| DNS
Windows DNS uses the Domain Name System protocol to map host names to their corresponding IP addresses. Active Directory uses DNS to locate domain controllers. . Set up DNS. After you set up DNS click Next to create names databases — called zones — on the server.

Learn more about DNS.

Used to identify a node on a network and to specify routing information. Each node on the network must be assigned a unique IP address, which is made up of the network ID, plus a unique host ID assigned by the network administrator. This address is typically represented in dotted-decimal notation, with the decimal value of each octet separated by a period (for example, 138.57.7.27).