| A | B |
| Twisted Pair Cable | UTP and STP are examples of |
| Coax Cable | Used for cable TV and in some older networks |
| Fibre Optic | Bounded media where signals transmitted by light |
| Infra Red | Unbounded media used for transmissions over a short distance |
| Satellite | Unbounded transmission between continents |
| Wireless | Unbounded media becoming popular in small networks |
| Attenuation | Loss of signal strength |
| Noise | Affects quality of signal |
| Repeater | Used to retransmit a signal |
| Broadband | Type of Internet connection used by most home users |