Unit 2 Review

Lesson 1: Welcome to the Internet

Check for Understanding

Question: How do you use the Internet? Think about your typical day. When are you using the Internet? For what purposes? What role does it have in your life?
Answer: In my everyday life I mostly use the internet to play videogames, browse videos, do homework and send messages to people on social media.

Lesson 2: Building a Network

Check for Understanding

Question: Describe two different paths that a message could take from Person A to Person D.
Answer: The message could go from person A to person B to person D, or person A to person E to person C to person D.

Lesson 3: The Need for Addressing

Check for Understanding

Question: Describe how the Internet Protocol (IP) allows devices to easily connect and communicate on the Internet.
Answer: An internet protocol allows devices to easily connect to the internet by deciding if quality or speed should be prioritized.

Lesson 4: Routers and Redundancy

Check for Understanding

Question: What are the benefits of building redundancy into a network? What are the potential issues with building redundancy?
Answer: The benefits of building a redundancy into a network is that if the original code doesn't work for some reason the redundancy will do what needs to be done so that the code runs successfully. A potential issue could be that the code will be longer and more confusing.

Lesson 5: Packets

Check for Understanding

Question: Terminology Matching
Answer: Rules for addressing and sending data across the internet by assigning unique numbers to each connected device - Internet Protocol (IP)

Takes inventory of all packets in the datastream to ensure they are successfully sent and received. - Transmission Control Protocol (TCP)

Chunk of data and its metadata, used to route and reassemble information on the Internet. - Packet

The way in which information travels on the Internet, not as a single piece but in chunks. - Datastream

Sends all packets without checking whether they were received or ordered properly - User Datagram Protocol (UDP)

Lesson 6: HTTP and DNS

Check for Understanding

Question: Choose the two statements that best describe the relationship between HTTP and the World Wide Web
Answer: The World Wide Web is a collection of pages and files that is shared between computers using HTTP
&
HTTP and the World Wide Web both rely on other layers of protocols for sending information on the Internet

Lesson 7: Project - Internet Dilemmas

Check for Understanding

Question: End of Unit Survey
Answer: I understood all of the concepts we learned this unit and I feel like I can be myself in this class.

Web Development

Code.org Unit 2 Review

02/27/24

Devesh Sukhdeo

Unit 2 Review

Check for Understanding

Check for Understanding

Check for Understanding

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Check for Understanding