Cisco 642-453 Exam Information and Actual Questions
- Exam Code/Number: 642-453
- Exam Name/Title: Gateway Gatekeeper Exam (GWGK)
- Certification Provider: Cisco
- Corresponding Certification: CCVP
- Exam Questions: 105
- Updated On: Jul 18, 2026
642-453
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Cisco
642-453 Exam
Gateway Gatekeeper Exam (GWGK)
Cisco 642-453 Exam Overview:
| Certification Vendor: | Cisco |
| Exam Name: | Cisco Gateway Gatekeeper Exam (GWGK) |
| Exam Number: | 642-453 |
| Available Languages: | English |
| Related Certifications: | CCNP Voice (legacy) Cisco Unified Communications |
| Recommended Training: | Cisco Learning Network (legacy resources) |
| Exam Registration: | Cisco Certification Portal Pearson VUE Cisco Exams |
| Sample Questions: | Cisco 642-453 Sample Questions |
| Exam Way: | Computer-based exam (Pearson VUE), proctored testing center or online proctoring depending on availability |
| Pre Condition: | No strict official prerequisite; CCNA-level networking knowledge recommended. Often taken as part of legacy CCNP Voice track. |
| Official Syllabus URL: | https://www.cisco.com |
Cisco 642-453 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Call Admission Control | - Zone-based admission control - Bandwidth management and CAC policies |
| Topic 2: Gatekeeper Configuration and Operation | - RAS signaling and registration procedures - Zone configuration and neighbor relationships |
| Topic 3: Troubleshooting and Monitoring | - Debugging H.323 and gatekeeper logs - Performance and call flow analysis |
| Topic 4: Gatekeeper Fundamentals | - Gatekeeper role and call control functions - H.323 architecture and components |
| Topic 5: Dial Plan and Address Resolution | - Endpoint registration and resolution - E.164 addressing and number translation |
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