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