The correct answer is A. URL.
A URL (Uniform Resource Locator) is a specific address associated with each web page displayed on the internet. It is a unique identifier for a resource on the World Wide Web. A URL is made up of several parts, including the protocol, the domain name, and the path. The protocol is the set of rules that govern how data is exchanged between two computers. The domain name is the name of the website, and the path is the location of the specific web page on the website.
B. WWW is the World Wide Web. It is a system of interlinked hypertext documents accessed via the Internet. The World Wide Web was invented in 1989 by
Tim Berners-Lee at CERN, the European Organization for Nuclear Research.C. FTP is File Transfer Protocol. It is a standard network protocol used to transfer files between computers on a network. FTP is a client-server protocol,
which means that there is a client program that initiates the transfer and a server program that accepts the transfer.D. HTTP is Hypertext Transfer Protocol. It is the protocol used to transfer data between a web server and a web browser. HTTP is a stateless protocol, which means that each request from the client is independent of any previous requests.