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

  • Exam Code: 920-521
  • Exam Name: Nortel Agile Comm Environment (ACE) Rls. Design&Engineering
  • Updated: Sep 08, 2026
  • Q & A: 100 Questions and Answers

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Nortel 920-521 Exam Syllabus Topics:

SectionObjectives
Operations, Troubleshooting and Maintenance- Troubleshooting methodologies
  • 1. Network issue diagnosis
    • 2. Call failure analysis
      - System monitoring
      • 1. Performance monitoring tools
        • 2. Fault detection and alerting
          ACE Architecture Overview- Protocol and signaling foundations
          • 1. Interworking with legacy telephony systems
            • 2. VoIP and signaling principles
              - 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
                          Call Processing and Services- Call routing and control
                          • 1. Dial plan design and implementation
                            • 2. Routing policies and call flows
                              - Feature services
                              • 1. Advanced telephony features
                                • 2. Unified communications services
                                  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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