Gateway Gatekeeper Exam (GWGK): 642-453 Exam
"Gateway Gatekeeper Exam (GWGK)", also known as 642-453 exam, is a Cisco Certification. With the complete collection of questions and answers, PrepPDF has assembled to take you through 105 Q&As to your 642-453 Exam preparation. In the 642-453 exam resources, you will cover every field and category in CCVP Certification helping to ready you for your successful Cisco Certification.
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Cisco 642-453 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Implementing Gatekeepers | 30% | - Tech prefixes and E.164 resolution - Zone configuration and endpoint registration - Directory gatekeepers and hierarchical dial plans - Call Admission Control (CAC) |
| Gateway and Gatekeeper Overview | 15% | - Gatekeeper functions and H.323 standards - Gateway protocols: H.323, MGCP, SIP - Converged network architecture |
| Implementing Voice Gateways | 30% | - PSTN and TDM integration - Dial peers and call routing - SRST and gateway survivability - DSP resources and codec configuration |
| Advanced Features and Troubleshooting | 25% | - Monitoring and debugging tools - Interoperability with CUCM and PBX - COR and call restriction policies - Transcoding and conferencing |
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