In order for the communication to take place, cables play important role. Cable is the medium through which information usually moves from one network device to another. There are several types of cable which are commonly used with LANs. The type of cable chosen for a network is related to the networks topology, protocol, and size.  There are various types of cables used in networks as follows:- Unshielded Twisted Pair (UTP) Cable,Shielded Twisted Pair (STP) Cable,Coaxial Cable,Fiber Optic Cable.