CBSE PREVIOUS YEAR QUESTION BANK Q.No. 7...

Mind Maker’s Academy

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CBSE PREVIOUS YEAR QUESTION BANK Q.No. 7 (a) 1.(a) What are repeaters? 1998 2.(a) What is a bridge? 1999 3.(a) What are Routers ? 2000 4.(a) What are Routers? 2001 5.(a) Compare coaxial and optical fiber cable. 2002 6.(a) Write two advantages and two disadvantages for STAR topology. 2004 7.(a) What is the difference between Message Switching technique and Packet Switching technique? 2005 8.(a) What is the significance of Cyber law ? 2007 9.(a) What is the difference between STAR topology and BUS topology of network? 2009 10.(a) What was the role of ARPANET in Computer Network ? 2010 11.(a) Differentiate between packet switching and message switching technique in network communication. 2011 12.(a) What out of following , will yu use to have an audio-visual chat with an expert sitting in a far away place to fix-upa technical issue? 2012 (i) VoIP (ii)email (iii)FTP 13.(a) Define the term Bandwidth. Give unit of Bandwidth. SP 1 14.(a) What is the significance of ARPANET in the network? SP 2 15.(a) Compare any two Switching techniques. SP 3 Q.No. 7 (b)


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(b) What is the difference between LAN and MAN? 1998 (b) What is the purpose of using FTP? 1999 (b) What is the purpose of using a MODEM ? 2000 (b) What do you understand by a backbone network? 2001 (b) Write the following abbreviations in their full form : 2002 (i) LAN, (ii)OSI (b) Write one difference between coaxial and optical cable. 2004 (b) Expand the following terminologies : 2005 (i) TCP/IP (ii) XML (iii) CDMA (iv) WLL (b) Expand the following terms with respect to Networking : 2007 (i) CDMA (ii) FTP (iii) WLL (iv) HTML (b) Expand the following abbreviations: 2009 (i) GSM (ii) CDMA (b) Which of the following is not a unit for data transfer rate ? 2010 (i) bps (ii) abps (iii) gbps (iv) kbps (b) Differentiate between BUS and STAR topology of networks. 2011 b) Expand the following terminologies: SP 1 (i) HTML (ii) XML (b) Expand the following terminologies: SP 2 (i) CDMA (ii) GSM (b) Which of the following is not a Client Side script: SP 3 (i) VB Script (ii) Java Script (iii) ASP (iv) PHP Q.No. 7 (c) 2 Marks Question (c) Describe the following in brief: 1998 (i)MOSAIC (ii) Usenet


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(c) Give two advantages and two disadvantages of the following network topologies-Bus and Tree. 1999 (c) Write the two advantages and two disadvantages of Bus Topology in network. 2000 (c) Name two switching circuits and explain any one. 2001 (c) What is the purpose of Telnet? 2002 (c) Explain the following terms in short : 2004 (i) FTP (ii) URL (c) Write two application of Cyber Law. 2005 (c) Write one advantage of STAR topology as compared toTBUS topology. 2006 1 (c) Differentiate between Hackers and Crackers. 2006 1 (c) Which of the following unit measures the speed with which data can be transmitted from one node to another node of a network? Also, give the expansion of the suggested unit. 2007 (i) Mbps (ii) KMph (iii) MGps (c) What is protocol? Which protocol is used to search information from Internet using the Internet Browser? 2009 (c) What is the difference between Trojan Horse and Virus in terms of computers? 2010 (c) What is VoIP ? 2011 (c) Define the term firewall. SP 1 (c) Give two major reasons to have network security. SP 2 (c) If someone has hacked your Website, to whom you lodge the Complain? SP 3 Q.No. 7 (d) d) What do you understand by a backbone network? 1998 (d) What is the difference between WAN and MAN? 1999 (d) What is the difference between LAN and WAN ? 2000


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(d) Mention one difference between Circular and Star Topologies in networking. 2001 (d) Briefly mention two advantages and disadvantages of Ring topology in network. 2002 (d) Define Packet Switching. 2004, D 2005,D 2007 (d) Name two switching techniques used to transfer data between two terminals (computers). 2009 (d) What term we use for a software/hardware device, which is used to block, unauthorized access while permitting authorized communications. This term is also used for a device or set of devices configured to permit, deny, encrypt, or proxy all (in and out)computer traffic between different security domains based upon a set of rules and other criteria. 2010 (d) Out of the following, identify client side script(s) and server side script(s). 2011 (a) ASP (b) Javascript (c) VBscript (d) JSP (d) What is the importance of URL in networking? SP 1 (d) What is the purpose of using a Web Browser? Name any one commonly used Web Browser. SP 2 (d) What do you mean by IP Address? How is it useful in Computer Security? SP 3


Q.No. 7(d or e) 1 (d) The Great Brain Organisation has set up its new Branch at Srinagar for its office and web based activities. It has 4 Wings of buildings as shown in the diagram : 2005

(i) Suggest a most suitable cable layout of connections between the Wings, and topology. 1 (ii) Suggest the most suitable place (i.e. Wing) to house the server of this organisation with a suitable reason, with justification. 1

(iii) Suggest the placement of the following devices with justification: 1 (1) Repeater (2) Hub/Switch (iv) The organization is planning to link its head office situated in Delhi with the offices at Srinagar. Suggest an economic way to connect it; the company is ready to compromise on the speed of connectivity. Justify your answer. 1


Qno 7(e) 2006 (d) UNIVERSITY OF CORRESPONDENCE in Allahabad is setting up the network between its different wings. There.are 4 wings named as Science (S), Journalism (J), ARTS (A) and Home Science(H).


Qno 7 (e) 4 Marks 2006 (d) INDIAN PUBLIC SCHOOL in Darjeeling is setting up the network between its different wings. There are 4 wings named as SENIOR(S), JUNIOR(J), ADMIN(A) and HOSTELCH).


Qno 7 (e) 4 Marks 2007 (d) “Hindustan Connecting World Association” is planning to start their offices in four major cities in India to provide regional IT infrastructure support in the field of Education & Culture. The company has planned to set up their head office in New Delhi in three locations and have named their New Delhi offices as “Sales Office”, ”Head Office” and “Tech Office”. The company’s regional offices are located at ”Coimbatore”, “Kolkata” and “Ahmedabad”. A rough layout of the same is as follows

(i) Suggest network type (out of LAN, MAN, WAN) for connecting each of the following set of their offices : • Head Office and Tech Office • Head Office and Coimbatore Office (ii) Which device will you suggest to be procured by the company for connecting all the computers within each of, their offices out of the following devices ? • Modem • Telephone • Switch/Hub (iii) Which of the following communication media, will you suggest to be procured by the company for connecting their local offices in New Delhi for very effective and fast communication ?

• Ethernet Cable


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• Optical Fiber • Telephone Cable

(iv) Suggest a cable/wiring layout for connecting the company’s local offices located in New Delhi. Also,, suggest an effective method/technology for connecting the company’s regional offices at “Kolkata”, “Coimbatore” and “Ahmedabad”. 4


Qno 7 (e) 4 Marks 2007

2 (d) “Bhartiya Connectivity Association” is planning to spread their offices in four major cities in India to provide regional IT infrastructure support in the field of Education & Culture. The company has planned to setup their head office in New Delhi in three locations and have named their New Delhi offices as “Front Office”, “Back Office” and “Work Office”. The company has three more regional offices as “South Office”, “East Office” and “West Office” located in other three major cities of India. A rough layout of the same is as follows : (2006) 4

(i) Suggest network type (out of LAN, MAN, WAN) for connecting each of the following set of their offices : • Back Office and Work Office • Back Office and South Office (ii) Which device you will suggest to be procured by the company for connecting all the computers with in each of their offices out of the following devices? • Switch/Hub • Modem • Telephone


(iii) Which of the following communication medium, you will suggest to be procured by the company for connecting their local offices in New Delhi for very effective and fast communication? • Telephone Cable • Optical Fiber • Ethernet Cable (iv) Suggest a cable/wiring layout for connecting the company’s local offices located in New Delhi. Also, suggest an effective method/technology for connecting the company’s regional offices-”East Office”, “West Office” and “South Office” with offices located in New Delhi. Qno 7 (e) 4 Marks 2008

(d) “Bias Methodologies” is planning to expand their network in India, starting with three cities in India to build infrastructure for research and development of their chemical products. The company has planned to setup their main office in Pondicherry - at three different locations and have named their offices as “Back Office”, “Research Lab” and “Development Unit”. The company has one more Research office namely “Corporate Office” in “Mumbai”. A rough layout of the same is as follows :

(i) Suggest the kind of network required (out of LAN, MAN, WAN) for connecting each of the following office units:

_ Research Lab and Back Office _ Research Lab and Development Unit

(ii) Which one of the following device will you suggest for connecting all the computers with in each of their office units?

