Question

What is protocol in data communication? Explain with an example.

Answer 1

In communication, Protocol is a set of standard rules that the communicating parties - the sender, the receiver, and all other intermediate devices need to follow.

Various data communication protocols are :

HTTP: HyperText Transfer Protocol,

FTP: File Transfer Protocol,

TCP/IP: Transmission Control Protocol Internet Protocol,

SMTP: Simple Mail Transfer Protocol,

POP: Post Office Protocol,

PPP: Point-to-Point Protocol