what is topology ? explain any two topologies.
Answers
Topology:
Topology is the mathematical study of the properties that are preserved through deformations, twistings, and stretchings of objects. Tearing, however, is not allowed. A circle is topologically equivalent to an ellipse (into which it can be deformed by stretching) and a sphere is equivalent to an ellipsoid.
Types:
The mapping of a LAN design is called Topology. There are four categories: Star topology, Bus topology, Ring topology and Mesh topology. Hybrid combinations of these topologies also exist.
Bus topology:
A bus topology is a topology for a Local Area Network (LAN) in which all the nodes are connected to a single cable. The cable to which the nodes connect is called a "backbone". If the backbone is broken, the entire segment fails. ... The bus topology is e.g. used by Ethernet networks.
Star topology:
A star topology is a topology for a Local Area Network (LAN) in which all nodes are individually connected to a central connection point, like a hub or a switch. A star takes more cable than e.g. a bus, but the benefit is that if a cable fails, only one node will be brought down.
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Answer:
Topology:
Topology is the mathematical study of the properties that are preserved through deformations, twistings, and stretchings of objects.
Types of topology :
Network Topology
Computers in a network have to be connected in some logical manner. The layout pattern of the interconnections between computers in a network is called network topology.
BUS Topology
Bus topology is a network type in which every computer and network device is connected to single cable. When it has exactly two endpoints, then it is called Linear Bus topology.