Computer Networking and Telecommunication

 VERY SHORT ANSWER:

Chapter Networking and Telecommunication

1. What is a computer network?

Interconnected computers

 

2. What is LAN?

Network with limited number of computer in small area. EX.: Network of Computer LAB

 

3. What is WAN?

Wide Area Network, covered wider area than LAN. Ex.: CATV

 

4. Define MAN.

Metropolitan Area Network

 

5. What is a network topology?

Physical layout of network

 

6. Name two types of network topology.

Star, Bus

 

7. What is an IP address?

Unique identifier in the internet

 

8. What is a MAC address?

Physical address

 

9. What is bandwidth?

Data transfer rate within fixed period of time

 

10. What is a protocol?

Communication rules between channels

 

11. What is transmission media?

Data transmission path

 

12. What is guided media?

Wired transmission

 

11. What is unguided media?

Wireless transmission

 

12. Give two examples of wired transmission media.

Coaxial, Fiber Optic

 

13. Give two examples of wireless media.

Wi-Fi, Bluetooth

 

14. What is a switch?

Network device

 

15. What is a router?

Connects networks

 

16. What is a modem?

Signal converter

 

17. What is a repeater?

Signal booster

 

18. What is a hub?

Basic connection device

 

19. What is a gateway?

Protocol converter

 

20. What is an access point?

Wi-Fi provider

 

21. What is DNS?

Domain Name System

 

22. What is DHCP?

Dynamic IP assignment

 

23. What is FTP?

File Transfer Protocol (used in file sharing like: upload/download)

 

24. What is HTTP?

Web communication

 

25. What is packet switching?

Data segmentation

 

26. What is SMTP?

Email sending protocol

 

27. What is POP3?

Email retrieval protocol

 

28. What is IMAP?

Email management protocol

 

29. What is a firewall?

Security barrier

 

30. What is encryption?

Data protection

 

31. What is decryption?

Data recovery

 

32. What is cybersecurity?

Digital protection

 

33. What is VPN?

Virtual Private Network

 

34. What is Bluetooth?

Short-range wireless

 

35. What is Wi-Fi?

Wireless networking

 

36. What is 4G?

High-speed mobile network

 

37. What is 5G?

Next-gen mobile network

 

38. What is cloud computing?

Internet-based computing

 

39. What is IoT?

Internet of Things

 

40. What is network congestion?

Traffic overload

 

41. What is peer-to-peer network?

Equal nodes

 

42. What is client-server network?

Centralized network

 

43. What is VoIP?

Voice over IP

 

44. What is telecommunication?

Long-distance communication

 

45. What is broadband?

High-speed internet

 

46. What is an ISP?

Internet Service Provider organization

 

47. What is topology redundancy?

Backup connection