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Unit 3: The Internet

1,500 possible mastery points

About this unit

This unit covers how the Internet works. Learn about the physical layer (Ethernet, Fiber, WiFi), the protocols (IP, TCP, UDP, DNS, HTTP), the World Wide Web, and the digital divide.
Level up on the above skills and collect up to 320 Mastery points
Level up on the above skills and collect up to 560 Mastery points

Practice

Level up on the above skills and collect up to 320 Mastery points
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Unit test

Level up on all the skills in this unit and collect up to 1500 Mastery points!