The internet is the largest wide area network in the world, made up of millions of other smaller networks. Email, web pages, instant messaging, games, and sites all come through the internet. The internet uses the standard internet protocol suite to link several billion devices worldwide. It's an essential part of our everyday life and is used frequently. Internet s used to describe any network that uses TCP/IP.
What is a protocol?
A network protocol are the rules established for how computers in a network communicate. They control the connection, communication, and data transfer between two computing endpoints.The first system was being used for email and was established on the APRANET. TCP( Transmission Control Protocol)/IP(Internet Protocol) is now the standard internet protocol.
What is DNS?
DNS is the Domain Name Service that translates addresses, essential to internet communication.It looks up a host name and returns an IP address. Each part of the internet have DNS servers which find the IP address associated with the site searched. Usually home computers are configured to query their ISP’s name server or a free DNS name server.
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