Informatics Practices
Bhartiya Connectivity Association is planning to set up its offices in four major cities in India to provide regional IT infrastructure support in the field of Education & Culture. The company plans to set up their head office in New Delhi at three locations, naming them as "Front Office", "Back Office" and "Work Office". The company has planned three more regional offices—"South Office", "East Office" and "West Office" —in other major cities of India.
A rough layout of the same is as follows:
Approximate distance 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 | 70m |
| 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 |
(a) Suggest network type (out of LAN, MAN, WAN) for connecting each of the following sets of their offices:
(i) Back Office and Work Office
(ii) Back Office and South Office
(b) Which device out of the following will you suggest to be procured by the company for connecting all the computers within each of their offices?
(i) Switch/Hub
(ii) Modem
(iii) Telephone
(c) Which of the following communication mediums will you suggest to be procured by the company for connecting their local office units in New Delhi for very effective and fast communication?
(i) Telephone Cable
(ii) Optical Fibre
(iii) Ethernet Cable
(d) Suggest a cable/wiring layout for connecting the company's local office located in New Delhi. Also, suggest an effective method/technology for connecting the company's regional office— "East Office", "West Office" and "South Office" —with offices located in New Delhi.
Computer Networks
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Answer
(a)
(i) For connecting the Back Office and Work Office, a LAN (Local Area Network) would be suitable as they are 70m apart.
(ii) For connecting the Back Office and South Office, a WAN (Wide Area Network) is required due to the long distance (1952 km).
(b) Switch/Hub
Reason — A switch or hub is essential for connecting all computers within each office as they facilitate communication between devices on the same network. They manage network traffic efficiently, ensuring smooth data transfer and communication.
(c) Optical fiber
Reason — Optical fibre is recommended for very effective and fast communication in New Delhi's local office units. It offers high-speed data transmission, reliability, making it ideal for modern network infrastructures.
(d) The cable/wiring layout is shown in the diagram below:
An effective method for connecting the company's regional office is Satellite.
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