CS101 Introduction to Computing Assignment 5 Solution Deadline 2 July 2010

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Assignment: Total Marks =10

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

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

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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