Informatics Practices
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.
(b) Name the wing where the Server is to be installed. Justify your answer.
(c) Suggest the placement of Hub/Switch in the network.
(d) Mention how economic technology will provide Internet accessibility to all wings.
Computer Networks
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Answer
(a) The most suitable topology is star topology to connect the computers of all wings.
(b) The server should be installed in Wing A because Wing A has the highest number of computers (150), and this will help reduce network traffic.
(c) The Hub/Switch or should be placed in all the wings.
(d) The economic way to provide internet accessibility to all the wings is to use the proxy server at Wing A and connect to the internet through a dial-up network.
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Related Questions
Assertion (A): A Gateway is a network device that connects dissimilar networks.
Reasoning (R): A Gateway establishes a connection between local network and external network.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
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
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
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 centre as shown in the diagram below:
Centre-to-centre distance between various buildings:
Law School to Business School 60 m Law School to Technology School 90 m Law School to Admin Centre 115 m Business School to Technology School 40 m Business School to Admin Centre 45 m Technology School to Admin Centre 25 m Number of computers in each of the Schools/Centre:
Law School 25 Technology School 50 Admin Centre 125 Business School 35 (a) Suggest the most suitable place (i.e., schools/centre) to install the server of this university with a suitable reason.
(b) Suggest an ideal topology for connecting these schools/centre.
(c) Which device will you suggest to be placed/installed in each of these schools/centre to efficiently connect all the computers within these schools/centre?
(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.