

(viii) VoIP: VoIP technology enables traditional telephony services to operate over computer networks. Most e-mail systems that send mail over the Internet use SMTP to send messages from one server to another. (vii) SMTP: Simple Mail Transfer Protocol, a protocol for sending e-mail messages between servers. (vi) IMAP: IMAP (Internet Message Access Protocol) is a standard email protocol that stores email messages on a mail server, but allows the end user to view and manipulate the messages as though they were stored locally on the end user’s computing device. (v) POP: POP (Post Office Protocol) mail refers to email software on your computer that sends and receives mail via a shared computer’s electronic post office. (iv) SSH: SSH is typically used to log into a remote machine and execute commands, but it also supports tunnelling, forwarding TCP ports.

SCP uses Secure Shell (SSH) for data transfer. (iii) SCP: SCP is a network protocol, based on the BSD RCP protocol, which supports file transfers between hosts on a network.

(ii) FTP: File Transfer Protocol ( FTP) is a client/server protocol used for transferring files to or exchanging files with a host computer. (i) HTTP: Hypertext Transfer Protocol ( HTTP) is an application-layer protocol for transmitting hypermedia documents, such as HTML.
