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Nortel 920-808

920-808

Exam Code: 920-808

Exam Name: Real-Time Networking Technologies

Updated: Aug 25, 2026

Q & A: 67 Questions and Answers

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About Nortel 920-808 Exam

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Nortel 920-808 Exam Syllabus Topics:

SectionObjectives
Topic 1: Voice and Multimedia over IP- Streaming and multimedia delivery
  • 1. Buffering and jitter control
    • 2. Real-time streaming constraints
      - VoIP principles
      • 1. Codec selection and impact on quality
        • 2. Voice packetization and encoding
          Topic 2: Quality of Service (QoS)- QoS implementation
          • 1. DiffServ concepts
            • 2. Congestion management techniques
              - QoS mechanisms
              • 1. Traffic shaping and policing
                • 2. Traffic prioritization and classification
                  Topic 3: Real-Time Networking Fundamentals- IP networking basics for real-time traffic
                  • 1. Transport protocols (UDP vs TCP for real-time services)
                    • 2. IPv4 transport behavior
                      - Network performance metrics
                      • 1. Latency, jitter, and packet loss
                        • 2. Bandwidth and throughput considerations
                          Topic 4: Real-Time Signaling and Control- Call signaling protocols
                          • 1. H.323 concepts
                            • 2. SIP fundamentals
                              - Session management
                              • 1. Session setup and teardown
                                • 2. Media negotiation principles

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