The Internet 9.1 Structure of the Internet In this topic you have covered: 4.0 / 5 based on 1 rating ? ComputingAS Created by: AnilCreated 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. 1 of 13 What is Packet Data Switching? Messages are split into packets, which are routed independently by packet switching. 2 of 13 Why are routers used? Routers are used because it is not practical to connect every host directly to every other host. 3 of 13 What is the Intranet? The intranet is private computer network that uses internet protocols. 4 of 13 What is the world wide web? The world wide web is a system of interlinked hypertext documents accessed via the internet. 5 of 13 What is the client-server model? In the client server model, a client process requests a service from a server process. 6 of 13 What is a protocol? A protocol provides agreed signals, codes and rules for data exchange between systems. 7 of 13 What is in the TCP/IP Protocol stack? The TCP/IP Protocal stack consists of four layers: application, transport, network and link. 8 of 13 What are some application protocols? Some application protocols are HTTP, FTP, Telnet, POP3, SMTP and HTTPS. 9 of 13 What does a DNS Server do? DNS Servers translate domain names into IP adresses. 10 of 13 What is a URI? A URI specifies how to access a resource on the internet. 11 of 13 What is a URL? A URL is a URI that identfies a resource by its network location. 12 of 13 What is a internet registry? A Internet registry stores registered domain names. 13 of 13
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