| A | B |
|---|
| Ring | Connection of two or more stations in a logically circular topology. Information is passed sequentially between active stations. Token Ring, FDDI, and CDDI are based on this topology. |
| Mesh | Network topology in which devices are organized in a manageable, segmented manner with many, often redundant, interconnections strategically placed between network nodes. |
| Star | LAN topology in which end points on a network are connected to a common central switch by point-to-point links. |
| Extend star | Multipule stars wich are :LAN topology in which end points on a network are connected to a common central switch by point-to-point links. |
| Bus | Linear LAN architecture in which transmissions from network stations propagate the length of the medium and are received by all other stations. |
| Hierarchical | A hierarchical topology is created similar to an extended star but instead of linking the hubs/switches together, the system is linked to a computer that controls the traffic on the topology. |
| Logical-token | Token-passing controls network access by passing an electronic token sequentially to each host. When a host receives the token, that means that that host can send data on the network |
| Logical-broadcasting | Broadcast topology simply means that each host sends its data to all other hosts on the network medium. |
| Repeater | Device that regenerates and propagates electrical signals between two network segments. |
| Hubs | Hardware or software device that contains multiple independent but connected modules of network and internetwork equipment. |
| Media | The various physical environments through which transmission signals pass. Common network media include twisted-pair, coaxial and fiber-optic cable, and the atmosphere (through which microwave, laser, and infrared transmission occurs). |
| Nic | .) Network interface card. Board that provides network communication capabilities to and from a computer system. Also called an adapter. |
| Switch | Network device that filters, forwards, and floods frames based on the destination address of each frame. The switch operates at the data link layer of the OSI model |
| Router | Network layer device that uses one or more metrics to determine the optimal path along which network traffic should be forwarded. Routers forward packets from one network to another based on network layer information. Occasionally called a gateway (although this definition of gateway is becoming increasingly outdated). |
| Bridge | Device that connects and passes packets between two network segments that use the same communications protocol. Bridges operate at the data link layer (layer 2) of the OSI reference model. In general, a bridge will filter, forward, or flood an incoming frame based on the MAC address of that frame. |
| Cloud | Internet |
