Certified Voice Professional, Cisco IP
Telephony Design Specialist, Cisco IP Telephony Express Specialist,
Cisco IP Telephony Operations Specialist, and Cisco IP Telephony Support
Specialist certifications. The QOS 642-642 exam will test materials
covered under the Implementing Cisco Quality of Service QOS v2.1
course. The exam will certify that the successful candidate has
knowledge and skills necessary to configure and troubleshoot Cisco
IOS routers running Quality of Service protocols in Service Provider
and Enterprise environments. The exam 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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