Computers that communicate over a network must follow certain protocols or rules, in order to ensure that data are transmitted properly and understood.
What is a protocol?
A protocol can be defined as a formatted blocks of data that have been designed and established to obey a set of standard rules (conventions) such as the Transmission Control Protocol and Internet Protocol (TCP/IP).
In Computer networking, all computers and other network devices that communicate over a network must follow certain protocols or rules, in order to ensure that data are transmitted properly and well understood by end users.
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