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Nortel 920-808 Actual Tests : Real-Time Networking Technologies

920-808 actual test
  • Exam Code: 920-808
  • Exam Name: Real-Time Networking Technologies
  • Updated: Oct 05, 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 mechanisms
  • 1. Traffic prioritization and classification
    • 2. Traffic shaping and policing
      - QoS implementation
      • 1. Congestion management techniques
        • 2. DiffServ concepts
          Topic 2: 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 3: Real-Time Networking Fundamentals- Network performance metrics
                  • 1. Latency, jitter, and packet loss
                    • 2. Bandwidth and throughput considerations
                      - IP networking basics for real-time traffic
                      • 1. Transport protocols (UDP vs TCP for real-time services)
                        • 2. IPv4 transport behavior
                          Topic 4: Voice and Multimedia over IP- VoIP principles
                          • 1. Voice packetization and encoding
                            • 2. Codec selection and impact on quality
                              - Streaming and multimedia delivery
                              • 1. Real-time streaming constraints
                                • 2. Buffering and jitter control

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