1) Which layer is responsible to establish, maintain and terminate user connection

2) code is 7-bit or.8-bit code.

3) The services on the Internet include

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

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

6) EBCDIC is a

7) FDDI is a __________network.

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

9) Each computer on a network is called a:

10) Each set of bit pattern is called:

11) BCD stands for:

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

13) ISDN stands for:

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

15) Many networks include a central computer called:

16) Terminal is a:

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

18) NIC allows direct connection to:

19) The music and speech.represent:

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

21) LAN does not use:

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

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

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

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

26) Which of the following devices uses parallel transmission?

27) Which of the following coding schemes uses 4-bit code?

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

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

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

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

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

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

34) Two dissimilar networks can be connected by a:

35) Which of following protocols are properly researched, designed and finally published as a standard?

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

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

38) How many characters can Unicode represcnt?

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

40) The_________layer is the layer closest to the transmission medium

41) What is another term for unguided media?

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

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

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

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

46) Digital signal represents a sequence of values.

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

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

49) Which is NOT a LAN protocol?

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

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

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

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

54) A collection of related web pages is called:

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

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

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

58) The diameter of fiber optical cable is:

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

60) Mobile phone(Cellular) systems often use:

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

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

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

64) DSL stands for

65) An important property of fiber optic cable is:

66) The communication across WAN occurs using:

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

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

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

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

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

72) FTP stands for

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

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

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

76) Which type of network covers a small area?

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

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

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

80) Frequency is measured in:

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

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

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

84) Route determination can be identified by:

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

86) Layer that is responsible for transferring frames is

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

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

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

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

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

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

93) ASCII code was.developed by:

94) How many types of network standard are there

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

96) What layer of OSI models performs data compression?

97) People on LAN can share:

98) The most commonly used LAN protocol is:

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

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