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How does the Internet works? servicio-de-internet-como-derecho-humano

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Presentation on theme: "How does the Internet works? servicio-de-internet-como-derecho-humano"— Presentation transcript:

1 How does the Internet works? servicio-de-internet-como-derecho-humano ha-cambiado-la-forma-de.html

2 Lesson Objectives Some of you should be able to Describe the steps required to visit 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.

3 The all mighty Internet By Omar Álvarez

4 First things first: Networks A collection of computers interconnected IP Addresses Routers and switches

5 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

6 Domain Name Servers? Convert URL to IP addresses.

7 Check the maps

8 Steps to visit a server 1.Type URL 2.DNS retrieves IP Address 3.Message Sent to router 4.Router to router 5.Server receives message and answers back

9 Issues related to the use of Internet Use maps to generate new ideas.


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