Presentation on theme: "How does the Internet works? servicio-de-internet-como-derecho-humano"— Presentation transcript:
How does the Internet works? http://seyforum.foroactivo.com/t2503-la-onu-declara-el- servicio-de-internet-como-derecho-humano http://curiosidadesofworld.blogspot.com/2010/05/internet- ha-cambiado-la-forma-de.html
Lesson Objectives Some of you should be able to Describe the steps required to visit www.google.comwww.google.com Most of you should be able to Explain a DNS system All of you should be able to Define terms related to how the Internet works.
First things first: Networks A collection of computers interconnected IP Addresses Routers and switches
Steps to visit a website 1.Type in URL 2.URL is translated to IP address. 3.Message is sent through the network. 4.Routers resend message through the network. 5.Message/request arrives to its destination. 6.Message travels back
Domain Name Servers? Convert URL to IP addresses.
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