It provides stability, consistant power, expandability, and configurability. As the foundation it is a common connection point for all case-bound devices. It further controls the so-called Front Side Bus speed of the computer. Top Networking Networking actually is a group of similar but functionally different tasks. This document discusses the basic concepts of networking, not the entire scope.
Topology is the arrangement of the various parts of the network.
The types describe how information is handled across the system. Star topologies connect each computer to a central hub so data can travel quickly between computers. This formation is the easiest to manage and upgrade but will fail if the central hub is down. Rings are more stable because data can only flow in one direction along a common path. However, travel is slower and prone to possible node bottlenecks.