642-642 Exam
Quality of Service (QoS)
* Exam Number/Code : 642-642
* Exam Name : Quality of Service (QoS)
* Questions and Answers : 181 Q&As
* Update Time: 2010-05-29
* Price: $ 79.00
Traffic Policing and Shaping
* Describe the purpose of traffic conditioning using traffic policing and traffic shaping and differentiate between the features of each
* Explain how network devices measure traffic rates using single rate or dual rate, single or dual token bucket mathematical models
* Identify the Cisco IOS commands required to configure and monitor single rate and dual rate CB-Policing
* Identify the Cisco IOS commands required to configure and monitor percentage based CB-Policing
* Explain how the two rate limits, average rate and peak rate, can be used to rate limit traffic
* Identify the Cisco IOS commands required to configure and monitor CB-Shaping
* Identify the Cisco IOS commands required to configure and monitor Frame Relay adaptive CB-Shaping on Frame Relay interfaces
Link Efficiency Mechanisms
* Explain the various link efficiency mechanisms and their function
* Identify the Cisco IOS commands required to configure and monitor CB header compression
* Given a list of link speeds and a specific delay requirement, determine the proper fragment size to use at each link speed and identify the typical delay requirement for VoIP packets
* Identify the Cisco IOS commands required to configure and monitor Multilink PPP with Interleaving
* Identify the Cisco IOS commands required to configure and monitor FRF.12
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