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单项选择题 A system was rebooted and is taking a long time toreturn. The administrator has logged into the HMC and sees reference code 0c9. What does this mean?（）

A、The system is configuring a device.

B、A system initiated dump has started.

C、The system is varyingon a volume group.

D、The system is running an inbuilt self test.

  • B

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