Aiou Workshop 5403| Test 4

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

2) The signals produced by a computer to send over phone line must be converted to:

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

4) Each set of bit pattern is called:

5) Which one is NOT a De-jure standard?

6) Project 802 defines standard for which layers of the OSI model:

7) Which of the following topology is used by Ethernet protocol?

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

9) The second layer of OSI model is

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

11) One or more computers connected to a hub is called:

12) Which LAN access method resolves the contention between two or more nodes by collision detection

13) IBM stands for:

14) The message sent on a ____ network can take any of several possible paths from source to destination

15) The network architecture that allows every computer to act as client as well as a server is:

16) Which value in start bit indicates that the transmission line is idle?

17) A set of documents stored on computer permanently connected with Internet is:

18) Many networks include a central computer called:

19) Each computer on a network is called a:

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

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

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

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

24) Frequency is measured in:

25) An example of non-numerical data is:

26) Which of the following consists of two insulated copper wires twisted together?

27) BCD code is a_

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

29) ASCII code was.developed by:

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

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

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

33) How many modes of data communication are available?

34) DSL stands for

35) The act of listening to the medium for a message is called:

36) Which of the following is NOT a category of network?

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

38) code is 7-bit or.8-bit code.

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

40) The process of converting analog to digital signal is known as:

41) The most commonly used LAN protocol is:

42) The process of converting a digital signal to an analog signal is called:

43) The process of transferring a file from remote computer to local computer on network is called

44) What binary bits are used to encode digital data?

45) Route determination can be identified by:

46) Sound,light and radio waves are examples of

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

48) Which of the following is the insulation on a fiber-optic cable?

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

50) The network that connects different campuses of a college in city is an example of:

51) Internet surfing is an example of:

52) Which of the following type of data is used to display actions and movement?.

53) The layer is used to control how a bit-streams of data is sent and received over physical medium

54) Which is NOT a LAN protocol?

55) OSI reference model has:

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

57) How many pairs of computers can simultaneously communicate on Ethernet LAN?

58) Which of the following technique uses modulation?

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

60) Computer transmit data in the form of codes.

61) Which is the most secure type of transmission medium?

62) In the OSI model, encryption and decryption are functions of the________?

63) Which of the following devices uses parallel transmission?

64) Which of the following consists of thin glass to transmit beams of light?

65) A network that covers a large geographic distance such as a country is called a:

66) Which transmission allows data to travel in one direction at a time?

67) Which of the following is not a:data communication mode?

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

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

70) LAN does not use:

71) FTP facility is used to:

72) A modem allows computers to access other computers through following types of connection

73) Which of the following converts digital signals to analog and analog to digital?

74) Transmission media are usually categorized as_

75) Terminators are used in______ topology:

76) Layer that is responsible for transferring frames is

77) Mobile phone(Cellular) systems often use:

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

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

80) The physical layout of a network is known as:

81) Transmission that is used without timing signal is called:

82) How many characters ASCII 8-bit code can represent?

83) Data is transmitted block by block in: .

84) The top most layer of the OSI is called:

85) A LAN is a combination of:

86) Unicode uses:

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

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

89) Cabling on a linear bus topology can be extended using which of following?

90) Which of the following is an internet protocol?

91) FDDI is a __________network.

92) How many characters ASCII 7-bit code can represent?

93) Which problem occurs when two workstations on shared Ethernet try to access LAN at the same time

94) The time taken by a data signal to reach to moon and then back to earth was about:

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

96) NIC stands for:

97) The diameter of fiber optical cable is:

98) FTP stands for

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

100) The technology of long-distance communication is known as: