The checksum in UDP is used differently than it is in TCP to compare the received frame with the one that was sent.

Question

Quizplus · Accepted Answer

Both UDP and TCP use their checksums to verify the integrity of the data they transmit, ensuring that the received data matches what was sent. The fundamental purpose and method of using checksums in both protocols are essentially the same, aiming to detect errors in the transmitted data.

The Checksum in UDP Is Used Differently Than It Is