Aiou Workshop 5403| Test 4

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

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

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

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

5) DSL stands for

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

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

8) Route determination can be identified by:

9) A LAN is a combination of:

10) Data is transmitted block by block in: .

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

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

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

14) LAN stands for:

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

16) How many types of network standard are there

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

18) OSI stands for:

19) Digital signal represents a sequence of values.

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

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

22) Transmission from Earth to satellite is called:

23) The services on the Internet include

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

25) What layer of OSI models performs data compression?

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

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

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

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

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

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

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

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

34) How many devices can exist between a sending and receiving host?

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

36) Analog signal is measured in:

37) An important property of fiber optic cable is:

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

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

40) MAN stands for:

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

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

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

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

45) Transmission that is used without timing signal is called:

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

47) Frequency is measured in:

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

49) Mobile phone(Cellular) systems often use:

50) The_________layer is the layer closest to the transmission medium

51) An advantage of synchronous over asynchronous transmission is:

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

53) A collection of related web pages is called:

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

55) People on LAN can share:

56) BCD code is a_

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

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

59) Select unguided media from the following:

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

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

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

63) The physical layout of a network is known as:

64) Bps is short for:

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

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

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

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

69) Which is the most common LAN topology?

70) Segmentation and reassembly is the responsibility of:

71) Computer networks are the convergence of two important technologies

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

73) Defacto means:

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

75) The most commonly used LAN protocol is:

76) Computer transmit data in the form of codes.

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

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

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

80) Many networks include a central computer called:

81) OSI model was created by:

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

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

84) How many modes of data communication are available?

85) Sound,light and radio waves are examples of

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

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

88) IBM stands for:

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

90) The second layer of OSI model is

91) ISDN stands for:

92) Which of the following is the fastest communication mode

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

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

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

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

97) Modem stands for:

98) A combination of both client/server and peer-to-peer network is_______network

99) Unicode uses:

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