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Nortel Nortel Other Certification 920-504

920-504

Exam Code: 920-504

Exam Name: Carrier Ethernet Operations

Updated Time: Jul 21, 2026

Q & A: 50 Questions and Answers

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Nortel 920-504 Exam Syllabus Topics:

SectionObjectives
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
          Carrier Ethernet Transport Technologies- Resiliency mechanisms
          • 1. Protection switching (ring/mesh)
            • 2. Redundancy protocols
              - Metro transport infrastructure
              • 1. Optical transport integration
                • 2. MPLS in carrier Ethernet environments
                  Carrier Ethernet Operations & Maintenance- Fault management
                  • 1. Troubleshooting Ethernet services
                    • 2. Link monitoring and alarms
                      - Performance monitoring
                      • 1. Latency and jitter analysis
                        • 2. Traffic measurement tools
                          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

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