Aiou Workshop 5403| Test 4

1) Bps is short for:

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

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

4) The types.of signals can be:

5) Analog signal is measured in:

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

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

8) Frequency is measured in:

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

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

11) Digital signals are commonly known as:

12) How many characters can Unicode represcnt?

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

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

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

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

17) NIC stands for:

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

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

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

21) IBM stands for:

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

23) Computer transmit data in the form of codes.

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

25) NIC allows direct connection to:

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

27) An advantage of synchronous over asynchronous transmission is:

28) Which of the following is an internet protocol?

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

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

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

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

33) Which network covers a large area:

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

35) .The conversation over a walkie-talkie radio is-an example of:

36) Computer networks are the convergence of two important technologies

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

38) Modem stands for:

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

40) OSI stands for:

41) How many characters ASCII 7-bit code can represent?

42) An important property of fiber optic cable is:

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

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

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

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

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

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

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

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

51) Each set of bit pattern is called:

52) Which of the following is the fastest communication mode

53) How many types of network standard are there

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

55) An example of non-numerical data is:

56) The conversation over a walkie-talkie radio is-an example of:

57) ASCII code was.developed by:

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

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

60) Which of the following topologies uses routers?

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

62) FTP stands for

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

64) Mobile phone(Cellular) systems often use:

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

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

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

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

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

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

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

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

73) What is another term for unguided media?

74) Select unguided media from the following:

75) Route determination can be identified by:

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

77) The_________layer is the layer closest to the transmission medium

78) What layer of OSI models performs data compression?

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

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

81) OSI model was created by:

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

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

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

85) A LAN is a combination of:

86) DSL stands for

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

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

89) The services on the Internet include

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

91) Terminal is a:

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

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

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

95) OSI reference model has:

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

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

98) The music and speech.represent:

99) What type of network is the Internet?

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