What issubnet

A subnet is a logical division of a local area network (LAN) that improves network performance and security. This is achieved by restricting the number of nodes that compete for available bandwidth, leading to fewer collisions and better performance. Instead of having all network traffic handled by a single network, subnets divide the network into clusters of clients and servers that frequently communicate with each other.

Subnets can also be created for security reasons, by grouping together servers with restricted access and applications. To enable communication between different subnets, routers are used as bridges. The subnet mask is a key identifier in an IP network, as it identifies the subnet and enables communication between different subnets.

FAQs

Why are subnets used?

Subnets are used to improve network performance by restricting the number of nodes that compete for available bandwidth in a LAN. They also offer added security by grouping together servers with restricted access and applications.

How are subnets created?

Subnets are created by dividing a LAN into clusters of clients and servers that frequently communicate with each other. Subnets can also be created based on security requirements, by grouping together servers with restricted access and applications.

What is a subnet mask?

A subnet mask is a key identifier in an IP network, as it identifies the subnet and enables communication between different subnets. It is a 32-bit number that identifies the network number and the range of hosts in a subnet.

Conclusion

Subnets are an important part of LAN design, offering added security and improved network performance. They are created by dividing a network into clusters of clients and servers that frequently communicate with each other and can be based on security requirements. Subnet masks enable communication between different subnets and are a key identifier in an IP network.

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