A protocol is a set of rules that enables the exchange of information
between two computers, regardless of whether they run on different
operating systems. These rules strictly state the format and procedure
to be followed while transmitting data between two computers
or two networks. A protocol basically gives the “grammar” to
their “speech.” Certain key protocols you should know about are:
TCP: Transmission Control Protocol, used for the reliable transmission
of data over a network.
IP: The Internet protocol is the set of rules that dictates how
exactly packets of data should be transmitted over the Internet.IP
standardises the way machines over the Internet (or any IP network)
forward or route their packets based on their IP addresses.
HTTP: Hypertext Transfer Protocol, used for transmitting and displaying
information in the form of Web pages on browsers. This is
the language used when your Web browser talks to the Web server.
FTP: File Transfer Protocol, used for file transfer (uploading and
downloading) over the Internet. Both FTP and HTTP are based on
TCP/IP. FTP is still often used as a means of downloading large files.
SMTP: Simple Mail Transfer Protocol, used for e-mail.
Ethernet: Used for data transmission over a LAN (Local Area
Network).
Wi-Fi: The wireless version of Ethernet.
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