GATE CS 2016 Set 2 — Question 63
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Computer Networks → Medium Access & LANs → CSMA/CD
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Question
A network has a data transmission bandwidth of bits per second. It uses CSMA/CD in the MAC layer. The maximum signal propagation time from one node to another node is microseconds. The minimum size of a frame in the network is _______ bytes.
Correct answer
200 to 200
Solution
In a CSMA/CD network, the minimum frame size () must be large enough to ensure that a collision can be detected by the sender before it finishes transmitting the frame. The condition is:Where:
- is the propagation delay = s
- is the bandwidth = bits/s
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