What is the subnet? Why is it used?



What is the subnet? Why is it used?..

Answer / Amar Deep Singh

The Subnet (Subnetwork) is a logical division of an IP network. It allows multiple devices to connect on the same network while preventing them from communicating directly with each other. This segmentation helps manage and organize networks, conserves IP addresses, and provides improved security through subnetting. For example, the CIDR notation (e.g., 192.168.1.0/24) represents a network and its subnet mask.

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