What is a protocol? - 15 Minute Series

What is a protocol?

There are different protocols for different types of network services. For example, the Internet is based on the TCP/IP suite, or family, of protocols.

Some of the protocols used on the Internet are:

Simple Mail Transfer Protocol (SMTP) - to send and receive electronic mail

File Transfer Protocol (FTP) - to transfer files between computers

Hypertext Transfer Protocol (HTTP) - to transmit information on the World Wide Web

Network News Transfer Protocol (NNTP) - to transmit network news

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