Aiou Workshop 5403| Test 4

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

2) The types.of signals can be:

3) Transmission media are usually categorized as_

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

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

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

7) NIC allows direct connection to:

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

9) An important property of fiber optic cable is:

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

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

12) The ITU was formerly known as:

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

14) FTP stands for

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

16) How many types of network standard are there

17) Many networks include a central computer called:

18) Which of the following consists of thin glass to transmit beams of light?

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

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

21) Which of the following is the fastest communication mode

22) Sound,light and radio waves are examples of

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

24) How many characters can Unicode represcnt?

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

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

27) Which type of network covers a small area?

28) Satellite transmission stations that can both send and receive messages are called:

29) LAN stands for:

30) Which of the following is communications device

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

32) The diameter of fiber optical cable is:

33) IBM stands for:

34) Frequency is measured in:

35) Bps is short for:

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

37) Defacto means:

38) Each set of bit pattern is called:

39) The_________layer is the layer closest to the transmission medium

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

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

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

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

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

45) Which is NOT a LAN protocol?

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

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

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

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

50) Unicode uses:

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

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

53) Which of the following topologies uses routers?

54) Digital signals are commonly known as:

55) BCD stands for:

56) ASCII code was.developed by:

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

58) Which of the following technique uses modulation?

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

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

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

62) How many modes of data communication are available?

63) Route determination can be identified by:

64) Analog signal is measured in:

65) Star topology is less expensive than:

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

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

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

69) A LAN is a combination of:

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

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

72) Terminal is a:

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

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

75) Modem stands for:

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

77) An example of non-numerical data is:

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

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

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

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

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

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

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

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

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

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

88) Select unguided media from the following:

89) What is another term for guided media?

90) Which is the most common LAN topology?

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

92) The music and speech.represent:

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

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

95) EBCDIC is a

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

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

98) What layer of OSI models performs data compression?

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

100) The most commonly used LAN protocol is: