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Introduction to Networking

Introduction to Networking. What is a Computer Network?. Computers that are connected together. What Are Networks Good For?. Resource Sharing Security Organization and Centralization Communication. What is Everyone’s Favorite Type of Network?. The Internet!. Think About This….

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Introduction to Networking

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  1. Introduction to Networking

  2. What is a Computer Network? Computers that are connected together

  3. What Are Networks Good For? • Resource Sharing • Security • Organization and Centralization • Communication

  4. What is Everyone’s Favorite Type of Network? The Internet!

  5. Think About This… You just sent your friend Joe an e-mail. What do you think happens after you click “send” on that e-mail message? Label the network path that shows how the e-mail connects from your computer to Joe’s computer.

  6. E-Mail, Web Page Access, & Instant Messaging As we discuss how all this works, you need to be filling in your corresponding handout!

  7. What’s in a Name? • Find the worksheet with the same name. • Connect to the following address: http://www.howstuffworks.com/internet-infrastructure5.htm • Complete the worksheet as instructed.

  8. Protocol of the Internet • A unique identifying number Internet Protocol • 216.27.61.137 (4 sets of numbers) • 4,294,967,296 • Domain Name System – maps text names to IP addresses

  9. What’s in a Name? • Uniform Resource Locator • www = host name google.com = domain name .com = top level domain

  10. What’s in a Name?

  11. What’s in a Name?

  12. What’s in a Name? .com .org .net .edu .gov

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