Consider a local area network that can transmit datagrams with the MTU size of 500 bytes. For a 2500-byte length datagra

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Consider a local area network that can transmit datagrams with
the MTU size of 500 bytes. For a 2500-byte length datagram whose
identification (ID) is 5320, answer the following questions:
1) Assume the sizes of IP and TCP headers are both 20 bytes. How
many fragments will be generated if the IP fragmentation is
applied? (1 mark)
2) For the first generated fragment, what are the values of the
following four fields: fragment length, identification, fragment
flag, and fragment offset, respectively? (4 marks)
3) For the last generated fragment, what are the values of the
above four fields? (4 marks)
4) What is the transmission overhead of the above fragmentation
mechanism? The transmission overhead can be defined as the
percentage of the amount of transmitted overhead bits relative over
the total amount of transmitted bits. (1 mark)