Aiou Workshop 5403| Test 4

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

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

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

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

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

6) The most commonly used LAN protocol is:

7) FTP stands for

8) A collection of related web pages is called:

9) The_________layer is the layer closest to the transmission medium

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

11) Each set of bit pattern is called:

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

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

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

15) Which of the following is communications device

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

17) The diameter of fiber optical cable is:

18) A type of communication that sends data using flow control to synchronize data between sender

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

20) Computer networks are the convergence of two important technologies

21) Star topology is less expensive than:

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

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

24) LAN stands for:

25) FTP facility is used to:

26) The services on the Internet include

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

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

29) How many characters can Unicode represcnt?

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

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

32) NIC allows direct connection to:

33) Computer transmit data in the form of codes.

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

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

36) BCD code is a_

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

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

39) Which of the following devices uses parallel transmission?

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

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

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

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

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

45) Transmission media are usually categorized as_

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

47) How many modes of data communication are available?

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

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

50) Modem stands for:

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

52) Data is transmitted block by block in: .

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

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

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

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

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

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

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

60) Bps is short for:

61) Full-duplex communication is made. possible by the.devices known as:

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

63) OSI stands for:

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

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

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

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

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

69) Internet surfing is an example of:

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

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

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

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

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

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

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

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

78) Digital signal represents a sequence of values.

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

80) Sound,light and radio waves are examples of

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

82) Defacto means:

83) Select unguided media from the following:

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

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

86) An advantage of synchronous over asynchronous transmission is:

87) Route determination can be identified by:

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

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

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

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

92) Analog signal is measured in:

93) The communication channels can be divided into_categories:

94) Each computer on a network is called a:

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

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

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

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

99) Which of the following topologies uses routers?

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