what is a subnet? explain it properly..

tell about subnet and how is it useful to us? Why we need subnet?

4 Answers
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4 Answers
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  • A subnetwork or subnet is a logical subdivision of an IP network. The practice of dividing a network into two or more networks is called subnetting. Computers that belong to a subnet are addressed with an identical most-significant bit-group in their IP addresses.
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  • A Subnet is a logical partition of an IP network into multiple, smaller network segment. It is typically used to subdivide large networks into smaller and more efficient subnetwork.
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  • A subnetwork or subnet is a logical subdivision of an IP network. The practice of dividing a network into two or more networks is called subnetting.
    For example, 255.255.255.0 is the subnet mask for the prefix 198.51.100.0/24.
    The main purpose of subnetwork is to help relieve network congestion. Congestion used to be a bigger problem than it is today because it was more common for networks to use hubs than switches. When nodes on a network are connected through a hub, the entire network acts as a single collision domain.
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  • A subnet (short for "subnetwork") is an identifiably separate part of an organization's network.
    Uses :
    For  Setting up logical divisions.
    For Improved network security.
    For  Improved network performance.

     
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