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Nortel 920-521 Exam Syllabus Topics:

SectionObjectives
Topic 1: Quality of Service and Performance- Performance optimization
  • 1. Latency and jitter control
    • 2. Network tuning techniques
      - QoS design
      • 1. Traffic prioritization mechanisms
        • 2. Bandwidth management strategies
          Topic 2: ACE Architecture Overview- System architecture and components
          • 1. Core network elements and roles
            • 2. Service delivery architecture
              - Protocol and signaling foundations
              • 1. Interworking with legacy telephony systems
                • 2. VoIP and signaling principles
                  Topic 3: Call Processing and Services- Feature services
                  • 1. Unified communications services
                    • 2. Advanced telephony features
                      - Call routing and control
                      • 1. Dial plan design and implementation
                        • 2. Routing policies and call flows
                          Topic 4: Operations, Troubleshooting and Maintenance- Troubleshooting methodologies
                          • 1. Call failure analysis
                            • 2. Network issue diagnosis
                              - System monitoring
                              • 1. Fault detection and alerting
                                • 2. Performance monitoring tools
                                  Topic 5: Design and Engineering Principles- Network integration design
                                  • 1. Enterprise network integration
                                    • 2. Service provider interoperability
                                      - Solution design considerations
                                      • 1. Capacity planning and scalability
                                        • 2. High availability and redundancy design

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