Huawei Exam H31-311 Topic 7 Question 12 Discussion

Actual exam question for Huawei's H31-311 exam

Question #: 12
Topic #: 7

Which of the following statements about overhead bytes is incorrect?

AA1 and A2 are framing bytes. These bytes are used to separate STM-1 frames in a signal flow.

BJ0 is a regenerator section trace byte. This byte is used to repeatedly transmit a section access point identifier, so that the receive end can verify its continuous connection to the specified transmit end.

CB1 is bit interleaved parity-8 (BIP-8). This byte is used to monitor bit errors at the regenerator section layer.

DE1 and E2 are orderwire bytes. These bytes are used to provide a voice channel for orderwire connections.

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Suggested Answer: A

by Lemuel at May 05, 2022, 05:17 AM

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