Which of the following polynomial is used by HDLC for CRC generation?
2022
Which of the following polynomial is used by HDLC for CRC generation?
- A.
x8+x2+x+1
- B.
x16+x12+x5+1
- C.
x^{16} + x^{12} + x^4 + 1 - D.
x8+x4+x2+1
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Correct answer: B
HDLC (High-Level Data Link Control) protocols utilize the CRC-16-CCITT standard for error detection during data transmission.
The specific generator polynomial defined for this CRC variant is x^16 + x^12 + x^5 + 1.