Aiou Workshop 5403| Test 4

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

2) Data is transmitted block by block in: .

3) The communication across WAN occurs using:

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

5) How many characters can Unicode represcnt?

6) Which of the following is communications device

7) IBM stands for:

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

9) The ITU was formerly known as:

10) Modem stands for:

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

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

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

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

15) Two dissimilar networks can be connected by a:

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

17) What binary bits are used to encode digital data?

18) The diameter of fiber optical cable is:

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

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

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

22) OSI stands for:

23) The communication channels can be divided into_categories:

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

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

26) OSI reference model has:

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

28) LAN does not use:

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

30) People on LAN can share:

31) OSI model was created by:

32) Analog signal is measured in:

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

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

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

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

37) EBCDIC is a

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

39) FTP stands for

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

41) What is another term for guided media?

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

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

44) Digital signals are commonly known as:

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

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

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

48) Which of the following devices uses parallel transmission?

49) Each computer on a network is called a:

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

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

52) MAN stands for:

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

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

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

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

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

58) Unicode uses:

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

60) Digital signal represents a sequence of values.

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

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

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

64) Which of the following is not a communication media?

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

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

67) What is another term for unguided media?

68) Computer transmit data in the form of codes.

69) The services on the Internet include

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

71) Bps is short for:

72) Select unguided media from the following:

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

74) DSL stands for

75) Satellite transmission stations that can both send and receive messages are called:

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

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

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

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

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

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

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

83) How many types of network standard are there

84) What layer of OSI models performs data compression?

85) Each set of bit pattern is called:

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

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

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

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

90) Which of the following topologies uses routers?

91) Which of the following technique uses modulation?

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

93) Defacto means:

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

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

96) Which of the following is a De Facto standard?

97) The types.of signals can be:

98) The music and speech.represent:

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

100) Terminal is a: