Aiou Workshop 5403| Test 4

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

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

3) BCD stands for:

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

5) IBM stands for:

6) ISDN stands for:

7) ASCII code was.developed by:

8) Internet surfing is an example of:

9) Analog signal is measured in:

10) Ethernet, Token bus and Token Ring have been defined by:

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

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

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

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

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

16) How many characters can Unicode represcnt?

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

18) The communication across WAN occurs using:

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

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

21) How many modes of data communication are available?

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

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

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

25) An advantage of synchronous over asynchronous transmission is:

26) Data is transmitted block by block in: .

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

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

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

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

31) Which of the following consists of thin glass to transmit beams of light?

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

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

34) Which of the following devices uses parallel transmission?

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

36) Full-duplex communication is made. possible by the.devices known as:

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

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

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

40) Computer networks are the convergence of two important technologies

41) What is another term for guided media?

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

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

44) What is another term for unguided media?

45) Which multiplexing technique shifts each signal to a different carrier frequency?

46) OSI stands for:

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

48) The music and speech.represent:

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

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

51) Transmission media are usually categorized as_

52) The services on the Internet include

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

54) Which of the following is NOT a category of network?

55) Two dissimilar networks can be connected by a:

56) What layer of OSI models performs data compression?

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

58) Which of the following is the fastest communication mode

59) Which network covers a large area:

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

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

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

63) OSI model was created by:

64) Terminators are used in______ topology:

65) Bps is short for:

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

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

68) Which of the following topologies uses routers?

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

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

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

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

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

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

75) LAN stands for:

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

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

78) OSI reference model has:

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

80) NIC allows direct connection to:

81) The ITU was formerly known as:

82) A LAN is a combination of:

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

84) The most commonly used LAN protocol is:

85) Each set of bit pattern is called:

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

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

88) Select unguided media from the following:

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

90) Route determination can be identified by:

91) Which is NOT a LAN protocol?

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

93) FTP stands for

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

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

96) Unicode uses:

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

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

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

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