Aiou Workshop 5403| Test 4

1) Which network covers a large area:

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

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

4) MAN stands for:

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

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

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

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

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

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

11) An example of non-numerical data is:

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

13) Many networks include a central computer called:

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

15) DSL stands for

16) How many types of network standard are there

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

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

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

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

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

22) Start/stop bits are not required in this type of transmission.

23) LAN does not use:

24) Transmission from Earth to satellite is called:

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

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

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

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

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

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

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

32) Frequency is measured in:

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

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

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

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

37) LAN stands for:

38) A telephone conversation is’an example of:.

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

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

41) The communication across WAN occurs using:

42) Which of the following is an internet protocol?

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

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

45) NIC allows direct connection to:

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

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

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

49) Television and radio broadcasts are examples of:

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

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

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

53) Star topology is less expensive than:

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

55) A LAN is a combination of:

56) Computer networks are the convergence of two important technologies

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

58) The most commonly used LAN protocol is:

59) The services on the Internet include

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

61) An important property of fiber optic cable is:

62) Two dissimilar networks can be connected by a:

63) FTP facility is used to:

64) What is another term for guided media?

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

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

67) Which of the following technique uses modulation?

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

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

70) Computer transmit data in the form of codes.

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

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

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

74) Layer that is responsible for transferring frames is

75) NIC stands for:

76) Each computer on a network is called a:

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

78) OSI reference model has:

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

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

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

82) FTP stands for

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

84) Terminators are used in______ topology:

85) People on LAN can share:

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

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

88) Defacto means:

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

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

91) What type of network is the Internet?

92) Mobile phone(Cellular) systems often use:

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

94) Analog signal is measured in:

95) What is another term for unguided media?

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

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

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

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

100) OSI model was created by: