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Nortel 920-521 : Nortel Agile Comm Environment (ACE) Rls. Design&Engineering

920-521

Exam Code: 920-521

Exam Name: Nortel Agile Comm Environment (ACE) Rls. Design&Engineering

Updated: Sep 15, 2026

Q & A: 100 Questions and Answers

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Nortel 920-521 Exam Syllabus Topics:

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

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