Unstructured data represents any data that does not have a recognizable structure. It is unorganized and raw and can be non-textual or textual. For example, email is a fine illustration of unstructured textual data. It includes time, date, recipient and sender details and subject, etc., but an email body remains unstructured. Unstructured data...
A logical topology is a concept in networking that defines the architecture of the communication mechanism for all nodes in a network. Using network equipment such as routers and switches, the logical topology of a network can be dynamically maintained and reconfigured.
Logical topologies contrasts with physical topologies, which refer to the physical interconnections of all devices in the network.
The logical topology defines how the data should transfer. Contrast this to the physical topology, which consists of the layout of cables, network devices and wiring.
Two of the most common logical topologies are:
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