Book excerpt: CCVP GWGK Quick Reference Sheets (Digital Short Cut) Brion Washington ISBN: 1-58705-324-1 As a final preparation tool providing a review of GWGK exam topics, the CCVP GWGK Quick Reference Sheets complement the official Cisco curriculum, other books, or other exam preparatory material. This digital Short Cut provides you with detailed, graphical-based information, highlighting the key topics on the latest GWGK exam in a quick-review format. These fact-filled Quick Reference Sheets allow certification candidates to get all-important information at a glance, helping you to focus your study on areas of weakness and to enhance memory retention of important concepts. The CCVP certification recognizes a candidate's ability to create an IP telephony solution that is transparent, scalable, and manageable. Earning a CCVP certification validates a robust set of skills in implementing, operating, configuring, and troubleshooting a converged IP network. The certification content focuses on Cisco Systems Unified CallManager, quality of service (QoS), gateways, gatekeepers, IP phones, voice applications, and utilities on Cisco routers and Cisco Catalyst switches. The Cisco Gateway Gatekeeper exam (GWGK 642-453) tests your 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.