Stanford Network Lagunita

Question

Your packet has two bit errors, spaced 16 bits apart (for instance, bits 1 and 17), and no other errors. Which of the following schemes will detect the error at least 99.99% of the time? Choose all correct answers.

1. 8-bit checksum
2. 16-bit checksum
3. 8-bit CRC
4. 16-bit CRC
5. 16-bit MAC
6. 32-bit MAC

Comments

why not hamming code?

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coz not in the question :p

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I think it will be hamming code :)

https://math.stackexchange.com/questions/366394/two-bit-error-detecting-without-correcting

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In CN we don't use hamming code