Aiou Workshop 5403| Test 4

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

2) Layer that is responsible for transferring frames is

3) An example of non-numerical data is:

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

5) The ITU was formerly known as:

6) The signals produced by a computer to send over phone line must be converted to:

7) Many networks include a central computer called:

8) Unicode uses:

9) An important property of fiber optic cable is:

10) OSI stands for:

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

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

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

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

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

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

17) Star topology is less expensive than:

18) Frequency is measured in:

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

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

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

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

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

24) FTP stands for

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

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

27) The services on the Internet include

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

29) FTP facility is used to:

30) How many modes of data communication are available?

31) ASCII code was.developed by:

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

33) How many types of network standard are there

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

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

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

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

38) What is another term for unguided media?

39) Which of the following topologies uses routers?

40) Defacto means:

41) BCD code is a_

42) The_________layer is the layer closest to the transmission medium

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

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

45) Route determination can be identified by:

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

47) The diameter of fiber optical cable is:

48) code is 7-bit or.8-bit code.

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

50) OSI reference model has:

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

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

53) Two dissimilar networks can be connected by a:

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

55) Segmentation and reassembly is the responsibility of:

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

57) The most commonly used LAN protocol is:

58) Transmission media are usually categorized as_

59) Which network covers a large area:

60) Digital signal represents a sequence of values.

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

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

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

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

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

66) LAN does not use:

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

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

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

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

71) ISDN stands for:

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

73) Computer networks are the convergence of two important technologies

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

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

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

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

78) De Jure means

79) Which of the following transmission media is used in LAN?

80) MAN stands for:

81) NIC stands for:

82) Which is the most common LAN topology?

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

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

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

86) Transmission from Earth to satellite is called:

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

88) Which of the following technique uses modulation?

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

90) Which of the following devices uses parallel transmission?

91) The act of listening to the medium for a message is called:

92) The types.of signals can be:

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

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

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

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

97) Television and radio broadcasts are examples of:

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

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

100) Each computer on a network is called a: