Nortel Nncse contivity security 920-449 Certified Exam Dumps

920-449 Exam Dumps

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Certification Provider: Nortel
Exam Code / Number: 920-449
Exam Name: Nncse contivity security
Exam Questions: 52
Last Updated: Jun 27, 2026
Corresponding Certification: NCSE

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Nortel 920-449 Exam Syllabus Topics:

SectionObjectives
Topic 1: QoS and Traffic Engineering- Traffic management
  • 1. Bandwidth allocation strategies
    • 2. QoS classification and marking
      - Performance optimization
      • 1. Latency and jitter control
        • 2. Congestion avoidance techniques
          Topic 2: VPN Technologies and Architecture- MPLS VPN integration
          • 1. Provider-provisioned VPN services
            • 2. Layer 2 vs Layer 3 VPNs
              - VPN fundamentals
              • 1. Tunneling protocols overview
                • 2. Site-to-site and remote access VPN concepts
                  Topic 3: Network Security Fundamentals- Security models and principles
                  • 1. Authentication and authorization mechanisms
                    • 2. Confidentiality, integrity, availability (CIA)
                      - Encryption technologies
                      • 1. IPSec architecture
                        • 2. Encryption and key management concepts
                          Topic 4: Operations and Troubleshooting- Issue resolution
                          • 1. Common VPN failure scenarios
                            • 2. Service restoration procedures
                              - Network monitoring
                              • 1. Fault detection and logging
                                • 2. VPN performance monitoring tools
                                  Topic 5: Carrier Grade Routing and VPN Services- Routing in VPN environments
                                  • 1. BGP for VPN route exchange
                                    • 2. Route segregation and VRF concepts
                                      - Service provisioning
                                      • 1. Customer edge and provider edge configuration
                                        • 2. VPN scalability considerations


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