Aiou Workshop 5403| Test 4

1) Segmentation and reassembly is the responsibility of:

2) EBCDIC is a

3) Sound,light and radio waves are examples of

4) Which type of network covers a small area?

5) FTP facility is used to:

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

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

8) Television and radio broadcasts are examples of:

9) What layer of OSI models performs data compression?

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

11) Transmission media are usually categorized as_

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

13) The second layer of OSI model is

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

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

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

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

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

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

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

21) Terminators are used in______ topology:

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

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

24) ASCII code was.developed by:

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

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

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

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

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

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

31) Terminal is a:

32) The types.of signals can be:

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

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

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

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

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

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

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

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

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

42) The services on the Internet include

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

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

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

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

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

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

49) Internet surfing is an example of:

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

51) Which is the most common LAN topology?

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

53) What is another term for unguided media?

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

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

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

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

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

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

60) How many characters can Unicode represcnt?

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

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

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

64) OSI reference model has:

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

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

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

68) LAN stands for:

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

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

71) Digital signals are commonly known as:

72) A collection of related web pages is called:

73) The communication across WAN occurs using:

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

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

76) NIC allows direct connection to:

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

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

79) Analog signal is measured in:

80) Route determination can be identified by:

81) The_________layer is the layer closest to the transmission medium

82) Digital signal represents a sequence of values.

83) The communication channels can be divided into_categories:

84) Each computer on a network is called a:

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

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

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

88) How many types of network standard are there

89) The ITU was formerly known as:

90) Data is transmitted block by block in: .

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

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

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

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

95) Which of the following is not a:data communication mode?

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

97) A LAN is a combination of:

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

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

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