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MCTS Windows Server® 2008 R2 Complete: Study Guide by William Panek

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Subnetting a Network

If an organization is large and has lots of computers, or if its computers are geographically dispersed, it makes good sense to divide its colossal network into smaller ones connected by routers. These smaller networks are called subnets. The benefits of using subnets include the following:

Reduced Network Traffic

We all appreciate less traffic of any kind, and so do networks. Without routers, packet traffic could choke the entire network. Most traffic will stay on the local network—only packets destined for other networks will pass through the router and over to another subnet. This traffic reduction also improves overall performance.

Simplified Management

It’s easier to identify and isolate network problems in a group of ...

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