Internet

Network notes | PDF

• redundancy
• IP address
  • static / dynamic
• port
• TCP / IP
• Internet Model
  • Application Layer
  • Transport Layer
  • Internet Layer
  • Link Layer
• routers
• packet switching
• diagram: backbone, ISP, POP

Audio Quick Review (5:55)

Further reading

Internet Protocol Suite

TCP/IP

submarine internet cable in 2023

Review Questions 

This is not work to be turned in for a grade.  They are however very similar to the questions on the Comprehension Quiz.

1. What is an IP address?
2. What is a port number?
3. What is redundancy in networks?
4. What is the difference between static and dynamic IP addresses?
5. What is a server? What is a client?
6. What is a router?
7. What is packet switching? 
8. What is an advantage of packet switching?
9. Which protocol says we will use packets?
10. Which protocol determines how computers on the internet get addresses.
11. What is an optional alternative protocol used instead of TCP if data speed is more important than reliability?
12. What is an ISP?
13. What is a LAN?
14. What happens in the Application Layer on a sending computer?
15. What happens in the Application Layer on a receiving computer?
16. What happens in the Transport Layer on a sending computer?
17. What happens in the Transport Layer on a receiving computer?  
18. What happens in the Internet Layer?
19. What happens in the Link Layer?