NIC card is mainly used for connecting the two computers so that we want to fix the card in the computer so that the cable we use we use in the computer that easily connect so all the details of the computer can be viewed by the client. In this all the servers and client are being used so that the connection are being connected using the twistedpair cable so that each pair cables can be used flexiable .In the cables there are three types so that each process has the different recuirment and different speeds.suppose we can take another cable like fiberoptics in that it is used in the buildings they cannot be flexiable they travel at a high speed. so that dependings upon the cable we can increase the capablity
