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Real Cisco 644-334 practice exam questions for easy pass!
Updated: Jul 30, 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 |
| Available Languages: | English |
| Related Certifications: | Cisco CCIE Service Provider Cisco Service Provider Video Specialist |
| Exam Format: | Multiple choice, Multiple answer |
| Sample Questions: | Cisco 644-334 Sample Questions |
| Exam Way: | Computer-based testing at authorized Pearson VUE testing centers or online proctored (depending on availability) |
| Pre Condition: | No strict prerequisites published; knowledge of service provider networks and cable technologies recommended. |
Cisco 644-334 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Cable Access Network Fundamentals | - Cable network topology and components - Hybrid Fiber-Coax (HFC) architecture |
| Topic 2: RF and Spectrum Management | - RF signal propagation in cable plants - Modulation techniques (QAM) - Noise, attenuation, and distortion management |
| Topic 3: Operations, Monitoring, and Troubleshooting | - Service continuity and redundancy mechanisms - Fault detection in cable access networks - Performance monitoring and KPIs |
| Topic 4: DOCSIS Technologies | - Cable modem registration and provisioning - DOCSIS protocol overview - Downstream and upstream channel operations |
| Topic 5: Video Services over Cable Networks | - DVB and digital video delivery - MPEG transport streams - IPTV integration over cable infrastructure |
| Topic 6: CMTS / CCAP Architecture | - Traffic management and scalability - CMTS functions and services - Converged Cable Access Platform (CCAP) |
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