Informatics Practices
Sony has set up its branch at Srinagar for its office and web-based activities. It has four Zones of buildings as shown in the diagram:
Branch-to-branch distance is:
| Zone X to Zone Z | 40 m |
| Zone Z to Zone Y | 60 m |
| Zone Y to Zone X | 135 m |
| Zone Y to Zone U | 70 m |
| Zone X to Zone U | 165 m |
| Zone Z to Zone U | 80 m |
Number of Computers:
| Zone X | 50 |
| Zone Z | 130 |
| Zone Y | 40 |
| Zone U | 15 |
(a) Suggest the most suitable cable layout or network topology of connections between the zones.
(b) Suggest the most suitable place (i.e., Zone) to house the ERP and BI Server of this organization with a suitable reason, with justification.
(c) Suggest the placement of the following devices with justification:
- Repeater
- Hub/Switch
(d) Which is the most economic type of cable for the selected topology ?
Computer Networks
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Answer
(a) The most suitable cable layout or network topology for connecting the zones is a bus topology.
(b) The most suitable place (i.e., Zone) to house the ERP and BI Server is Zone Z as it has the maximum number of computers which will reduce cabling cost.
(c)
(i) As per the suggested layout, separate repeaters need not to be installed as distance among zones is not exceeding 70m.
(ii) Hub/Switch should be placed in each zone.
(d) An economic type of cable is Ethernet or Coaxial cable as it can connect two computers at an economic rate though it provides lesser speed than other expensive methods.
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Related Questions
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.
Tech Up Corporation (TUC) is a professional consultancy company. The company is planning to set up new offices in India with its hub at Hyderabad. As a network adviser, you have to understand their requirements and suggest to them the best available solutions.
Block-to-block distance:
Block (From) Block (To) Distance Human Resource Conference 60m Human Resource Finance 60m Conference Finance 120m Expected number of computers to be installed in each block:
Block Computers Human Resource 125 Conference 25 Finance 60 (a) What will be the most appropriate block where TUC should plan to install their server?
(b) Draw a block-to-block cable layout to connect all the buildings in the most appropriate manner for efficient communication.
(c) What will be the best possible connectivity out of the following to connect the new office in Bengaluru with its London office?
(i) Infrared
(ii) Satellite Link
(iii) Ethernet Cable
(d) Which of the following devices will you suggest to connect each computer in each of the above buildings?
(i) Gateway
(ii) Switch
(iii) Modem
(e) Write names of any two popular Open Source Software which are used as Operating Systems.
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.
Quick Learn University is setting up its academic blocks at Prayag Nagar and planning a network. The university has 3 academic blocks and one human resource centre as shown in the diagram given below:
Centre-to-centre distance between various blocks is as follows:
Law Block to Business Block 40 m Law Block to Technology Block 80 m Law Block to HR Centre 105 m Business Block to Technology Block 30 m Business Block to HR Centre 35 m Technology Block to HR Centre 15 m Number of computers in each of the buildings is as follows:
Law Block 15 Technology Block 40 HR Centre 115 Business Block 25 (a) Suggest a cable layout of connection between the blocks.
(b) Suggest the most suitable place to house the server of the organization with suitable reason.
(c) Which device should be placed/installed in each of these blocks to efficiently connect all the computers within these blocks?
(d) The university is planning to link its sales counters situated in various parts of the same city. Which type of network out of LAN, MAN or WAN will be formed?