1. What is a computer network?
2. Define the term "network topology."
3. What are the main types of network topologies?
4. Explain the difference between LAN and WAN.
5. What is a network protocol?
6. Name a few common network protocols.
7. What is the function of the OSI model?
8. How many layers are there in the OSI model?
9. Describe the role of the application layer in the OSI model.
10. What does the transport layer do?
11. Explain the function of the network layer.
12. What is the purpose of the data link layer?
13. Describe the physical layer in the OSI model.
14. What is the TCP/IP model?
15. How does the TCP/IP model differ from the OSI model?
16. What is the significance of IP addresses in a network?
17. Explain the difference between IPv4 and IPv6.
18. What is a subnet mask?
19. Describe the purpose of a gateway in networking.
20. What is the role of a router in a network?
21. Explain the function of a switch in networking.
22. What is a hub, and how does it differ from a switch?
23. Define the term "bandwidth."
24. What is latency in a computer network?
25. Explain the concept of "packet switching."
26. What is the purpose of the Domain Name System (DNS)?
27. How does DNS resolve a domain name to an IP address?
28. What is the difference between a public IP address and a private IP address?
29. Explain what NAT (Network Address Translation) is.
30. What are the primary functions of a firewall?
31. Describe the concept of network security.
32. What is a VPN (Virtual Private Network)?
33. Explain how a VPN works.
34. What are the advantages of using a VPN?
35. What is the role of a DHCP server in a network?
36. How does DHCP assign IP addresses?
37. What is the difference between static and dynamic IP addresses?
38. What is a network adapter?
39. Describe the function of a network interface card (NIC).
40. What is Ethernet?