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ISRO | ISRO CS 2018 | Question 26

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Assuming that for a given network layer implementation, connection establishment overhead is 100 bytes and disconnection overhead is 28 bytes. What would be the minimum size of the packet the transport layer needs to keep up, if it wishes to implement a datagram service above the network needs to keep its overhead to a minimum of 12.5%. (Ignore transport layer overhead)

(A)

512 bytes

(B)

768 bytes

(C)

1152 bytes

(D)

1024 bytes



Answer: (D)

Explanation:

To calculate the minimum packet size with a 12.5% overhead for connection (100 bytes) and disconnection (28 bytes), use the formula:

S=Total Overhead / Overhead %

Plug in the values:

S= (100+28)/0.125 = 128/0.125=1024 bytes

Therefore, the minimum packet size for the transport layer to implement a datagram service with a 12.5% overhead is 1024 bytes.


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Last Updated : 03 Jul, 2018
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