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Topologys & IOT
Wired Network Topologys and Internet of Things
| Question | Answer |
|---|---|
| Bus Topology | Uses a single cable where each device taps into by using either a vampire tap or a T-connector |
| Ring Topology | Uses a cable running in a circular loop where each device connects to the ring but data travels in a singular direction |
| Token Ring | Ring topology that uses an electronic token to prevent collisions when communicating on the network |
| Star Topology | Most popular physical LAN topology where devices connect to a single point (If central device fails, all others fail) |
| Hub & Spoke Topology | Similar to star but with WAN links instead of LAN connections and it is used for connecting multiple sites |
| Full-Mesh Topology | Optimal routing is always available as every node connects to every other node(x=n(n-1)/2) |
| Partial-Mesh Topology | Hybrid of the full-mesh and the hub & spoke topology |
| 802.11 | Wireless networks that can operate in infrastructure or ad hoc modes |
| Bluetooth | Low energy use variant of Bluetooth which allows for a mesh network |
| Radio-Frequency Identification(RFID) | Uses electromagnetic fields to read data stored in embedded tags |
| Near-field communications(NFC) | Enables two devices to communicate within a 4-cm range |
| Infrared(IR) | Operates with line of sight |
| Z-wave | Provides short-ranged. low-latency data transfer with slower rates and less power consumption then Wi-Fi |
| ANT+ | Collection and transfer of sensory data |
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