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