Aiou Workshop 5403| Test 4

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

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

3) Many networks include a central computer called:

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

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

6) What is another term for unguided media?

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

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

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

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

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

12) Which is the most common LAN topology?

13) An example of non-numerical data is:

14) A collection of related web pages is called:

15) Terminal is a:

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

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

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

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

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

21) Digital signals are commonly known as:

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

23) The most commonly used LAN protocol is:

24) BCD stands for:

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

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

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

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

29) Star topology is less expensive than:

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

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

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

33) FTP facility is used to:

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

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

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

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

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

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

40) Internet surfing is an example of:

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

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

43) Which of the following technique uses modulation?

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

45) Each set of bit pattern is called:

46) The music and speech.represent:

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

48) Select unguided media from the following:

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

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

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

52) Which protocol works on the concepts of ring topology and a token?

53) Unicode uses:

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

55) How many types of network standard are there

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

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

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

59) Which of the following topologies uses routers?

60) FTP stands for

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

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

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

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

65) The ITU was formerly known as:

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

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

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

69) NIC allows direct connection to:

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

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

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

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

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

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

76) Data is transmitted block by block in: .

77) EBCDIC is a

78) Each computer on a network is called a:

79) Defacto means:

80) Computer transmit data in the form of codes.

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

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

83) A LAN is a combination of:

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

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

86) Which of the following is an internet protocol?

87) People on LAN can share:

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

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

90) Which of the following devices uses parallel transmission?

91) An advantage of synchronous over asynchronous transmission is:

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

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

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

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

96) What type of network is the Internet?

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

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

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

100) BCD code is a_