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Cisco 642-311 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cisco ONS Platforms | 25% | - Hardware components and cards - Software and management interfaces - ONS 15454 system overview |
| Topic 2: Provisioning & Configuration | 20% | - Network synchronization and timing - Circuit provisioning and protection schemes - Performance monitoring and alarms |
| Topic 3: Optical Transport Technologies | 25% | - Optical amplifiers and regeneration - Multiplexing and demultiplexing - Optical transmission principles |
| Topic 4: SONET Fundamentals | 20% | - Signal levels: OC-1, OC-3, OC-12, OC-48, OC-192 - SONET architecture and hierarchy - Frame structure and overhead bytes |
| Topic 5: Maintenance & Troubleshooting | 10% | - Common failure scenarios and recovery - Fault isolation and troubleshooting procedures |
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