Aiou Workshop 5403| Test 4

1) The types.of signals can be:

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

3) Two dissimilar networks can be connected by a:

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

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

6) The medium in which signals travel through a cable or wire is called:

7) A LAN is a combination of:

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

9) Which network covers a large area:

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

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

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

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

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

15) Layer that is responsible for transferring frames is

16) How many types of network standard are there

17) Bps is short for:

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

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

20) Digital signal represents a sequence of values.

21) Modem stands for:

22) Internet surfing is an example of:

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

24) What is another term for unguided media?

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

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

27) Digital signals are commonly known as:

28) Which is NOT a LAN protocol?

29) Route determination can be identified by:

30) A fiber-optic cable’s core is measured in:

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

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

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

34) Each computer on a network is called a:

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

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

37) Which of the following is an internet protocol?

38) Which of the following devices uses parallel transmission?

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

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

41) BCD stands for:

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

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

44) The transmission rate of modem can be measured in:

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

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

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

48) An example of non-numerical data is:

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

50) The second layer of OSI model is

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

52) Unicode uses:

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

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

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

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

57) LAN does not use:

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

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

60) Which of the following topologies uses routers?

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

62) An important property of fiber optic cable is:

63) How many characters can Unicode represcnt?

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

65) How many modes of data communication are available?

66) OSI model was created by:

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

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

69) FTP facility is used to:

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

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

72) OSI reference model has:

73) Which layer is responsible to establish, maintain and terminate user connection

74) A network that covers a limited geographic distance such as an office is called:

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

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

77) People on LAN can share:

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

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

80) Which type of network covers a small area?

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

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

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

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

85) Segmentation and reassembly is the responsibility of:

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

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

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

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

90) An advantage of synchronous over asynchronous transmission is:

91) Computer transmit data in the form of codes.

92) Analog signal is measured in:

93) The communication channels can be divided into_categories:

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

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

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

97) FDDI is a __________network.

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

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

100) What layer of OSI models performs data compression?