Practice Test

Q1) Medium of transmission cannot be wireless Show Answer

Q2) In Mesh topology data is transferred directly from one node to another node. Show Answer

Q3) Data can be transferred without protocol. Show Answer

Q4) The devices are made up of hardware and software. Show Answer

Q5) In LAN the resources such as printer, data storage are shared Show Answer

Q6) In data communication the sender and receiver, must be within certain limit. Show Answer

Q7) Bridges can act as a repeater Show Answer

Q8) In distributed processing entire task is carried out by a single computer Show Answer

Q9) Number of pixels depends upon the resolution Show Answer

Q10) Pixels mean zeros and ones Show Answer

Q11) ASCII codes are required to represent numbers. Show Answer

Q12) In LAN at least one computer has to be a file server. Show Answer

Q13) OSI Model is a protocol. Show Answer

Q14) In Ring topology data is transferred directly from one node to another node. Show Answer

Q15) LAN is an operating system. Show Answer

Q16) WAN is a small network of linked computers Show Answer

Q17) Bridges can provide management facilities Show Answer

Q18) One of the Layer of OSI model is Internet Layer. Show Answer

Q19) In LAN computers are connected with the help of MODEM with each other. Show Answer

Q20) In WAN data transfer speed is slow as compared to LAN Show Answer

Q21) MAN is spread over a geographical area. Show Answer

Q22) Data communication can be called as data transmission. Show Answer

Q23) In WAN there are restrictions as compared to LAN Show Answer

Q24) In server based architecture processing is done by the node. Show Answer

Q25) Bridges are used to connect networks that use dissimilar topologies Show Answer

Q26) In Star topology it is easy to add or remove node Show Answer

Q27) Radio waves are easy to generate Show Answer

Q28) Which of the following is not fundamental characteristic of data communication? Show Answer

Q29) Which of the following is not a topology? Show Answer

Q30) Which of the following is not component of data communication? Show Answer

Q31) In MAN computers are generally connected with __________. Show Answer

Q32) In data communication while representing data ASCII codes are used for ______ Show Answer

Q33) In LAN main computer is called as __________. Show Answer

Q34) LAN covers ___________ area. Show Answer

Q35) Which of the following is not wire based media? Show Answer

Q36) In which of the following data is transmitted using lively beams of light? Show Answer

Q37) Which of the following is not network layer in OSI model? Show Answer

Q38) Ground based Microwaves are called as ______ Microwaves Show Answer

Q39) In data communication sender is a person, who is sending the data. Show Answer

Q40) Transmission media can be wire or wireless Show Answer

Q41) Protocol is set of rules for two devices to communicate Show Answer

Q42) Number of Pixels varies with resolution. Show Answer

Q43) In Simplex mode you can send as well as receive data at the same time Show Answer

Q44) In Half Duplex mode you can send as well as receive data at the same time Show Answer

Q45) In Full Duplex mode you can send as well as receive data at the same time Show Answer

Q46) In distributed processing the task is divided among multiple computers. Show Answer

Q47) LAN is a large network of computers Show Answer

Q48) In LAN you can have more than one file server Show Answer

Q49) You can have LAN without a server Show Answer

Q50) In simplex mode sender can receive data Show Answer

Q51) In WAN data transfer speed is slow as compared to MAN. Show Answer

Q52) In networking resources such as printer, hard disk etc. can be shared Show Answer

Q53) In networking communication between nodes is managed by file server Show Answer

Q54) In server based network processing is done by the node. Show Answer

Q55) In Bus topology failure of a main cable will bring down entire network. Show Answer

Q56) Heavy network traffic can slow down a Bus network. Show Answer

Q57) Each connection between two cables weakens the electrical signals Show Answer

Q58) In twisted pair cable data is transferred using electrical current. Show Answer

Q59) In coaxial cable data is transferred using electrical current Show Answer

Q60) In fiber optic cable data is transferred using electrical current Show Answer

Q61) Microwave transmission can be Terrestrial or Satellite Show Answer

Q62) Radio waves are easy to generate Show Answer

Q63) Radio waves can travel in any direction Show Answer

Q64) Radio waves can easily penetrate through obstacles. Show Answer

Q65) Which of the following is not fundamental characteristic of data communication? Show Answer

