Computer Science
INDIAN PUBLIC SCHOOL in Darjeeling is setting up the network between its different wings. There are 4 wings named as SENIORS(S), JUNIOR(J), ADMIN(A) and HOSTEL(H).
Distance between various wings are given below :
| Wing A to Wing S | 100 m |
| Wing A to Wing J | 200 m |
| Wing A to Wing H | 400 m |
| Wing S to Wing J | 300 m |
| Wing S to Wing H | 100 m |
| Wing J to Wing H | 450 m |
Number of Computers
| Wing A | 10 |
| Wing S | 200 |
| Wing J | 100 |
| Wing H | 50 |
(i) Suggest a suitable Topology for networking the computer of all wings.
(ii) Name the wing where the server is to be installed. Justify your answer.
(iii) Suggest the placement of Hub/Switch in the network.
(iv) Mention an economic technology to provide internet accessibility to all wings.
Answer
(i) Star Topology can be used to network the computer of all wings.
(ii) The server should be installed in Wing S, as Wing S has maximum number of computers and installing the server in this wing will help to keep maximum percentage of the network traffic local.
(iii) Hub/ Switch will be required in all the Wings.
(iv) The economic way to provide internet accessibility to all wings is to use the proxy server at wing S and connect to the internet through a dial-up network.
Related Questions
"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 setup their main office 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 shown on the right :
Approximate distance between these Units is as follows :
From To Distance Production Unit Finance Unit 70 m Production Unit Media Unit 15 km Production Unit Corporate Unit 2112 km Finance Unit Media Unit 15 km In continuation of the above, the company experts have planned to install the following number of computers in each of their offices :
Production Unit 150 Finance Unit 35 Media Unit 10 Corporate Unit 30 (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, you will suggest to be procured by the company for connecting their local office units in Chennai for very effective (High Speed) communication ?
- Telephone Cable
- Optical Fibre
- 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.
"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 :
Approximate distances between these offices as per network survey team is as follows :
Place From Place To Distance Back Office Front Office 10 km Back Office Work Office 70 m Back Office East Office 1291 km Back Office West Office 790 km Back Office South Office 1952 km In continuation of the above, the company experts have planned to install the following number of computers in each of their offices :
Back Office 100 Front Office 20 Work Office 50 East Office 50 West Office 50 South Office 50 (i) Suggest network type (out of LAN, MAN, WAN) for connecting each of the following offices :
- Back Office and Work Office
- Back Office and South Office
(ii) Which device you will suggest to be produced 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 Fibre
- 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.
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 (1) to (4), keeping in mind the distances and other given parameters.
Expected Wire distances between various locations :
Research Building to Admin Building 90 m Research Building to Academic Building 80 m Academic Building to Admin Building 15 m Delhi Admission Office to Parampur Campus 1450 km Expected number of Computers to be installed at various locations in the University are as follows :
Research Building 20 Academic Building 150 Admin Building 30 Delhi Admission Office 5 (i) Suggest the authorities, the cable layout amongst various buildings inside the university campus for connecting the buildings.
(ii) Suggest the most suitable place (i.e., building) to house the server of this organisation, with a suitable reason.
(iii) Suggest an efficient device from the following to be installed in each of the buildings to connect all the computers :
- GATEWAY
- MODEM
- SWITCH
(iv) 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.
- Telephone line
- Fixed-Line Dial-up connection
- Co-axial Cable Network
- GSM
- Leased line
- Satellite Connection
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:
Center to center distances between various buildings are :
Law School to Business School 60 m Law School to Technology School 90 m Law School to Admin Center 115 m Business School to Technology School 40 m Business School to Admin Center 45 m Technology School to Admin Center 25 m No. of Computers in each of the buildings are :
Law School 25 Technology School 50 Admin Center 125 Business School 35 (a) Suggest the most suitable place (i.e., Schools/Center) to install the server of this university with a suitable reason.
(b) Suggest an ideal layout for connecting these Schools/center for a wired connectivity.
(c) Which device you will suggest to be placed/installed in each of these Schools/center to efficiently connect all the computers within these Schools/center ?
(d) 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.