Aiou Workshop 5403| Test 4

1) Transmission from Earth to satellite is called:

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

3) FTP stands for

4) A network that places all nodes on a single cable is called:

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

6) In_______a node listens to bus for specified time and waits until node has completed transmission

7) LAN stands for:

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

9) BCD stands for:

10) Full-duplex communication is made. possible by the.devices known as:

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

12) Frequency is measured in:

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

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

15) Data is transmitted block by block in: .

16) Most data .transmitted over telephone lines uses:.

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

18) Which medium transmits voice and data via air as high-frequency radio waves?

19) Which kind of signal is mostly required by telephone lines?

20) De Jure means

21) The layer that provides services that directly support user application:

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

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

24) Internet surfing is an example of:

25) Star topology is less expensive than:

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

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

28) A LAN is a combination of:

29) An advantage of synchronous over asynchronous transmission is:

30) A collection of related web pages is called:

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

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

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

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

35) Segmentation and reassembly is the responsibility of:

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

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

38) A network that transmits data over citywide distance faster than LAN is:

39) Which of the following code can represent up to 65,536 symbols?

40) How many modes of data communication are available?

41) Computer transmit data in the form of codes.

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

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

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

45) Two dissimilar networks can be connected by a:

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

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

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

49) All of the following are guided communications media EXCEPT:

50) Bps is short for:

51) Data link layer lies between the physical layer and the_______layer

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

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

54) Which of the following technique uses modulation?

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

56) Which communications medium requires line-of-sight?

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

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

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

60) The number of frequencies that can fit on a link at one time is called:

61) MAN stands for:

62) Which of following protocols are properly researched, designed and finally published as a standard?

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

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

65) People on LAN can share:

66) ASCII code was.developed by:

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

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

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

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

71) Which of the following is communications device

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

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

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

75) Each computer on a network is called a:

76) Which protocol works on the concepts of ring topology and a token?

77) The music and speech.represent:

78) What is another term for guided media?

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

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

81) A LAN protocol in which all computers and devices on the network pass a special signal known as:

82) Which of the following is an internet protocol?

83) FDDI is a __________network.

84) Which of the following features is provided with a modem?

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

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

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

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

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

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

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

92) Mobile phone(Cellular) systems often use:

93) Computer networks are the convergence of two important technologies

94) The communication channels can be divided into_categories:

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

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

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

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

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

100) The most commonly used LAN protocol is: