Aiou Workshop 5403| Test 4

1) ASCII code was.developed by:

2) A collection of related web pages is called:

3) Frequency is measured in:

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

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

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

7) NIC allows direct connection to:

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

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

10) Which type of network covers a small area?

11) Segmentation and reassembly is the responsibility of:

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

13) LAN stands for:

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

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

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

17) The music and speech.represent:

18) Star topology is less expensive than:

19) A network that covers a limited geographic distance such as an office is called:

20) BCD stands for:

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

22) The diameter of fiber optical cable is:

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

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

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

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

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

28) Many networks include a central computer called:

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

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

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

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

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

34) FTP facility is used to:

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

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

37) Which is the most common LAN topology?

38) OSI reference model has:

39) Which of the following topologies uses routers?

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

41) OSI model was created by:

42) OSI stands for:

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

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

45) People on LAN can share:

46) FTP stands for

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

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

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

50) Each computer on a network is called a:

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

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

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

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

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

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

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

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

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

60) An example of non-numerical data is:

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

62) The_________layer is the layer closest to the transmission medium

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

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

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

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

67) The communication channels can be divided into_categories:

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

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

70) Bps is short for:

71) LAN does not use:

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

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

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

75) Layer that is responsible for transferring frames is

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

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

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

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

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

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

82) ISDN stands for:

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

84) What is another term for guided media?

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

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

87) Modem stands for:

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

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

90) Defacto means:

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

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

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

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

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

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

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

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

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

100) Analog signal is measured in: