Aiou Workshop 5403| Test 4

1) FTP facility is used to:

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

3) The services on the Internet include

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

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

6) Defacto means:

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

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

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

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

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

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

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

14) FDDI is a __________network.

15) Which is NOT a LAN protocol?

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

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

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

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

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

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

22) The communication channels can be divided into_categories:

23) Which of the following topologies uses routers?

24) Select unguided media from the following:

25) Segmentation and reassembly is the responsibility of:

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

27) Transmission media are usually categorized as_

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

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

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

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

32) How many modes of data communication are available?

33) How many types of network standard are there

34) Transmission from Earth to satellite is called:

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

36) Mobile phone(Cellular) systems often use:

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

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

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

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

41) Which problem occurs when two workstations on shared Ethernet try to access LAN at the same time

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

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

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

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

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

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

48) Terminal is a:

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

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

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

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

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

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

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

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

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

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

59) Television and radio broadcasts are examples of:

60) Digital signals are commonly known as:

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

62) Which of the following is communications device

63) The diameter of fiber optical cable is:

64) Analog signal is measured in:

65) BCD stands for:

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

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

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

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

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

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

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

73) Bps is short for:

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

75) Which of the following technique uses modulation?

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

77) Which type of network covers a small area?

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

79) OSI model was created by:

80) Which network covers a large area:

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

82) A LAN is a combination of:

83) ASCII code was.developed by:

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

85) What type of network is the Internet?

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

87) Which of the following devices uses parallel transmission?

88) Two dissimilar networks can be connected by a:

89) The ITU was formerly known as:

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

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

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

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

94) Digital signal represents a sequence of values.

95) A collection of related web pages is called:

96) ISDN stands for:

97) Sound,light and radio waves are examples of

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

99) The communication across WAN occurs using:

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