Aiou Workshop 5403| Test 4

1) An important property of fiber optic cable is:

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

3) A computer network must contain at least number of computers:

4) DSL stands for

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

6) Digital signal represents a sequence of values.

7) Terminal is a:

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

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

10) MAN stands for:

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

12) Which is the most common LAN topology?

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

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

15) What type of network is the Internet?

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

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

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

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

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

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

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

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

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

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

26) Which of the following is NOT a coding scheme to represent data in computer?

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

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

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

30) De Jure means

31) How many types of network standard are there

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

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

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

35) The ITU was formerly known as:

36) The communication across WAN occurs using:

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

38) signal is a continuous electrical signal in the form of wave.

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

40) An example of non-numerical data is:

41) The second layer of OSI model is

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

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

44) The services on the Internet include

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

46) Many networks include a central computer called:

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

48) OSI stands for:

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

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

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

52) The diameter of fiber optical cable is:

53) Frequency is measured in:

54) Sound,light and radio waves are examples of

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

56) What is another term for unguided media?

57) Defacto means:

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

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

60) Transmission from a satellite to its earth-based station is called:

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

62) NIC stands for:

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

64) Which type of modem can be added to the system unit through expansion slot?

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

66) Terminators are used in______ topology:

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

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

69) NIC allows direct connection to:

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

71) Internet surfing is an example of:

72) FDDI is a __________network.

73) The types.of signals can be:

74) Bps is short for:

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

76) Two dissimilar networks can be connected by a:

77) An advantage of synchronous over asynchronous transmission is:

78) What is another term for guided media?

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

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

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

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

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

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

85) OSI reference model has:

86) Which of the following is communications device

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

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

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

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

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

92) Which of the following is an internet protocol?

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

94) Computer networks are the convergence of two important technologies

95) Each set of bit pattern is called:

96) BCD code is a_

97) Star topology is less expensive than:

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

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

100) Which of the following technique uses modulation?