Cisco IP Telephony Design Specialist Certification

642-415 exam is associated with Cisco IP Telephony Design Specialist, its duration is 90 minutes with 35-45 questions and its available into two languages English and Japanese. This exam is focuses on Determine the relevant critical business and technical needs, Determine the appropriate deployment model to meet Cisco Unified Communications design requirements, Design a Cisco Unified Communications manager cluster, design the dial plan to support Cisco unified communications requirements, Design a LAN telephony to support voice and data, Design a WAN topology to support voice on a converged Cisco Unified Communications networks, Design connectivity, Design VoIP, Design a QoS, Design media resources, determine environmental requirements and identify the security concerns.

Testking 650-251 exam is associated with Cisco lifecycle services for advanced unified communications certification, its duration is 45 minutes with 35-45 questions. This exam is available in two languages English and Japanese and focuses on Cisco lifecycle services for advanced unified communications and value of the Cisco Lifecycle services for advanced unified communications.

642-642 exam is associated with CCIP, CCVP, IP Telephony Design specialist, IP Telephony Express Specialist, IP Telephony operations specialist and IP Telephony Support Specialist. Its duration is 90 minutes and having 45-55 questions. 642-642 exam is available in two languages English and Japanese and focuses on IP QoS Fundamentals, IP QoS Components, Modular QoS CLI and Auto -QoS, Classification and Marking, Congestion Management Methods, Congestion Avoidance Methods, Traffic Policing and Shaping, Link Efficiency Mechanism and QoS best practices.

A valid CCDA certification or any CCIE certification can act as prerequisites and for recertification retake and pass all exams for each specialist certification, keep in your mind included all exams whether refresh or not. Second option is pass a current CCIE or CCDE written exam.

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