What is the purpose of using pseudo header in UDP?

Q.  What is the purpose of using pseudo header in UDP?
- Published on 19 Oct 15

a. The data packets are delivered sequentially.
b. Find out the destination port number and source port number.
c. Sends the context of a particular internet destination address to UDP.
d. Verifying the UDP packet has reached its correct destination.

ANSWER: Verifying the UDP packet has reached its correct destination.

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    Discussion

  • Prajakta Pandit   -Posted on 12 Oct 15

    - The purpose of using a pseudo-header is to verify that the UDP datagram has reached its correct destination.

    - The UDP header itself specifies only the protocol port number for verifying the destination.

    - UDP on the sending machine computes a checksum that covers the destination IP address as well as the UDP datagram.

    - The pseudo-header is not transmitted with the UDP datagram nor is it included in the length.

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