The correct answer is option 4 i. e File Transfer Protocol. FTP stands for File Transfer ProtocolFile Transfer Protocol is used to transfer binary and text files over the Internet. It is a standard Internet protocol for transmitting files between computers on the Internet over TCP/IP connections. It is a client-server model architecture or protocol. Using FTP, a client can upload, download, delete, rename, move and copy files on a server. It is also used for downloading the files to the computer from other servers.