Aiou Workshop 5403| Test 4

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

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

3) Which of the following devices uses parallel transmission?

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

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

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

7) The act of listening to the medium for a message is called:

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

9) LAN stands for:

10) FTP facility is used to:

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

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

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

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

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

16) Terminators are used in______ topology:

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

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

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

20) Which network covers a large area:

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

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

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

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

25) A network that places all nodes on a single cable is called:

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

27) Which is the most common LAN topology?

28) The second layer of OSI model is

29) NIC stands for:

30) The services on the Internet include

31) The message sent on a ____ network can take any of several possible paths from source to destination

32) Mobile phone(Cellular) systems often use:

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

34) ISDN stands for:

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

36) OSI stands for:

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

38) One or more computers connected to a hub is called:

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

40) NIC allows direct connection to:

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

42) FDDI is a __________network.

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

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

45) The communication across WAN occurs using:

46) Physical path that connects the source and receiver is known as:

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

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

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

50) People on LAN can share:

51) Which of the following is communications device

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

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

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

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

56) Which type of network covers a small area?

57) Select unguided media from the following:

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

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

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

61) Transmission media are usually categorized as_

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

63) Analog signal is measured in:

64) IBM stands for:

65) BCD stands for:

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

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

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

69) The types.of signals can be:

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

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

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

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

74) Computer networks are the convergence of two important technologies

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

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

77) Computer transmit data in the form of codes.

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

79) Frequency is measured in:

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

81) OSI reference model has:

82) An example of non-numerical data is:

83) How many types of network standard are there

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

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

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

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

88) Which of the following is NOT a benefit of computer networks?

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

90) How many modes of data communication are available?

91) MAN stands for:

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

93) The diameter of fiber optical cable is:

94) Digital signals are commonly known as:

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

96) Which of the following is the fastest communication mode

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

98) Defacto means:

99) Many networks include a central computer called:

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