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

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

3) BCD code is a_

4) NIC stands for:

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

6) What is another term for guided media?

7) LAN does not use:

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

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

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

11) Bps is short for:

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

13) Which network covers a large area:

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

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

16) Digital signal represents a sequence of values.

17) The most commonly used LAN protocol is:

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

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

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

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

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

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

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

25) Segmentation and reassembly is the responsibility of:

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

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

28) Terminators are used in______ topology:

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

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

31) Which of the following is communications device

32) Computer transmit data in the form of codes.

33) Which of the following is an internet protocol?

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

35) Mobile phone(Cellular) systems often use:

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

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

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

39) Which of the following is the fastest communication mode

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

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

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

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

44) People on LAN can share:

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

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

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

48) Many networks include a central computer called:

49) Two dissimilar networks can be connected by a:

50) Which is the most common LAN topology?

51) EBCDIC is a

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

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

54) FTP stands for

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

56) The computers in wide geographical area can be efficiently connected by:

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

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

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

60) The_________layer is the layer closest to the transmission medium

61) Digital signals are commonly known as:

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

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

64) Terminal is a:

65) An advantage of synchronous over asynchronous transmission is:

66) Star topology is less expensive than:

67) Transmission media are usually categorized as_

68) Modem stands for:

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

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

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

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

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

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

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

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

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

78) Each computer on a network is called a:

79) Sound,light and radio waves are examples of

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

81) IBM stands for:

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

83) Select unguided media from the following:

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

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

86) The primary difference between a LAN and a WAN is:

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

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

89) The second layer of OSI model is

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

91) The services on the Internet include

92) A collection of related web pages is called:

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

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

95) ISDN stands for:

96) Data is transmitted block by block in: .

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

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

99) The ITU was formerly known as:

100) The music and speech.represent: