Aiou Workshop 5403| Test 4

1) The_________layer is the layer closest to the transmission medium

2) People on LAN can share:

3) Each set of bit pattern is called:

4) Digital signals are commonly known as:

5) Which is NOT a LAN protocol?

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

7) Sound,light and radio waves are examples of

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

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

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

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

12) Modem stands for:

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

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

15) An example of non-numerical data is:

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

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

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

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

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

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

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

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

24) Two dissimilar networks can be connected by a:

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

26) De Jure means

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

28) Which of the following is NOT a network topology?

29) Mobile phone(Cellular) systems often use:

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

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

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

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

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

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

36) LAN does not use:

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

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

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

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

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

42) Many networks include a central computer called:

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

44) Which network covers a large area:

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

46) Each computer on a network is called a:

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

48) OSI model was created by:

49) Terminal is a:

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

51) Route determination can be identified by:

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

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

54) EBCDIC is a

55) MAN stands for:

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

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

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

59) The second layer of OSI model is

60) OSI reference model has:

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

62) The diameter of fiber optical cable is:

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

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

65) Layer that is responsible for transferring frames is

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

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

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

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

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

71) A LAN is a combination of:

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

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

74) NIC allows direct connection to:

75) What type of network is the Internet?

76) Which of the following is the fastest communication mode

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

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

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

80) Internet surfing is an example of:

81) The most commonly used LAN protocol is:

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

83) An advantage of synchronous over asynchronous transmission is:

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

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

86) An important property of fiber optic cable is:

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

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

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

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

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

92) Segmentation and reassembly is the responsibility of:

93) How many characters can Unicode represcnt?

94) The services on the Internet include

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

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

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

98) Which of the following is an internet protocol?

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

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