Article / Updated 03-26-2016
Knowing your way around TCP/IP is key if you want to manage a network successfully. The definitions in the following list explain the basics, such as what an IP address is, and they also clarify the various nets you deal with — extranets, intranet, and subnetting — as well other key terms.
CIDR (Classless InterDomain Routing): A way to conserve on IP addresses.