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Nortel 920-504 Exam Syllabus Topics:

SectionObjectives
Carrier Ethernet Transport Technologies- Resiliency mechanisms
  • 1. Protection switching (ring/mesh)
    • 2. Redundancy protocols
      - Metro transport infrastructure
      • 1. MPLS in carrier Ethernet environments
        • 2. Optical transport integration
          Carrier Ethernet Services- Service types
          • 1. E-Line services
            • 2. E-LAN services
              • 3. E-Tree services
                - Service attributes
                • 1. Bandwidth profiles
                  • 2. QoS mechanisms
                    Carrier Ethernet Operations & Maintenance- Performance monitoring
                    • 1. Traffic measurement tools
                      • 2. Latency and jitter analysis
                        - Fault management
                        • 1. Link monitoring and alarms
                          • 2. Troubleshooting Ethernet services
                            Carrier Ethernet Fundamentals- Ethernet protocols and standards
                            • 1. Ethernet OAM basics
                              • 2. VLAN tagging and QinQ
                                - Ethernet architecture in carrier networks
                                • 1. Metro Ethernet concepts
                                  • 2. Service delivery models

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