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Network topology is the manner in which the physical components of a LAN are connected together. Network topology can be either physical or logical.
A hub
The logical topology for a LAN refers to how devices communicate with each other through the network. It defines the path data takes from one device to another, regardless of the physical layout of the network. Common logical topologies include bus, ring, star, and mesh.
A topology is the physical configuration of a network. Each network has their own particular type of topology, with the most common being LAN or WAN. Irregular topology is a common topology of LAN, where the information is sent through random connections between computers.
Star topology is one of the oldest topology
Wireless is a type of LAN, it has not replaced it. For some wireless is a simpler technology and certainly easire to install, however the wired lan is both faster and more secure. A wired lan also generally provides more management capabilities than wireless.
Also called signal topology. Every LAN has a topology, or the way that the devices on a network are arranged and how they communicate with each other. The way that the workstations are connected to the network through the actual cables that transmit data -- the physical structure of the network -- is called the physical topology. The logical topology, in contrast, is the way that the signals act on the network media, or the way that the data passes through the network from one device to the next without regard to the physical interconnection of the devices. Logical topologies are bound to the network protocols that direct how the data moves across a network. The Ethernet protocol is a common logical bus topology protocol. LocalTalk is a common logical bus or star topology protocol. IBM's Token Ring is a common logical ring topology protocol. A network's logical topology is not necessarily the same as its physical topology. For example, twisted pair Ethernet is a logical bus topology in a physical star topology layout. While IBM's Token Ring is a logical ring topology, it is physically set up in a star topology.
LAN based or a WAN based topology
In a LAN, the star topology is very common.
For a topology, the most common is a star topology.
Star network
it is a wireless lan card