this is a network and technology question,

Demonstrate how checksum is used to verify the correctness of the received UDP datagram. You should specify which fields are used in the calculation. You can show your calculation based on any appropriate numeral systems (e.g., hexadecimal or binary).

these are the given field

source port = 53

destination port =62142

length= 244

The checksum value in the UDP header is 0x1c85 in the wireshark