Subnetting
Within Class A and B networks, there can be separate networks called subnets. Subnets are considered part of the host portion of an address for network class definitions. For example, in the 128. Class B network, you can have one computer with an address of 128.10.10.10 and another with an address of 128.10.200.20; these computers are on the same network (128.10.), but they have different subnets (128.10.10. and 128.10.200.). Because of this, communication between the two computers requires either a router or a switch. Subnets can be helpful for separating workgroups within your company.
Often subnets can be used to separate workgroups that have no real need to interact with or to shield from other groups’ information passing among ...
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