Aiou Workshop 5403| Test 4

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

2) Each computer on a network is called a:

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

4) What type of network is the Internet?

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

6) De Jure means

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

8) The diameter of fiber optical cable is:

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

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

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

12) Layer that is responsible for transferring frames is

13) Which multiplexing technique shifts each signal to a different carrier frequency?

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

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

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

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

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

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

20) Terminators are used in______ topology:

21) Which modem is used to transmit data signals through air instead of cable?

22) Data is transmitted block by block in: .

23) Television and radio broadcasts are examples of:

24) DSL stands for

25) BCD stands for:

26) Many networks include a central computer called:

27) The most commonly used LAN protocol is:

28) How many characters can Unicode represcnt?

29) An advantage of synchronous over asynchronous transmission is:

30) IBM stands for:

31) Route determination can be identified by:

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

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

34) OSI stands for:

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

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

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

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

39) The types.of signals can be:

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

41) ISDN stands for:

42) Mobile phone(Cellular) systems often use:

43) Terminal is a:

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

45) The music and speech.represent:

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

47) LAN does not use:

48) Each set of bit pattern is called:

49) OSI reference model has:

50) A computer network in which all computers have equal status and no one have control over others:

51) Which is NOT a LAN protocol?

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

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

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

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

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

57) Bps is short for:

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

59) Which is the most common LAN topology?

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

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

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

63) OSI model was created by:

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

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

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

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

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

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

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

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

72) Digital signal represents a sequence of values.

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

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

75) MAN stands for:

76) Computer networks are the convergence of two important technologies

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

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

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

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

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

82) Two dissimilar networks can be connected by a:

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

84) The communication channels can be divided into_categories:

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

86) How many modes of data communication are available?

87) What layer of OSI models performs data compression?

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

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

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

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

92) How many types of network standard are there

93) The_________layer is the layer closest to the transmission medium

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

95) Segmentation and reassembly is the responsibility of:

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

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

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

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

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