Aiou Workshop 5403| Test 4

1) Digital signals are commonly known as:

2) Analog signal is measured in:

3) Digital signal represents a sequence of values.

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

5) LAN does not use:

6) BCD stands for:

7) Segmentation and reassembly is the responsibility of:

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

9) Which of the following technique uses modulation?

10) The second layer of OSI model is

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

12) Which of the following is the insulation on a fiber-optic cable?

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

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

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

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

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

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

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

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

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

22) OSI model was created by:

23) FDDI is a __________network.

24) The ITU was formerly known as:

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

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

27) Each computer on a network is called a:

28) Which network covers a large area:

29) The music and speech.represent:

30) How many characters can Unicode represcnt?

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

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

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

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

35) NIC allows direct connection to:

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

37) The services on the Internet include

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

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

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

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

42) OSI reference model has:

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

44) Internet surfing is an example of:

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

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

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

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

49) Terminal is a:

50) A LAN protocol in which all computers and devices on the network pass a special signal known as:

51) The layer that is in between of session and application layer is

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

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

54) Each set of bit pattern is called:

55) How many devices can exist between a sending and receiving host?

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

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

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

59) IBM stands for:

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

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

62) Frequency is measured in:

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

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

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

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

67) Transmission media are usually categorized as_

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

69) What layer of OSI models performs data compression?

70) The communication channels can be divided into_categories:

71) Sound,light and radio waves are examples of

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

73) The most commonly used LAN protocol is:

74) NIC stands for:

75) FTP stands for

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

77) De Jure means

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

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

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

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

82) Unicode uses:

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

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

85) Two dissimilar networks can be connected by a:

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

87) Modem stands for:

88) Star topology is less expensive than:

89) The_________layer is the layer closest to the transmission medium

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

91) What is another term for unguided media?

92) A LAN is a combination of:

93) An important property of fiber optic cable is:

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

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

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

97) Bps is short for:

98) A collection of related web pages is called:

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

100) OSI stands for: