1) Bps is short for:

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

3) Mobile phone(Cellular) systems often use:

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

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

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

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

8) Unicode uses:

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

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

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

12) Sound,light and radio waves are examples of

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

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

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

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

17) De Jure means

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

19) Transmission from Earth to satellite is called:

20) The music and speech.represent:

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

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

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

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

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

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

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

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

29) People on LAN can share:

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

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

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

33) Modem stands for:

34) Two dissimilar networks can be connected by a:

35) Which of the following is the fastest communication mode

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

37) Which of the following devices uses parallel transmission?

38) Which is NOT a LAN protocol?

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

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

41) Which of the following is communications device

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

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

44) OSI stands for:

45) Data is transmitted block by block in: .

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

47) NIC allows direct connection to:

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

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

50) EBCDIC is a

51) What is another term for unguided media?

52) An advantage of synchronous over asynchronous transmission is:

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

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

55) The most commonly used LAN protocol is:

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

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

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

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

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

61) FTP facility is used to:

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

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

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

65) Terminal is a:

66) Each computer on a network is called a:

67) The process of transferring data electronically from one place to another is caled

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

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

70) Which type of network covers a small area?

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

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

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

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

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

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

77) Star topology is less expensive than:

78) FTP stands for

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

80) The ITU was formerly known as:

81) The second layer of OSI model is

82) An example of non-numerical data is:

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

84) An important property of fiber optic cable is:

85) A collection of related web pages is called:

86) Internet surfing is an example of:

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

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

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

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

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

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

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

94) Select unguided media from the following:

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

96) A LAN is a combination of:

97) The communication channels can be divided into_categories:

98) BCD code is a_

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

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