_ Switch/Hub


_ Modem _ Telephone

(iii) Which of the following communication medium, you will suggest to be procured by the company for connecting their local office units in Pondicherry for very effective (High Speed) communication? _ Telephone Cable _ Optical Fiber _ Ethernet Cable (iv) Suggest a cable/wiring layout for connecting the company’s local office units located in Pondicherry. Also, suggest an effective method/technology for connecting the company’s office unit located in Mumbai. Qno 7 (e) 4 Marks 2008

(d) “China Middleton Fashion’” is planning to expand their network in India, starting with two cities in India to provide infrastructure for distribution of their product. The company has planned to set up their main office units in Chennai at three different locations and have named their offices as “Production Unit”, “Finance Unit” and “Media Unit”. The company has its corporate unit in Delhi. A rough layout of the same is as follows:

(i) Suggest the kind of network required (out of LAN, MAN, WAN) for connecting each of the following office units:


_ Production Unit and Media Unit _ Production Unit and Finance Unit (ii) Which one of the following devices will you suggest for connecting all the computers within each of their office units? _ Switch/Hub _ Modem _ Telephone (iii) Which of the following communication media, will you suggest to be procured by the company for connecting their local office units in Chennai for very effective (High Speed) communication? _ Telephone Cable _ Optical Fiber _ Ethernet Cable (iv) Suggest a cable/wiring layout for connecting the company’s local office units located in Chennai. Also, suggest an effective method/technology for connecting the company’s office unit located in Delhi. 4


(e) Freshminds University of India is starting its first campus in Ana Nagar of South India with its center admission office in Kolkata. The university has 3 major blocks comprising of Office Block, Science Block and Commerce Block in the 5 KM area Campus. As a network expert, you need to suggest the network plan as per (El) to (E4) to the authorities keeping in mind the distance and other given parameters.

(E1) Suggest the authorities, the cable layout amongst various blocks inside university campus for connecting the blocks. 1


(E2) Suggest the most suitable place (i.e. block) to house the server of this university with a suitable reason. 1 (E3) Suggest an efficient device from the following to be installed in each of the blocks to connect all the computers: 1

(i) MODEM (ii) SWITCH (iii) GATEWAY (E4) Suggest the most suitable. (very high speed) service to provide data connectivity between Admission Office located in Kolkata and the campus located in Ana Nagar from the following options: 1

_ Telephone line _ Fixed-Line Dial-up connection _ Co-axial Cable Network _ GSM _ Leased line _ Satellite Connection


(e) Eduminds University of India .is starting its first campus in a small town Parampur of Central India with its center admission office in Delhi. The university has 3 major buildings comprising of Admin Building, Academic Building and Research Building in the 5 KM area Campus. As a network expert, you need to suggest the network plan as per (E1) to (E4) to the authorities keeping in mind the distances and other given parameters.


(E1) Suggest to the authorities, the cable layout amongst various buildings inside the university campus for connecting the buildings. 1 (E2) Suggest the most suitable place (i.e. building) to house the server of this organisation, with a suitable reason. 1 (E3) Suggest an efficient device from the following to be installed in each of the buildings to connect all the computers : 1 (i) GATEWAY (ii) MODEM (iii) SWITCH (E4) Suggest the most suitable (very high speed) service to provide data connectivity between Admission Building located in Delhi and the campus located in Parampur from the following options: 1

_ Telephone line _ Fixed-Line Dial-up connection _ Co-axial Cable Network _ GSM _ Leased line _ Satellite Connection


(e) “Learn Together” is an educational NGO. It is setting up its new campus at Jabalpur for its webbased activities. The campus has 4 compounds as shown in the diagram below:


(e1) Suggest a cable layout of connections between the compounds. (e2) Suggest the most suitable place (i.e. compound) to house the server for this NGO. Also, provide a suitable reason for your suggestion. (e3) Suggest the placement of the following devices with justification :

(i) Repeater (ii) Hub/Switch

(e4) The NGO is planning to connect its International office situated in Mumbai, which out of the following wired communication link, you will suggest for a very high speed connectivity?

