Web Terminologies Part 1
• Internet – A global network connecting millions of computers. • World Wide Web (the Web) – An information sharing model that is built on top of the Internet, utilizes HTTP protocol and browsers (such as Internet Explorer) to access Web pages formatted in HTML that are linked via hyperlinks and the Web is only a subset of the Internet (other uses of the Internet include email (via SMTP), Usenet, instant messaging and file transfer (via FTP) • URL (Uniform Resource Locator) – The address of documents and other content on the Web. It is consisting of protocol, domain and the file. Protocol can be either HTTP, FTP, Telnet, News etc., domain name is the DNS name of the server and file can be Static HTML, DOC, Jpeg, etc., . In other words URLs are strings that uniquely identify resources on internet. • TCP/IP – TCP/IP protocol suite used to send data over the Internet. TCP/IP consists of only 4 layers - Application layer, Transport layer, Network layer & Link layer Internet Protocols: ...