Computer Networks (Hardware)

  1. Wide Area Network Hardware
    1. Modems
      1. Modulation and Demodulation
        1. Analog Modems
          1. Dial-Up Technology
            1. V.90 and V.92 Standards
              1. Speed Limitations
                1. PSTN Interface
                2. Digital Subscriber Line Modems
                  1. ADSL Technology
                    1. VDSL Technology
                      1. Line Filters and Splitters
                        1. Asymmetric vs Symmetric Speeds
                        2. Cable Modems
                          1. DOCSIS Standards
                            1. DOCSIS 1.0/1.1
                              1. DOCSIS 2.0
                                1. DOCSIS 3.0
                                  1. DOCSIS 3.1
                                    1. DOCSIS 4.0
                                    2. Hybrid Fiber-Coaxial Networks
                                      1. Shared Bandwidth Characteristics
                                      2. Fiber Modems
                                        1. Optical Network Terminals
                                          1. GPON Technology
                                            1. EPON Technology
                                              1. Fiber-to-the-Home Implementation
                                            2. WAN Interface Devices
                                              1. Channel Service Units
                                                1. T1/E1 Line Termination
                                                  1. Signal Conversion
                                                    1. Timing Recovery
                                                      1. Loop-Back Testing
                                                      2. Data Service Units
                                                        1. Digital Signal Processing
                                                          1. Error Detection
                                                            1. Performance Monitoring
                                                              1. Interface Conversion
                                                              2. Integrated CSU/DSU Units
                                                                1. Combined Functionality
                                                                  1. Router Integration
                                                                    1. Management Features
                                                                  2. Network Gateways
                                                                    1. Protocol Translation
                                                                      1. Network Interconnection
                                                                        1. Application Layer Gateways
                                                                          1. VoIP Gateways
                                                                            1. Email Gateways
                                                                              1. Security Gateways

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                                                                            4. Network Interconnection Devices

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                                                                            6. Data Center and Enterprise Infrastructure