Informatics Practices
Rovenza Communication International (RCI) is an online corporate training provider for IT-related courses. The company is setting up their new campus in Kolkata. You, as a network expert, have to study the physical locations of various blocks and the number of computers to be installed. In the planning phase, provide the best possible answers for the queries (a) to (d) raised by them.
Block-to-Block distance (in metres):
| From | To | Distance |
|---|---|---|
| Administrative Block | Finance Block | 60 |
| Administrative Block | Faculty Recording Block | 120 |
| Finance Block | Faculty Recording Block | 70 |
Expected Computers to be installed in each block:
| Block | Computers |
|---|---|
| Administrative Block | 30 |
| Finance Block | 20 |
| Faculty Recording Block | 100 |
(a) Suggest the most appropriate block where RCI should plan to install the server.
(b) Suggest the most appropriate block-to-block cable layout to connect all three blocks for efficient communication.
(c) Which type of network out of the following is formed by connecting the computers of these three blocks?
- LAN
- MAN
- WAN
(d) Which wireless channel out of the following should be opted by RCI to connect to students from all over the world?
- Infrared
- Microwave
- Satellite
Computer Networks
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Answer
(a) The most appropriate block where RCI should plan to install the server is faculty recording block as maximum number of computers are placed there.
(b) The most appropriate block-to-block cable layout to connect all three blocks for efficient communication is shown below:
(c) LAN
Reason — The network is a Local Area Network (LAN) because it connects computers within a single campus in Kolkata, covering short distances (60m, 70m, 120m) between blocks.
(d) Satellite
Reason — RCI should use Satellite communication for global connectivity. Satellite provides worldwide coverage, enabling students from anywhere to access online corporate training and ensuring consistent, reliable communication over long distances.
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University of Correspondence in Allahabad is setting up a network between its different wings. There are 4 wings named Science (S), Journalism (J), Arts (A) and Home Science (H).
Distance between various wings:
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 150 Wing S 10 Wing J 5 Wing H 50 (a) Suggest the most suitable topology for networking the computers of all wings.
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(d) Mention how economic technology will provide Internet accessibility to all wings.
Perfect Edu. Services Ltd. is an educational organization. It is planning to set up its India campus at Chennai with its head office at Delhi. The Chennai campus has four main buildings—ADMIN, ENGINEERING, BUSINESS and MEDIA.
You, as a network expert, have to suggest the best network-related solutions for their problems raised in (a) to (d), keeping in mind the distances between the buildings and other given parameters.
Shortest distance between various buildings:
ADMIN to ENGINEERING 55 m ADMIN to BUSINESS 90 m ADMIN to MEDIA 50 m ENGINEERING to BUSINESS 55 m ENGINEERING to MEDIA 50 m BUSINESS to MEDIA 45 m DELHI Head Office to CHENNAI Campus 2175 km Number of Computers installed at various buildings:
ADMIN 110 ENGINEERING 75 BUSINESS 40 MEDIA 12 DELHI Head Office 20 (a) Suggest the most appropriate location for the server inside the Chennai campus (out of the 4 buildings) to get the best connectivity for maximum number of computers. Justify your answer.
(b) Suggest and draw the cable layout to efficiently connect various buildings within the Chennai campus for connecting the computers.
(c) Which hardware device will you suggest to be procured by the company to be installed to protect and control the internet use within the campus?
(d) Which of the following will you suggest to establish online face-to-face communication between the people in the Admin Office of the Chennai campus and Delhi Head Office?
(i) Cable TV
(ii) Email
(iii) Video conferencing
(iv) Text Chat