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H31-311_V2.5 · Question #324
H31-311_V2.5 Question #324: Real Exam Question with Answer & Explanation
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Question
Which of the following statements about overhead bytes is wrong?
Options
- AA1 and A2 are framing bytes. These bytes are used to separate STM-1 frames in the signal
- BJO is the regenerator section tracking byte. This byte is used to repeatedly transmit the segment
- CB1 is Bit Interleaved Parity-8 (BIP-8). This byte is used to monitor bit errors in the regenerator
- DE1 and E2 are wire bytes. These bytes are used to provide a voice channel for order line
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