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Internet Basics

Internet Basics. Some bits on how it works. The Internet is Client / Server Based. Response. Request. Lots of Servers Connected. 21.75.4.209. 65.4.13.241. 64.2.31.13. 75.231.17.54. 155.32.21.4. 192.68.15.1. 255.65.41.5. 73.2.111.32. DNS Gives Servers Names. 192.68.15.1. DNS Server.

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Internet Basics

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  1. Internet Basics Some bits on how it works

  2. The Internet is Client / Server Based Response Request

  3. Lots of Servers Connected 21.75.4.209 65.4.13.241 64.2.31.13 75.231.17.54 155.32.21.4 192.68.15.1 255.65.41.5 73.2.111.32

  4. DNS Gives Servers Names 192.68.15.1 DNS Server Google.com

  5. Server Software / Client Software • Web Server • Database Server • File Server • Email Server • IM Server • DNS Server • Web Browser • Email Program • IM Client • File Transfer

  6. Internet Protocols • IP (Internet Protocol) • HTTP (HyperText Transfer Protocol) • FTP (File Transfer Protocol) • SMTP (Simple Mail Transfer Protocol) A protocol is a set of rules – almost a language computers speak, to communicate and send and receive information.

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