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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The Securing Networks With Cisco Routers and Switches exam (SNRS 642-503) is one of the exams associated with the Cisco Certified Security Professional certification. Candidates can prepare for this exam by taking the SNRS v2.0 course. This exam includes simulations and tests a candidate’s knowledge and ability to secure networks using Cisco routers and switches.

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The Securing Hosts Using Cisco Security Agent exam 642-513 HIPS is one of the exams associated with the Cisco Certified Security Professional certification. Candidates can prepare for this exam by taking the HIPS v3.0 course. This exam tests a candidate’s knowledge and ability to describe, configure, and verify the Cisco Security Agent product.

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The Gateway Gatekeeper 642-453 GWGK is the exam associated with the CCVP certification. Candidates can prepare for this exam by taking the Gateway Gatekeeper (GWGK) course. This exam tests a candidate’s knowledge of the implementation of Cisco gateways and gatekeepers, including integration of a VoIP network to both PSTN and TDM equipment. Topics covered include implementing dial plans and advanced gateway features such as SRST and DSP resources, implementing gatekeepers and directory gatekeepers to provide hierarchical dial plan resolution, and call admission control.

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The Cisco Voice over IP 642-432 CVOICE exam is associated with the CCVP, Cisco IP Communication Support Specialist, and Cisco Rich Media Communications Specialist certifications. Candidates can prepare for this exam by taking the Cisco Voice Over IP (CVOICE) course. This exam assesses a candidate’s knowledge of how to implement and support data and voice integration solutions at the network-access level. Topics covered include basic IP Telephony operation, router configuration, support, troubleshooting, and integration with an existing PSTN network.

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The Optimizing Converged Cisco Networks (642-845 ONT) is a qualifying exam for the Cisco Certified Network Professional CCNP. The ONT 642-845 exam will certify that the successful candidate has important knowledge and skills in optimizing and providing effective QOS techniques for converged networks. The exam topics include implementing a VOIP network, implementing QoS on converged networks, specific IP QoS mechanisms for implementing the DiffServ QoS model, AutoQoS, wireless security and basic wireless management.

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