Computer Networks (Hardware)

  1. Network Hardware Specifications and Performance
    1. Bandwidth and Throughput
      1. Theoretical vs Actual Bandwidth
        1. Throughput Measurement
          1. Factors Affecting Performance
            1. Bandwidth Utilization
              1. Quality of Service Impact
              2. Latency and Delay
                1. Propagation Delay
                  1. Transmission Delay
                    1. Processing Delay
                      1. Queuing Delay
                        1. Jitter Characteristics
                          1. Latency Measurement Tools
                          2. Port Specifications
                            1. Port Speed Standards
                              1. Fast Ethernet (100 Mbps)
                                1. Gigabit Ethernet (1 Gbps)
                                  1. 10 Gigabit Ethernet
                                    1. 25 Gigabit Ethernet
                                      1. 40 Gigabit Ethernet
                                        1. 100 Gigabit Ethernet
                                        2. Port Density Considerations
                                          1. Auto-Negotiation Features
                                            1. Flow Control Mechanisms
                                            2. Duplex Operations
                                              1. Half-Duplex Communication
                                                1. Full-Duplex Communication
                                                  1. Collision Detection
                                                    1. Carrier Sense Multiple Access
                                                    2. Power over Ethernet
                                                      1. PoE Standards
                                                        1. IEEE 802.3af (PoE)
                                                          1. IEEE 802.3at (PoE+)
                                                            1. IEEE 802.3bt (PoE++)
                                                            2. Power Sourcing Equipment
                                                              1. PoE-Enabled Switches
                                                                1. Midspan Power Injectors
                                                                  1. Power Budget Management
                                                                  2. Powered Devices
                                                                    1. VoIP Phones
                                                                      1. Wireless Access Points
                                                                        1. IP Security Cameras
                                                                          1. LED Lighting Systems
                                                                          2. Power Delivery Methods
                                                                            1. Alternative A (Data Pairs)
                                                                              1. Alternative B (Spare Pairs)
                                                                                1. 4-Pair Power Delivery
                                                                              2. Redundancy and High Availability
                                                                                1. Hardware Redundancy
                                                                                  1. Redundant Power Supplies
                                                                                    1. Redundant Cooling Systems
                                                                                      1. Redundant Network Paths
                                                                                      2. Hot-Swappable Components
                                                                                        1. Power Supply Modules
                                                                                          1. Fan Modules
                                                                                            1. Interface Modules
                                                                                              1. Storage Drives

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                                                                                          6. Data Center and Enterprise Infrastructure

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                                                                                          8. Physical Network Design and Implementation