Q66) _____ is a set of rules for two devices to communicate. Show Answer

Q67) For text representation _____ code is used. Show Answer

Q68) Numbers are directly converted into _____ system. Show Answer

Q69) In ___ mode you can either send or receive data at any given point of time. Show Answer

Q70) ____ is a large network of computers. Show Answer

Q71) P2P stands for _______. Show Answer

Q72) In Star topology, failure of _____ will bring down entire network. Show Answer

Q73) In Bus topology, failure of _____ will bring down entire network. Show Answer

Q74) In Ring topology, failure of _____ will bring down entire network. Show Answer

Q75) In Ring topology, data is transmitted using ____. Show Answer

Q76) In _____ topology there is direct link between any two computers. Show Answer

Q77) In _____ topology alternative paths are available if direct link between two nodes is down or dysfunctional. Show Answer

Q78) In ____ topology each computer can work as a server as well as node. Show Answer

Q79) Which of the following is not guided media? Show Answer

Q80) Which of the following is guided media? Show Answer

Q81) Which of the following is unbounded media? Show Answer

Q82) Which of the following is not unbounded media? Show Answer

Q83) UTP stands for ______ Show Answer

Q84) STP stands for ____ Show Answer

Q85) In Fiber optic cable data is transmitted with the help of ______. Show Answer

Q86) In Twisted pair cable data is transmitted with the help of Show Answer

Q87) In Co-axial cable data is transmitted with the help of ______. Show Answer

Q88) The third layer of OSI model is _____. Show Answer

Q89) The third layer of TCP/IP is _____ Show Answer

Q90) The exchange of information between computers is governed by a set of rules called ______. Show Answer

Q91) A byte consists of ______ bits. Show Answer

Q92) The transmission medium that carries the message is referred to as the ______. Show Answer

Q93) The base of the hexadecimal system is ______. Show Answer

Q94) Which of the following parameters is important for effective data transmission? Show Answer

Q95) The most common coding system is use today is Show Answer

Q96) What is the full form of ASCII ? Show Answer

Q97) Unicode is a _____ bits code for character representation in a computer. Show Answer

Q98) The extended ASCII code for system uses ______ bits for data representation. Show Answer

Q99) Which of these is / are essential for a computer network? Show Answer

Q100) The three important goals of data communications are delivery at correct destination, accurate delivery and ______. Show Answer

Q101) A protocol decides : Show Answer

Q102) The term ‘data communications system’ refers to electronic systems that transmit data over distances. Show Answer

Q103) Data communication is concerned with the transmission of analog data.
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Q104) Real-time delivery of data means data is delivered without any significant delay.
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Q105) Channel refers to the medium between the sender and receiver.
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Q106) The process of data communication is controlled by a set of rules called ‘protocol’.
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Q107) Protocol is not necessary for data communications.
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Q108) In a data communication process, the sending device can only be a computer.
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Q109) Computers use the decimal number system.
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Q110) The base of the decimal number system is 10.
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Q111) Binary number system is a positional number system.
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Q112) A group of 4 bits is called a byte.
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Q113) The radix of the hexadecimal numbering system is 16.
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Q114) The binary number system uses only two symbols.
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Q115) The character 8 is one of the symbols used in the octal number system.
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Q116) ASCII code is used to represent numbers, alphabets and special characters.
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Q117) Extended ASCII code uses 8 bits to represents a character.
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Q118) Unicode system of character representation is used only for English language character.
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Q119) Unicode uses 16 bits to represents any character.
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Q120) Unicode can be used to represents characters of Indian language.
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Q121) In distributed processing, processing of data occurs on more than one processor.
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Q122) Banking system and ticket reservation system are examples of distributed processing.
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Q123) Unicode is dependent on the operating system.
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Q124) A computer network is useful only for sharing expensive hardware.
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Q125) A database can be a shared resource in a computer network.
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Q126) Multiple computers running the same program at the same time provide an additional level of security by way of redundancy.
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