Informatics Practices
"Learn Together" is an educational NGO. It is setting up its new campus at Jabalpur for its web based activities. The campus has 4 compounds as shown in the adjacent diagram.
Center to center distances between various Compounds as per architectural drawings (in metres) is as follows :
| Main Compound to Resource Compound | 110 m |
| Main Compound to Training Compound | 115 m |
| Main Compound to Finance Compound | 35 m |
| Resource Compound to Training Compound | 25 m |
| Resource Compound to Finance Compound | 135 m |
| Training Compound to Finance Compound | 100 m |
Expected Number of Computers in each Compound is as follows :
| Main Compound | 5 |
| Resource Compound | 15 |
| Training Compound | 150 |
| Accounts Compound | 20 |
(a) Suggest a cable layout of connections between the compounds.
(b) Suggest the placement of the following devices with justification :
(i) Repeater
(ii) Hub/Switch
Answer
(a) The cable layout for these compounds is given below:
Main compound - Resource compound - Training compound - Finance compound
(b)
(i) A repeater should be placed between the Resource Compound and the Finance Compound due to the 135-meter distance, as it is used to regenerate and amplify signals to cover longer distances without losing quality.
(ii) A hub or switch connects multiple devices within a compound, allowing them to communicate with each other and the broader network. So, there should be one hub per compound.
Related Questions
Write the functions of the following pieces of network hardware :
(i) Modem
(ii) Switch
"New York Avenue" is planning to expand their network in India, starting with two cities in India to provide infrastructure for distribution of their canned products. The company has planned to set up their main offices in Ahmedabad, at three different locations and have named their offices as "Work Office", "Factory" and "Back Office". The company has its Corporate Unit in Delhi. A rough layout of the same is as shown below:
Approximate distance between these offices is as follows :
From To Distance Work Office Back Office 110 m Work Office Factory 14 km Work Office Corporate Office 1280 km Back Office Factory 13 km In continuation of the above, the company experts have planned to install the following number of computers in each of their offices :
Work Office 200 Back Office 115 Factory 67 Corporate 75 (i) Suggest the kind of network required (out of LAN, MAN, WAN) for connecting each of the following offices:
- Work Office and Factory
- Work Office and Back Office
(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
Global Village Enterprises has following four buildings in Hyderabad city :
Computers in each building are networked but buildings are not networked so far. The company has now decided to connect buildings also.
(a) Suggest a cable layout for these buildings.
(b) In each of the buildings, the management wants that each LAN segment gets a dedicated bandwidth i.e., bandwidth must not be shared. How can this be achieved ?
"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) 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.