Aiou Workshop 5403| Test 4

1) The layer that is concerned with addressing and routing is called:

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

3) Unicode uses:

4) Which of the following topologies uses routers?

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

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

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

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

9) NIC stands for:

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

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

12) Modem stands for:

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

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

15) Which of the following is an internet protocol?

16) A LAN is a combination of:

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

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

19) The ITU was formerly known as:

20) Two dissimilar networks can be connected by a:

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

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

23) Star topology is less expensive than:

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

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

26) Which of the following is NOT a benefit of computer networks?

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

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

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

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

31) Transmission from Earth to satellite is called:

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

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

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

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

36) Which of the following technique uses modulation?

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

38) Digital signal represents a sequence of values.

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

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

41) Which of the following is the fastest communication mode

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

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

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

45) The diameter of fiber optical cable is:

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

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

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

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

50) Each set of bit pattern is called:

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

52) EBCDIC is a

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

54) How many modes of data communication are available?

55) Television and radio broadcasts are examples of:

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

57) BCD stands for:

58) ASCII code was.developed by:

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

60) An example of non-numerical data is:

61) Layer that is responsible for transferring frames is

62) What is another term for guided media?

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

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

65) The’transmission in which data can be received and. sent simultaneously is called:

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

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

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

69) The services on the Internet include

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

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

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

73) OSI model was created by:

74) Defacto means:

75) Bps is short for:

76) LAN does not use:

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

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

79) FDDI is a __________network.

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

81) BCD code is a_

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

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

84) OSI stands for:

85) An advantage of synchronous over asynchronous transmission is:

86) Mobile phone(Cellular) systems often use:

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

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

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

90) De Jure means

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

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

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

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

95) Which of the following devices uses parallel transmission?

96) Which is NOT a LAN protocol?

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

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

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

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