LAN (Local Area Network) is a computer network covering a small geographic area, like a home, office, school, or group of buildings. High speed (1000 mbps). One LAN can be connected to other LANs over any distance via telephone lines and radio waves. Network in an organization can be a LAN.
WAN (Wide Area Network) is a computer network that covers a broad area (e.g., any networkwhose communications links cross metropolitan, regional, or national boundaries over a long distance). Less speed (150 mbps). Internet is a good example of a WAN.
The client–server model is a distributed application structure in computing that partitions tasks or workloads between the providers of a resource or service, called servers, and service requesters, called clients.
A peer-to-peer (P2P) network is a type of decentralized and distributed network architecturein which individual nodes in the network (called "peers") act as both suppliers and consumers of resources, in contrast to the centralized client–server model where client nodes request access to resources provided by central servers.
NETWORK TOPOLOGY(Is the arrangement of the various elements (links, nodes, etc.) of a computer network)
A bus network topology is a network topology in which a set of clients are connected via a shared communications line/cables, called a bus. There are several common instances of the bus architecture, including one in the motherboard of most computers.
Star networks are one of the most common computer network topologies. In its simplest form, a star network consists of one central switch, hub or computer, which act as a conduit to transmit messages. This consists of a central node, to which all other nodes are connected; this central node provides a common connection point for all nodes through a hub. In star topology, every node (computer workstation or any other peripheral) is connected to a central node called a hub or switch. The switch is the server and the peripherals are the clients.
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