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Internet Checksum

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Suppose the information portion of a packet contains 10 bytes consisting of the 8- bit unsigned binary ASCII representation of string "Link Layer," Compute the Internet checksum of this Data.

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Solution Summary

Solution first briefly mentions how the Internet checksum is computed, and then shows it's step-by-step computation for the given data.

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Character - ASCII code in Hexadecimal (Decimal)
L - 0x4C (76)
i - 0x69 (105)
n - 0x6E (110)
k - 0x6B (107)
space - 0x20 (32)
L - 0x4C (76)
a - 0x61 (97)
y - 0x79 (121)
e ...

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