Token Ring naturally uses the ring architecture. A mesh topology is usually found in a wide area network (WAN) to provide redundant paths between locations. See Ethernet and Token Ring.

In a network, this is often done through inputting a username and password. For networks that require high levels of security, this may include other factors. These are known as the three factors ...

Bus topologies are not widely used in modern networking as they are not well suited to dealing with large amounts of data. They are used when a small, cheap and often temporary network is needed ...