Netwroking

A  computer network  is a  digital   telecommunications network  which allows  nodes  to share resources. In computer networks,  computing devices   exchange data  with each other using connections ( data links ) between nodes.  These data links are established over  cable media  such as wires or optic cables, or  wireless media  such as  Wi-Fi . Network computer devices that originate,  route  and terminate the data are called network nodes. [1]  Nodes are generally identified by  network addresses , and can include  hosts  such as  personal computers ,  phones , and  servers , as well as  networking hardware  such as routers and switches.  Two such devices can be said to be networked together when one device is able to exchange information with the other device, whether or not they have a direct connection to each other. In most cases, a...