´ What is a Protocol?
´ A protocol is a set of rules that governs the communications
between computers on a network.
´ In order for two computers to talk to each other, they must be
speaking the same language.
´ Many different types of
network protocols and standards are required to ensure that your computer (no
matter which operating system, network card, or application you are using) can
communicate with another computer located on the next desk or half-way around
the world.
´ The OSI (Open Systems Interconnection) Reference Model defines
seven layers of networking protocols.
´ DNS - Domain Name System - translates network address (such as
IP addresses) into terms understood by humans (such as Domain Names) and
vice-versa
´ DHCP - Dynamic Host Configuration Protocol - can automatically
assign Internet addresses to computers and users
´ FTP - File Transfer Protocol - a protocol that is used to
transfer and manipulate files on the Internet
´ HTTP – Hyper Text Transfer Protocol - An Internet-based protocol
for sending and receiving webpages
´ IMAP - Internet Message Access Protocol - A protocol for e-mail
messages on the Internet
´ IRC - Internet Relay Chat - a protocol used for Internet chat
and other communications
´ POP3 - Post Office protocol Version 3 - a protocol used by
e-mail clients to retrieve messages from remote servers
´ SMTP - Simple Mail Transfer Protocol - A protocol for e-mail
messages on the Internet
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