| A | B |
| Ethernet Cable | a way to connect computers to a network |
| LAN | a connected group of computers that are close to each other |
| Network | a group of computers that are connected to each other |
| Router | connects multiple computers to each other as well as to a WAN |
| Server | manages the flow of information on a network |
| WAN | a connected group of computers that are not close to each other |
| Network Topology | the actual arrangement of computers in a network (3 types) |
| Network Interface Card | all computers on a network need this to communicate to other computers |