When which of the following situations occurs, the network management will report the ODUk_PM_DEG alarm?

Question

Options

• AThe ODU layer, i.e., M, sets the bit error limit. When the number of bit errors exceeds the specified
• BThe PM segment of the ODU layer has bit error degradation, and the number of bit errors exceeds
• CThe ODUk TCM layer signal is degraded and the number of bit errors exceeds the specified
• DThe ODUk TCM layer bit error exceeds the limit, and the number of bit errors exceeds the

• A
  4% (2)
• B
  82% (37)
• C
  9% (4)
• D
  4% (2)

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