Internet

• What is a network made of?

  Two computers
• What is the Internet made of?

  Two or more networks
• How does the Internet transfer information?

  Through pulses of light and fiber optic cables
• What must computers have in order to communicate with each other?

  Same protocols or set of rules
• What is the core of the Internet?


  Machines that move bits
• What is the edge of the Internet?


  Where processing takes place ; servers, data centers, pc
• When sending and receiving information on the Internet, what is the data modified into? What is their storage and what do they contain?

  Packets ; 1.5 KB ; origination and destination information
• What does the Internet do and not do?

  Transfer not store
• What does IP stand for? What is it used to do?

  Internet Protocol ; request websites from the Internet
• What does the internet do with your IP address?


  Understand who is accessing the website
• What are places that help efficiently move data across the Internet?

  Data hubs
• How many bits and bytes are in an IP address?

  Thirty two bits

  four bytes
• When visiting a website, where are you actually going?

  The website’s IP address
• Once receiving computer communicates it has received the data, what does the sending computer do?

  Erases the info
• What do computers use to communicate (specific names)?

  IP/TCP
• What do routers do? What do they use to perform their action and where do they send it?

  Send packets in direction of final destination

  Use IP address to send packets in different paths
• What is a protocol on the Internet?

  Set of rules computers use to communicate
• What is a Domain Name Server(DNS) And what does it do? 


  Service that gives IP address for domain names
• Is the Internet decentralized? What happens if a pod goes down?

  Yes

  Traffic goes around
• Example of a domain name regarding Facebook?


  facebook.com
• What does IP handle on the Internet?

  Addressing and Packet Routing
• What does TCP handle in the Internet?

  Uses many hubs and routes to quickly send data
• Who is the Internet owned by?

  No one
• Who was the Internet originally made for?

  Government
• What did the world create to prevent the Internet from crashing in the late 70s?

  Core and Edges
• What are cookies?

  Bits of personal information stored on your computer regarding your time on a specific website
• How do companies use cookies?

  Target advertising
• What is a proxy server?


  Internet gateway to restrict and monitor requests into one’s net; increased efficiency
• Can proxy servers have negative users? If so, how?

  Use proxy servers to access restricted websites
• What are some tips for Internet security?


  1. Strong password
  2. Careful with public WiFi
  3. Antivirus
• What does the s mean in https? Why is this important for security?

  Secure

  Think about it
• What does DMCA stand for and what does it require?

  DMCA stands for Digital Millennium Copyright Act. It requires any digital work to be cited
• What is the CCL? What do they do?


  Creative Commons license; working to increase amount of freely available work to the public
• What is a Turing Test? Why is it used?

  Test to determine if a machine can exhibit intelligent behavior. Used to evaluate a machine's ability to mimic human intelligence. AI
• What is a Captcha test used for?


  Verification if user is a human
• What is another option instead of repeating code?

  Chunks of code into functions
• What are decision trees used for?

  Making decisions or classifying
• Can decision trees have bias?

  Yes.
• What do you use in decision trees to answer the users inputs?

  If/Else statements
• Are decision trees and If/Else statements used to create recommendations for the user?

  Yes.