The Internet

9.1 Structure of the Internet

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  • Created by: Anil
  • Created on: 23-12-09 14:29

What is the Internet?

A network of computer networks and computers that using unique IP adresses and TCP/IP.

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What is Packet Data Switching?

Messages are split into packets, which are routed independently by packet switching.

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Why are routers used?

Routers are used because it is not practical to connect every host directly to every other host.

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What is the Intranet?

The intranet is private computer network that uses internet protocols.

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What is the world wide web?

The world wide web is a system of interlinked hypertext documents accessed via the internet.

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What is the client-server model?

In the client server model, a client process requests a service from a server process.

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What is a protocol?

A protocol provides agreed signals, codes and rules for data exchange between systems.

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What is in the TCP/IP Protocol stack?

The TCP/IP Protocal stack consists of four layers: application, transport, network and link.

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What are some application protocols?

Some application protocols are HTTP, FTP, Telnet, POP3, SMTP and HTTPS.

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What does a DNS Server do?

DNS Servers translate domain names into IP adresses.

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What is a URI?

A URI specifies how to access a resource on the internet.

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What is a URL?

A URL is a URI that identfies a resource by its network location.

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What is a internet registry?

A Internet registry stores registered domain names.

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