Network connectivity describes the extensive process of connecting various parts of a network to one another, for example, through the use of routers, switches and gateways, and how that process works.
Network connectivity is also a kind of metric to discuss how well parts of the network connect to one another. Related terms include network topology, which refers to the structure and makeup of the network as a whole.
There are many different network topologies including hub, linear, tree and star designs, each of which is set up in its own way to facilitate connectivity between computers or devices. Each has its own pros and cons in terms of network connectivity.