Aiou Workshop 5403| Test 4

1) BCD code is a_

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

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

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

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

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

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

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

9) The ITU was formerly known as:

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

11) ASCII code was.developed by:

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

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

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

15) Frequency is measured in:

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

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

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

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

20) Television and radio broadcasts are examples of:

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

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

23) How many types of network standard are there

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

25) NIC allows direct connection to:

26) What layer of OSI models performs data compression?

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

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

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

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

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

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

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

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

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

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

37) How many modes of data communication are available?

38) An example of non-numerical data is:

39) What is another term for guided media?

40) Terminators are used in______ topology:

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

42) The types.of signals can be:

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

44) MAN stands for:

45) De Jure means

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

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

48) What is another term for unguided media?

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

50) The most commonly used LAN protocol is:

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

52) The diameter of fiber optical cable is:

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

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

55) NIC stands for:

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

57) Unicode uses:

58) FTP facility is used to:

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

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

61) Analog signal is measured in:

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

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

64) Which of the following is the fastest communication mode

65) The_________layer is the layer closest to the transmission medium

66) The music and speech.represent:

67) Which is the most common LAN topology?

68) Transmission from Earth to satellite is called:

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

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

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

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

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

74) OSI stands for:

75) Which of the following devices uses parallel transmission?

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

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

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

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

80) Modem stands for:

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

82) LAN stands for:

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

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

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

86) LAN does not use:

87) The communication channels can be divided into_categories:

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

89) FTP stands for

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

91) People on LAN can share:

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

93) Two dissimilar networks can be connected by a:

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

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

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

97) Bps is short for:

98) How many characters can Unicode represcnt?

99) DSL stands for

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