Table 1. This table illustrates subnet masks. The number after the “/” in the CIDR notation indicates the total number of IP addresses available. Click here to see an enlarged diagram. Understanding ...

Every machine on the the Internet has a unique number assigned to it, called an IP address. Without a unique IP address on your machine, you will not be able to communicate with other devices, users, ...

Most networks use the Internet Protocol to handle local area network addressing, which is how the network determines what information goes to which devices. While many companies decide to use ...

When you set up the first network for a small business, you may not give much thought to how the company's growth will affect your IP addressing scheme. By planning ahead at the beginning, you can ...

Rather than layering security onto networks, the networks themselves and carefully managed authorization policies can hinder attacks, but at an administrative cost. Why is it that over 90% of ...