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Nortel 920-521 Exam Syllabus Topics:
| Section | Objectives |
| Design and Engineering Principles | - Network integration design
- 1. Service provider interoperability
- 2. Enterprise network integration
- Solution design considerations
- 1. Capacity planning and scalability
- 2. High availability and redundancy design
|
| Call Processing and Services | - Call routing and control
- 1. Dial plan design and implementation
- 2. Routing policies and call flows
- Feature services
- 1. Unified communications services
- 2. Advanced telephony features
|
| Operations, Troubleshooting and Maintenance | - Troubleshooting methodologies
- 1. Call failure analysis
- 2. Network issue diagnosis
- System monitoring
- 1. Performance monitoring tools
- 2. Fault detection and alerting
|
| ACE Architecture Overview | - Protocol and signaling foundations
- 1. VoIP and signaling principles
- 2. Interworking with legacy telephony systems
- System architecture and components
- 1. Service delivery architecture
- 2. Core network elements and roles
|
| Quality of Service and Performance | - QoS design
- 1. Bandwidth management strategies
- 2. Traffic prioritization mechanisms
- Performance optimization
- 1. Network tuning techniques
- 2. Latency and jitter control
|