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Q.1 XYZ is an organization, wants to develop the network. Total numbers of computers are 7. Which topology is best suitable for the network? Justify your answer. 4 Marks
Solution
Bus is a possible selection for networking of 7 computers due to following:
- No server required
- If one node is down, the overall functionality of network is not affected
- All computers can receive the message at same time and respond accordingly
Q.2 If computer A wants to transmit the data to computer F, then
6 Marks
What condition should A satisfy?
What protocol should be used?
And how the data will transmit?
vuhelp CS101(5).JPG
Solution
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1. 1st Part (Conditions):
- Data transmission may be counter clockwise
- Nodes should not fail during the process.
2. 2nd Part (Protocol):
- Sensing idle connection before data transmission
- Re-send data if packet data is corrupted or lost
3. 3rd Part (Data transmission):
- Data is transmitted by computer A and received by computer H
- Computer H receives it and then re-sends it to next computer which is computer H
- Computer H also receives it and finds it to be not related to computer H. Therefore, it passes the data to next computer which is F
- Computer F receives the data and processes it