Nortel Ncse callpilot 2.x/3.0 unified messaging 920-453 Certified Exam Dumps

920-453 Exam Dumps

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Certification Provider: Nortel
Exam Code / Number: 920-453
Exam Name: Ncse callpilot 2.x/3.0 unified messaging
Exam Questions: 61
Last Updated: Jun 29, 2026
Corresponding Certification: NCSE

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Nortel 920-453 Exam Syllabus Topics:

SectionObjectives
VPN Technologies- MPLS VPN services
  • 1. Layer 3 VPN configuration
    • 2. Layer 2 VPN concepts
      - Security in VPNs
      • 1. VPN scalability considerations
        • 2. Isolation and segmentation techniques
          Network Operations and Troubleshooting- Fault resolution
          • 1. Common MPLS failure scenarios
            • 2. Service restoration procedures
              - Monitoring and diagnostics
              • 1. MPLS network troubleshooting tools
                • 2. Performance monitoring techniques
                  MPLS Architecture and Fundamentals- MPLS concepts and label switching
                  • 1. MPLS forwarding mechanisms
                    • 2. Label distribution protocols (LDP, RSVP-TE)
                      - MPLS network design
                      • 1. Core and edge router roles
                        • 2. Traffic engineering basics
                          Routing Protocols in Carrier Networks- IGP and EGP integration
                          • 1. OSPF and IS-IS in MPLS environments
                            • 2. BGP route propagation
                              - Route optimization
                              • 1. Policy-based routing concepts
                                • 2. Route summarization techniques
                                  QoS in Carrier Networks- Traffic classification and marking
                                  • 1. DiffServ model implementation
                                    • 2. Packet prioritization methods
                                      - Congestion management
                                      • 1. Bandwidth allocation strategies
                                        • 2. Queue management techniques


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