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Updated: Sep 14, 2026
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Cisco 642-436 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Cisco Voice over IP (CVOICE) |
| Exam Number: | 642-436 |
| Exam Price: | USD 150 |
| Exam Duration: | 75 minutes |
| Available Languages: | English |
| Real Exam Qty: | 55-65 |
| Exam Format: | Multiple Choice, Scenario-based Questions, Multiple Answer |
| Passing Score: | Approximately 790/1000 (historical, may vary by exam version) |
| Certificate Validity Period: | Certification validity followed the CCVP recertification policy (historically 3 years) |
| Related Certifications: | Cisco Certified Voice Professional (CCVP) |
| Sample Questions: | Cisco 642-436 Sample Questions |
| Exam Way: | Pearson VUE authorized testing center (onsite, historical delivery) |
| Pre Condition: | Historically, an active CCNA certification was required to earn the associated CCVP certification. The exam itself could generally be taken independently. |
| Official Syllabus URL: | https://learningnetwork.cisco.com/ |
Cisco 642-436 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Quality of Service | - QoS for voice traffic
|
| Topic 2: Media Resources | - Voice media services
|
| Topic 3: Signaling Protocols | - Call signaling technologies
|
| Topic 4: Voice Security and Troubleshooting | - Operations and maintenance
|
| Topic 5: Voice Gateways and Dial Plans | - Gateway implementation
|
| Topic 6: Voice over IP Technologies | - VoIP fundamentals
|
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