Nortel 920-808 Valid Dump : Real-Time Networking Technologies

920-808 real exams

Exam Code: 920-808

Exam Name: Real-Time Networking Technologies

Updated: Sep 09, 2026

Q & A: 67 Questions and Answers

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Nortel 920-808 Exam Syllabus Topics:

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