Protocol A protocol is a set of rules for the exchange of data between a terminal and computer or between two computers. Think of protocol as a sort of precommunication agreement about the form in which a message or data is to be sent and receipt is to be acknowledge.
Types of Protocols Hypertext Transfer Protocol (HTTP) – This protocol is used to access, send and receive Hypertext Markup Language (HTML) files on the Internet.
Simple Mail Transfer Protocol (SMTP) – This protocol is used for transferring email between computers
File Transfer Protocol (FTP) – FTP is responsible for allowing file to be copied between devices.
Transmission Control Protocol (TCP) – This protocol ensures the delivery of information packets across network.
Internet Protocol (IP) – This important protocol is responsible for providing logical addressing called IP address to route information between networks.