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Aiou Workshop 5403| Test 4

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

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2) Which network covers a large area:

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3) Each set of bit pattern is called:

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

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5) Each computer on a network is called a:

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

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

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8) Sound,light and radio waves are examples of

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

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

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

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

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13) The communication across WAN occurs using:

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14) DSL stands for

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15) What is another term for unguided media?

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

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

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

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

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20) FTP stands for

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

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

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

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24) Which type of network covers a small area?

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25) Which is the most common LAN topology?

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26) How many modes of data communication are available?

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

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28) Star topology is less expensive than:

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29) What layer of OSI models performs data compression?

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

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

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

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

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34) De Jure means

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

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36) How many characters can Unicode represcnt?

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

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38) An example of non-numerical data is:

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

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40) A collection of related web pages is called:

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41) Digital signals are commonly known as:

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

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43) What is another term for guided media?

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44) Computer networks are the convergence of two important technologies

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

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

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

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48) Which value in start bit indicates that the transmission line is idle?

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

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50) The most commonly used LAN protocol is:

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51) Which is NOT a LAN protocol?

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

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53) Frequency is measured in:

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54) Digital signal represents a sequence of values.

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

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

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

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58) MAN stands for:

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

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

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

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

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

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64) The music and speech.represent:

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

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

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67) Modem stands for:

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68) The types.of signals can be:

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69) Computer transmit data in the form of codes.

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

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

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72) Analog signal is measured in:

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

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

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

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76) OSI model was created by:

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77) BCD code is a_

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78) Which of the following is an internet protocol?

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79) The ITU was formerly known as:

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

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

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

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

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

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

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

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87) Which of the following type of data is used to display actions and movement?.

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

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

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

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

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

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93) How many types of network standard are there

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

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

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96) The topology used for a small number of computers is called:

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

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

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99) ISDN stands for:

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

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