Aiou Workshop 5403| Test 4

1) OSI model was created by:

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

3) LAN stands for:

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

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

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

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

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

9) DSL stands for

10) Route determination can be identified by:

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

12) Transmission media are usually categorized as_

13) An example of non-numerical data is:

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

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

16) The music and speech.represent:

17) What is another term for guided media?

18) Segmentation and reassembly is the responsibility of:

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

20) IBM stands for:

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

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

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

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

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

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

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

28) Defacto means:

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

30) EBCDIC is a

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

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

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

34) Two dissimilar networks can be connected by a:

35) MAN stands for:

36) De Jure means

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

38) Which of the following technique uses modulation?

39) FTP stands for

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

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

42) The number of frequencies that can fit on a link at one time is called:

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

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

45) Which type of network covers a small area?

46) Terminal is a:

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

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

49) Each set of bit pattern is called:

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

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

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

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

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

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

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

57) The ITU was formerly known as:

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

59) Mobile phone(Cellular) systems often use:

60) Select unguided media from the following:

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

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

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

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

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

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

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

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

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

70) People on LAN can share:

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

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

73) An important property of fiber optic cable is:

74) Layer that is responsible for transferring frames is

75) The communication channels can be divided into_categories:

76) Digital signals are commonly known as:

77) The services on the Internet include

78) Which of the following is communications device

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

80) The types.of signals can be:

81) LAN does not use:

82) Computer transmit data in the form of codes.

83) A fiber-optic cable’s core is measured in:

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

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

86) Many networks include a central computer called:

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

88) What is another term for unguided media?

89) FDDI is a __________network.

90) Transmission from Earth to satellite is called:

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

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

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

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

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

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

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

98) ISDN stands for:

99) A LAN is a combination of:

100) What type of network is the Internet?