| A | B |
| ring | connects one host to the next and the last host on the first. |
| extended star | links individual stars together by linking the hubs/switches |
| mesh | is used when there can be absoultely no break in communications |
| star | connects all cables to a central point |
| bus | uses a single backbone segment that all the hosts connect to directly |
| hierarachical | system linked to a computer that controls the traffic on the topolgy |
| logical-token | controls network access by passing an electronic token sequentially host |
| log-broadcast | each host sends its data to all other host on the network medium |
| repeater | regenerates and retime network signals at the bit level |
| hub | to regenerate and retime network signals |
| media | carry flow of informaton in form of bits&bytes |
| NIC | network interface card |
| switch | network device that filters forward and floods frames on the destination address of each time |
| router | uses one or more metrics to determine the optional path along which network traffic should be forwarded |
| bridge | device that connected and passes packets between two network segments |
| cloud | internet |