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

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

3) Which of the following topologies uses routers?

4) What layer of OSI models performs data compression?

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

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

7) Which of the following technique uses modulation?

8) Analog signal is measured in:

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

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

11) LAN stands for:

12) FTP facility is used to:

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

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

15) OSI model was created by:

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

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

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

19) Which type of network covers a small area?

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

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

22) The types.of signals can be:

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

24) OSI stands for:

25) FDDI is a __________network.

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

27) Which is NOT a LAN protocol?

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

29) Layer that is responsible for transferring frames is

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

31) Mobile phone(Cellular) systems often use:

32) What type of network is the Internet?

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

34) The second layer of OSI model is

35) Route determination can be identified by:

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

37) Computer networks are the convergence of two important technologies

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

39) DSL stands for

40) LAN does not use:

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

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

43) ASCII code was.developed by:

44) Bps is short for:

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

46) Internet surfing is an example of:

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

48) Which of the following devices uses parallel transmission?

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

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

51) Terminal is a:

52) The communication across WAN occurs using:

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

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

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

56) Select unguided media from the following:

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

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

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

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

61) Which network covers a large area:

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

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

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

65) IBM stands for:

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

67) Television and radio broadcasts are examples of:

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

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

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

71) MAN stands for:

72) A collection of related web pages is called:

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

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

75) Frequency is measured in:

76) Digital signal represents a sequence of values.

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

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

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

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

81) The diameter of fiber optical cable is:

82) The topology used for a small number of computers is called:

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

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

85) Modem stands for:

86) Which of the following is communications device

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

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

89) NIC allows direct connection to:

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

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

92) BCD stands for:

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

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

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

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

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

98) NIC stands for:

99) The music and speech.represent:

100) Computer transmit data in the form of codes.