Introduction to Domain
Domain: A domain is an area of control or sphere in knowledge Uniform Resource Identifiers and Domain Names URIs and URLs A Uniform Resource Identifier (URI) identifies a resource on the Internet. A Uniform Resource Locator (URL) is a type of URI which represents the network location of a resource such as a web page, a graphic file, or an MP3 fileThe URL consists of the proto- col, the domain name, and the hierarchical location of the file on the web server. The URL http://www.webdevfoundations.net, shown in Figure 1.8, denotes the use of HTTP protocol and the web server named www at the domain name of webdevfoundations.netIn this case, the root file (usually index.html or index.htm) in the directory named chapter1 will be displayed Domain Names A domain name locates an organization or other entity on the Internet. The purpose of the domain Name System (DNS) is to divide the Internet into logical groups and understand- able names by identifying the exact address and type of ...
