• Topology, Protocols, and Architecture are the three features that are commonly used to classify networks. There is no server in a peer-to-peer networking architecture, and machines simply connect in a workgroup to share files, printers, and Internet access.
• The topology of a network describes its geometric layout. The bus, ring, and star are all common topologies. 
• Protocol defines a set of rules and signals that all computers on a network must follow in order to communicate. The majority of networks utilise Ethernet, while some employ IBM's Token Ring technology. Ethernet is a good choice for both home and office networking. 
• Peer-to-peer or client/server network architecture are the two main types of network architecture. There is no server in a peer-to-peer networking architecture, and machines simply connect in a workgroup to share files, printers, and Internet access.

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