| No | Word | Definition |
| 1 | API | Application Programming Interface is a specification intended to be used as an interface by software components to communicate with each other. |
| 2 | ARP | Address Resolution Protocol |
| 3 | DNS | Domain Name System is a system that lets us assign easily remembered names to their corresponding IP addresses, without having to remember the addresses themselves. |
| 4 | FTP | File Transfer Protocol is a standard network protocol used to transfer files from one host or to another host over a TCP-based network, such as the Internet. |
| 5 | HTTP | HyperText Transfer Protocol |
| 6 | ICMP | Internet Control Message Protocol |
| 7 | Perl | Perl is a general-purpose programming language originally developed for text manipulation and now used for a wide range of tasks including system administration, web development, network programming, GUI development, and more |
| No | Word | Definition |
| 8 | Servlet | A Servlet is a Java programming language class used to extend the capabilities of a server. |
| 9 | SMTP | Simple Mail Transfer Protocol |
| 10 | Socket | A socket is an abstraction for network communication, just as a file is an abstraction for file system communication. |
| 11 | SSI | Server-side includes is a technology that a Java-enabled Web server can use to convert a section of an HTML file into an alternative dynamic portion each time the document is sent to the client's browser |
| 12 | TCP/IP | Transmission Control Protocol and Internet Protocol provide end-to-end connectivity specifying how data should be formatted, addressed, transmitted, routed and received at the destination. |
| 13 | Telnet | Telnet is a network protocol used on the Internet or local area networks to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection. |
| No | Word | Definition |
| 14 | UDP | User Datagram Protocol is one of the core members of the Internet protocol suite. With UDP, computer applications can send messages, in this case referred to as datagrams, to other hosts on an IP network without prior communications to set up special transmission channels or data paths. Uniform Resource Identifier is a compact sequence of characters that identifies an abstract or physical resource. |
| 15 | URI | Uniform Resource Identifier is a compact sequence of characters that identifies an abstract or physical resource. |
| 16 | URL | Uniform Resource Locator refers to the subset of URIs that, in addition to identifying a resource, provides a means of locating the resource by describing its primary access mechanism. |
| 17 | URN | Uniform Resource Name has been used historically to refer to both URIs under the "urn" scheme, which are required to remain globally unique and persistent even when the resource ceases to exist or becomes unavailable, and to any other URI with the properties of a name. |
| No | Word | Definition |
| 18 | W3C | The World Wide Web Consortium (W3C) is an international community that develops open standards to ensure the long-term growth of the Web. |
| 19 | WWW | World Wide Web is a system of interlinked hypertext documents accessed via the Internet. With a web browser, one can view web pages that may contain text, images, videos, and other multimedia, and navigate between them via hyperlinks. |
| 20 | XML | Extensible Markup Language |