Aiou Workshop 5403| Test 4

1) An advantage of synchronous over asynchronous transmission is:

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

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

4) An important property of fiber optic cable is:

5) NIC allows direct connection to:

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

7) NIC stands for:

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

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

10) Which of the following topologies uses routers?

11) The diameter of fiber optical cable is:

12) Terminators are used in______ topology:

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

14) Modem stands for:

15) The services on the Internet include

16) BCD stands for:

17) The layer that provides services that directly support user application:

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

19) People on LAN can share:

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

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

22) Sound,light and radio waves are examples of

23) Which of the following devices uses parallel transmission?

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

25) Defacto means:

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

27) How many characters can Unicode represcnt?

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

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

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

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

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

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

34) OSI stands for:

35) The most commonly used LAN protocol is:

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

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

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

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

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

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

42) EBCDIC is a

43) Television and radio broadcasts are examples of:

44) Each computer on a network is called a:

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

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

47) How many modes of data communication are available?

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

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

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

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

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

53) Transmission from Earth to satellite is called:

54) The communication channels can be divided into_categories:

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

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

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

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

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

60) FTP stands for

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

62) The second layer of OSI model is

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

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

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

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

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

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

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

70) Select unguided media from the following:

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

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

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

74) The ITU was formerly known as:

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

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

77) Two dissimilar networks can be connected by a:

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

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

80) A network that covers a large geographic distance such as a country is called a:

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

82) FTP facility is used to:

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

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

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

86) Data is transmitted block by block in: .

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

88) Frequency is measured in:

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

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

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

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

93) How many types of network standard are there

94) Computer transmit data in the form of codes.

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

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

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

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

99) code is 7-bit or.8-bit code.

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