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Updated: Sep 11, 2026
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Cisco 644-334 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Cisco SP Video Phase III: Cable Access Networks |
| Exam Number: | 644-334 |
| Exam Format: | Scenario-based questions, Multiple answer, Multiple choice |
| Related Certifications: | Cisco Service Provider Video Specialist Cisco Service Provider Network Specialist (legacy track) |
| Exam Duration: | 60-90 |
| Available Languages: | English |
| Sample Questions: | Cisco 644-334 Sample Questions |
| Exam Way: | Computer-based proctored exam delivered via Pearson VUE testing centers or online proctoring (depending on availability) |
| Pre Condition: | Recommended knowledge of Cisco Service Provider Video Phase I and II concepts; general understanding of cable access and DOCSIS technologies |
Cisco 644-334 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Cable Access Network Fundamentals | - DOCSIS standards and operation principles - Hybrid Fiber-Coaxial (HFC) architecture |
| Topic 2: Quality of Service and Traffic Management | - QoS mechanisms for video and data traffic - Bandwidth allocation and congestion control |
| Topic 3: Video over Cable Networks | - Edge QAM and video delivery mechanisms - MPEG transport and IP video integration |
| Topic 4: Cable Broadband Technologies | - Downstream and upstream channel management - Cable Modem Termination System (CMTS) |
| Topic 5: Operations, Troubleshooting and Maintenance | - Performance monitoring and diagnostics - Fault detection in cable access networks |
| Topic 6: Provisioning and Service Activation | - Cable modem provisioning workflows - DHCP, TFTP, and configuration file processes |
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