Which of the following description of replacing the main control board is wrong?

Question

Options

• ARemoving and inserting the main control board will report BD_STATUS and COMMUN_FAIL alarms.
• BIf the software version carried on the replaced main control board is higher than the device version, you
• CIf the software version locked on the replaced main control board is lower than the device version, you
• DWhen the main control board has 1+1 hot backup, under normal switching conditions, the replacement

• A
  76% (22)
• B
  3% (1)
• C
  7% (2)
• D
  14% (4)

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