1) How many characters can Unicode represcnt?

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

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

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

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

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

7) What type of network is the Internet?

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

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

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

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

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

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

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

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

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

17) Bps is short for:

18) Computer networks are the convergence of two important technologies

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

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

21) An important property of fiber optic cable is:

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

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

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

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

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

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

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

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

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

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

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

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

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

35) What is another term for guided media?

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

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

38) A LAN is a combination of:

39) Computer transmit data in the form of codes.

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

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

42) FTP stands for

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

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

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

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

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

48) FDDI is a __________network.

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

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

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

52) The music and speech.represent:

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

54) Frequency is measured in:

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

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

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

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

59) The diameter of fiber optical cable is:

60) Unicode uses:

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

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

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

64) Which of the following devices uses parallel transmission?

65) ASCII code was.developed by:

66) LAN stands for:

67) What is another term for unguided media?

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

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

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

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

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

73) Which type of network covers a small area?

74) Layer that is responsible for transferring frames is

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

76) OSI reference model has:

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

78) Two dissimilar networks can be connected by a:

79) Defacto means:

80) LAN does not use:

81) NIC stands for:

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

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

84) FTP facility is used to:

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

86) The most commonly used LAN protocol is:

87) Sound,light and radio waves are examples of

88) Star topology is less expensive than:

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

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

91) DSL stands for

92) Modem stands for:

93) Which is NOT a LAN protocol?

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

95) The second layer of OSI model is

96) Transmission media are usually categorized as_

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

98) Select unguided media from the following:

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

100) Terminal is a: