Computer Operator Interview Questions from Computer Networking.

Interview Questions from Computer Networking

1.         What is a Computer network ?

2.         What are the things you need to form a network ?

3.         Write the advantages of network.

4.         Mention drawbacks of networking if any.

5.         What are the different components of a computer network ?

6.         Define network operating system.

7.         Give any three examples of NOS.

8.         Define Network Protocol. List any 5 network protocols.

9.         Explain TCP/IP.

10.    What is the use of HTTP ?

11.    Two protocols are used in email correspondence. What are they ? Mentions for what purpose each of those protocols are used ?

12.    What do you mean by network services ? List the 5 Network services.

13.    What are the 3 Computer Network Models ?

14.    Write short note on Centralized computing, Client/Server network, Peer-to-peer network.

15.    What are the 3 types of networks based on geographical spread ?

16.    Write differences between Local Area Network (LAN) and Wide Area Network (WAN).

17.    What is the full form of Wi-Fi? How far a WiFi can connect ?

18.    For what WiMAX (Wireless Interoperability for Microwave Access) is used ?

19.    What is the most popular example of WAN ?

20.    Define network topology. What are the basic network typologies ?

21.    What are the factors that affect the choice of topology for a network ?

22.    Write short notes on Bus topology, Ring topology and Star topology.

23.    State the advantages and drawbacks of star topology.

24.    What is a data packet ? What are the other terms to mean data packet ?

25.    List any 5 network connection devices.

26.    What is a hub and for what it is used ?

27.    How Passive hub is different than Active hub in a network ?

28.    What is the function of a network repeater ?

29.    What is a network switch and what does it do ?

30.    Which network device is used to establish an intelligent connection between two local networks with the same standard ?

31.    What do you understand by wireless access point ?

32.    What is the role of a router in network ?

33.    Which network device should be used to connect dissimilar networks with different standards ?

34.    What is the full form of MODEM? What does a MODEM do ?

35.    What is the unit to measure data transfer rate in MODEM ?

36.    Define communication Channel or communication link/line

37.    What is transmission media ? What are its two types ?

38.    Explain in short the guided media and unguided media.

39.    What is EMI ? Which cable is completely free from EMI ?

40.    Explain twisted pair cables. What are its two types ?

41.    Write down the distance that UTP can cover and maximum transmission speed.

42.    How the resistance against interference and signal noise is improved in STP ? Mention the distance a single length of STP cable can cover.

43.    Who invented co-axial and when ?

44.    Describe the structure of Co-axial cable. On which applications co-axial cables are popularly used ?

45.    In which transmission media the photons flow rather than electrons ?

46.    Describe the structure of fiber optic cable.

47.    What are the salient features of fiber optic cable ?

48.    Why radio wave, microwave and infrared are called unguided media or the unbound transmission media ?

49.    Who invented radio transmission and when ?

50.    Which transmission medium is used to create personal area network (PAN) ?

51.    When was Bluetooth invented and by whom ?

52.    What do you mean by LOS ?

53.    Write short note on microwave.

54.    What are the 3 different transmission modes ?

55.    What is the difference between full duplex and half duplex ?

56.    Explain bandwidth.

57.    Write down the data transmission rate and uses of narrowband, voice band and broadband.

58.    What are the 2 different ways of data transmission over a medium ?

59.    What is the benefit of serial data transmission ?

60.    What is the advantage of parallel data transmission ?

61.    What are the two data transmission modes ?

62.    Clarify the concept of asynchronous and synchronous data transmission modes.

63.    Define the Internet.

64.    What are the different internet services ?

65.    Write in brief the history of internet.

66.    Since when the Internet became publicly opened ?

67.    To set up internet what do you need ?

68.    What is a dial-up connection ?

69.    What do you understand by broadband internet connection ?

70.    What are the protocols required to send and receive emails ?

71.    Who created WWW and when ? What does WWW mean ?

72.    Give any three examples of popular search engines.

73.    What is the protocol used to send and receive files over the Internet ?

74.    Explain the term downloading and uploading.

75.    Give introduction to IRC, Video conference or video teleconference.

76.    What do you understand by usenet newsgroups ?

77.    What do you call the Internet service that lets you to log in to a remote computer and use its service and resources ?

78.    What is eCommerce ?

79.    What made the distance learning possible and virtual classes help students to attend class from different part of world ?

80.    What are web servers ? Give some examples of web servers.

81.    Write short notes on web browser.

82.    What is web page ? What protocol is used to transfer web pages from servers to the client computers ?

83.    What is homepage of a website ?