Aiou Workshop 5403| Test 4

1) Star topology is less expensive than:

2) ISDN stands for:

3) Modem stands for:

4) The companies that use networks can save time and money because network allow users to share:

5) The internal transfer of binary data in a computer uses mode.

6) The number of times a wave repeats during a specific time interval is called

7) Which is NOT a LAN protocol?

8) The music and speech.represent:

9) The types.of signals can be:

10) In a typical LAN, each computer on the network is connected through:

11) In _________topology, the entire network goes down if the backbone cable fails

12) FTP stands for

13) The chart,graph,pictures and freehand drawing are examples of:

14) The typical fiber optic cable consists of very narrow strand of glass called:

15) What layer of OSI models performs data compression?

16) How many devices can exist between a sending and receiving host?

17) Typically, data transfer rate in LAN are of the order of:

18) Which of the following is NOT a network topology?

19) Which of the following is NOT a type of protocol?

20) BCD stands for:

21) Ethernet, Token bus and Token Ring have been defined by:

22) Transmission from a satellite to its earth-based station is called:

23) An important property of fiber optic cable is:

24) Satellite transmission stations that can both send and receive messages are called:

25) Two dissimilar networks can be connected by a:

26) Which type of network covers a small area?

27) Frequency is measured in:

28) Which communication technique can transmit the data over long distance?

29) A set collection of a large number of computers all over world connected to one another is called

30) The diameter of fiber optical cable is:

31) Which of the following is a De Facto standard?

32) A lab with twenty computers and a laser printer is an example_____ of area network

33) Which of the following is the fastest communication mode

34) Each set of bit pattern is called:

35) A collection of computers connected together to share resources and informal called:

36) Which of the following coding schemes primarily.used by IBM?

37) Which of the following topologies uses routers?

38) A device that is used to connect two computers using telephone line is called:

39) The communication across WAN occurs using:

40) The process of transferring a file from our own computer to the remote computer on a network:

41) Physical path that connects the source and receiver is known as:

42) How many types of network standard are there

43) Which type of data consists of words,sentences and paragraphs?

44) A computer network must contain at least number of computers:

45) signal is a continuous electrical signal in the form of wave.

46) EBCDIC is a

47) Computer transmit data in the form of codes.

48) 50.This type of transmission is sometimes called start/stop transmission

49) .The conversation over a walkie-talkie radio is-an example of:

50) A LAN is a combination of:

51) Data is transmitted block by block in: .

52) The layer lies between the network layer and the application layer

53) OSI reference model has:

54) Layer that is responsible for transferring frames is

55) Many networks include a central computer called:

56) The height of wave within a given period of time is known as:

57) MAN stands for:

58) What is another term for guided media?

59) Which of the following coding schemes uses 4-bit code?

60) Digital signal represents a sequence of values.

61) Which of the following can severally affect the quality of satellite transmission?

62) In WAN, the communication software that allows a personal computer to appear as terminal is call

63) The layer that defines the formats the data uses as it in transmitted on the communication line

64) The layer that is in between of session and application layer is

65) The primary difference between a LAN and a WAN is:

66) The set of rules to exchange data in a communications network is called:

67) The computers in wide geographical area can be efficiently connected by:

68) A combination of both client/server and peer-to-peer network is_______network

69) The services on the Internet include

70) Data link have two separate sub-layers known as:

71) All of the following are elements of data communication system EXCEPT:

72) In star topology, the central device is called:

73) How many modes of data communication are available?

74) .Which transmission type transmits data one character at a time

75) Transmission from Earth to satellite is called:

76) Which of the following devices uses parallel transmission?

77) The topology used for a small number of computers is called:

78) Segmentation and reassembly is the responsibility of:

79) LAN does not use:

80) Which of the following is a governing body to approve the network standards?

81) The ITU was formerly known as:

82) How many characters can Unicode represcnt?

83) A device used to connect similar networks is called:

84) Which type of modem can be added to the system unit through expansion slot?

85) A device that connect multiple network using similar or different protocol is:

86) Which of the following is NOT a coding scheme to represent data in computer?

87) The layer that is concerned with addressing and routing is called:

88) Computer networks are the convergence of two important technologies

89) The mode that is like a two way street with traffic flowing in both direction at the.same time is ca

90) DSL stands for

91) Television and radio broadcasts are examples of:

92) A type of communication that sends data using flow control to synchronize data between sender

93) NIC stands for:

94) Mail services are available to network users through the_______layer.

95) Which of the following transmission media is used in LAN?

96) Which network covers a large area:

97) A type of communication that sends that uses a clock to control timing of bits being sent is called:

98) The electromagnetic or light waves representing data are called:

99) Which of the following cables consists of a single core of solid copper?

100) The_________layer is the layer closest to the transmission medium