(i) Telephone Analog Line (ii) Optical Fiber (iii) Ethernet Cable


Qno 7 (e) 4 Marks 2010 (e) “Vidya for All” is an educational NGO. It is setting up its new campus at Jaipur for its web-based activities. The campus has four buildings as shown in the diagram below: 4

(el) Suggest a cable layout of connections between the buildings. (e2) Suggest the most suitable place (i.e. building) to house the server for this NGO. Also, provide a suitable reason for your suggestion. (e3) Suggest the placement of the following devices with justification:

(i) Repeater (ii) Hub/Switch

(e4) The NGO is planning to connect its International office situated in Delhi. Which out of the following wired communication links, will you suggest for a very high speed connectivity ? (i) Telephone Analog Line (ii) Optical Fiber (iii) Ethernet Cable Qno 7 (e) 4 Marks 2011

(e) Quick learn University is setting up its Academic blocks at Prayag Nagar and planning to set up a network. The university has 3 academic blocks and one Human Resource Center as shown in the diagram below. 4


(e1 ) Suggest the most suitable place (i.e. Block/Center) to install the server of this university with a suitable reason. (e2) Suggest an ideal layout for connecting these blocks/centers for a wired connectivity. (e3) Which device you will suggest to be placed/installed in each of these blocks/center to efficiently connect all the computers with in these blocks/center. (e4) The university is planning to connect its admission office in the closest big city, which is more than 250 km from university, which type of network out of LAN, MAN or WAN will be formed? Justify your answer.

Qno 7 (e) 4 Marks 2011 (e) Great Studies University is setting up its Academic schools at Sunder Nagar and planning to set up a network. The university has 3 academic schools and one administration center as shown in the diagram below: 4


(i) Suggest the most suitable place (i.e. School/Center) to install the server of this university with a suitable reason. (ii) Suggest an ideal layout for connecting these schools/ center for a wired connectivity. (iii) Which device will you suggest to be placed/installed in each of these schools / center to efficiently connect all the computers within these schools / center? (iv) The university is planning to connect its admission office in the closest big city, which is more than 350 km from the university. Which type of network out of LAN, MAN or WAN will be formed? Justify your answer.



Qno 7 (e) 4 Marks Sample Paper 1


Qno 7 (e) 4 Marks Sample Paper 2


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Qno 7 (f) 1 Mark (f) Give suitable example of URL and Domain Name 2012 1 (g) Name proprietary software along with their application 2012 1 (f) Compare freeware and Shareware SP 1 (g) How Trojan Horses are different from Worms? Mention any one difference. SP 1 f) What do you mean by Spam Mails? How can you protect your mailbox from Spams? SP2 1 g) Mention any two advantages of Open Source Software over Proprietary Software. SP2 1 (f) Compare Open Source Software and Proprietary Software. 2011 1 (g) What are cookies? 2011 1 (f) Which of the following will come under Cyber Crime? 2010 1

(i) Theft of a brand new sealed pack Laptop (ii) Access to a bank account for getting unauthorized Money Transaction (iii) Modification in a company data with unauthorized access (iv) Photocopying a printed report Ans. (ii) and (iii)

(g) Compare open source software and proprietary software. 2010 1 (f) Write the full forms of the following: 2009 1

(f1) FTP (f2) FSF (g) Name any two common Web browsers. 2009 1 (f) Write the full forms of the following: 2009 1

(f1) GNU (f2) XML Ans (f1) GNU’s not Unix (f2) eXtensible Markup Language

(g) Write one advantage of each for Open Source Software and Proprietary Software. 2009 1


Qno 7 2013 Paper

CBSE PREVIOUS YEAR QUESTION BANK Q.No. 7...

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