4.08 Networking

  1. What radio frequency bands does the ESP8266 support?
    [5G Testbed]

  2. What is the difference between 2.4 GHz and 5 GHz Wi-Fi?
    [5G Testbed]

  3. What are the maximum speeds of network interface cards (NICs), LAN ports, and Wi-Fi?
    [5G Testbed]

  4. How does communication occur through optical fiber cables?
    [5G Testbed]

  5. What is the maximum speed of a wired optical fiber (LAN) connection?
    [5G Testbed]

  6. What is the maximum speed of Wi-Fi (2.4 GHz and 5 GHz)?
    [5G Testbed]

  7. Why does the 2.4 GHz network have a longer range compared to 5 GHz?
    [5G Testbed]

  8. What are bandwidth, throughput, and frequency? Explain them with respect to networking.
    [5G Testbed]

  9. How do you configure a network router? Explain the procedure.
    [5G Testbed]

  10. How does your mobile phone establish a connection with your router?
    [5G Testbed]

  11. What are network cards?
    [5G Testbed]

  12. How does communication happen from a base station to a mobile phone? Explain all intermediate services.
    [5G Testbed]

  13. Give an example of an IP address.
    [5G Testbed]

  14. Do you know about 5G communication?
    [5G Testbed]

  15. What is meant by a MAC address?
    [5G Testbed]

  16. How will you check whether the internet is working on your system? Explain technically without using any tools.
    [5G Testbed]

  17. Explain about a MAC address.
    [INFOBELL]

  18. Explain about hubs and switches.
    [INFOBELL]

  19. What is a router, and in which cases is it used?
    [INFOBELL]

  20. What are the differences between TCP and UDP? [Saab AB]
  21. In which layer of the TCP/IP model is TCP used? What is its purpose? [Saab AB]
  22. Explain how TCP works. [Saab AB]
  23. Explain how UDP works. [Saab AB]
  24. Describe the network layer in the TCP/IP model and its responsibilities. [Saab AB]
  25. What is a socket? Why is it used in networking?[Saab AB]
  26. Explain the concept of socket programming.[Saab AB]
  27. List the system calls used in socket programming for: [Saab AB]
    • Server side
    • Client side
      Provide their syntax.
  28. Explain the bind() system call and the parameters required.[Saab AB]
  29. Explain the sequence of system calls used in TCP client-server communication.[Saab AB]
  30. Is the socket programming flow the same for TCP and UDP? Justify your answer.[Saab AB]
  31. How can a server confirm that data has been successfully received?[Saab AB]