Question

The Cyber Skill Development Organisation has set up its new Branch at Nagaland for its offices and web based activities. It has 4 Wings of buildings as shown in the diagram

Center to center distance between various blocks

Wing X to Wing Z	30 m
Wing Z to Wing Y	50 m
Wing Y to Wing X	125 m
Wing Y to Wing U	60 m
Wing X to Wing U	155 m
Wing Z to Wing U	110 m

Number of computers

Wing X	40
Wing Z	120
Wing Y	30
Wing U	10

(i) Suggest a most suitable cable layout of connections between the Wings and topology.

(ii) Suggest the most suitable place (i.e. Wing) to house the server of this organization with a suitable reason with justification.

(iii) Suggest the placement of the following devices with justification:

• Repeater
• Hub/Switch

(iv) The organization is planning to link its head office situated in Delhi with offices at Nagaland. Suggest an economic way to connect it; company is ready to compromise on the speed of connectivity. Justify your answer.

Answer 1

(i) Most suitable layout

(ii) Wing Z as it has largest number of computers.

(iii) A repeater needs to be placed along the wire between wings Z to U as the distance between them is more than 70 m.

• A hub/switch each would be needed in all the wings, to interconnect the group of cables from the different computers in each wing.

(iv) TCP/IP Dial Up as it is an economic option with a reasonable speed.