Aiou Workshop 5403| Test 4

1) ISDN stands for:

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

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

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

5) Transmission from Earth to satellite is called:

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

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

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

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

10) What is another term for guided media?

11) A collection of related web pages is called:

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

13) Which of the following technique uses modulation?

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

15) Two dissimilar networks can be connected by a:

16) The process of transferring data electronically from one place to another is caled

17) Which is the most common LAN topology?

18) DSL stands for

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

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

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

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

23) LAN stands for:

24) Analog signal is measured in:

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

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

27) EBCDIC is a

28) LAN does not use:

29) BCD code is a_

30) Terminators are used in______ topology:

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

32) De Jure means

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

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

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

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

37) Sound,light and radio waves are examples of

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

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

40) An important property of fiber optic cable is:

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

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

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

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

45) Which of the following is communications device

46) How many characters can Unicode represcnt?

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

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

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

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

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

52) Computer transmit data in the form of codes.

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

54) OSI model was created by:

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

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

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

58) Which of the following consists of two insulated copper wires twisted together?

59) Transmission media are usually categorized as_

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

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

62) An example of non-numerical data is:

63) The most commonly used LAN protocol is:

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

65) OSI reference model has:

66) Star topology is less expensive than:

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

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

69) Select unguided media from the following:

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

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

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

73) ASCII code was.developed by:

74) The bottem most layer of the OSI is called:

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

76) What type of network is the Internet?

77) Which of the following is an internet protocol?

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

79) People on LAN can share:

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

81) NIC stands for:

82) Which type of network covers a small area?

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

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

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

86) NIC allows direct connection to:

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

88) What layer of OSI models performs data compression?

89) Segmentation and reassembly is the responsibility of:

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

91) The ITU was formerly known as:

92) Many networks include a central computer called:

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

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

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

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

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

98) Which of the following devices uses parallel transmission?

99) Which of the following is the fastest communication mode

100) Route determination can be identified by: