Which of the following descriptions about the KUNLUN device panel interface is wrong?

Which of the following descriptions about the KUNLUN device panel interface is wrong?
A . The USB interface and VGA interface on the front panel of the central management box can be freely switched between various hard partitions through the command line.
B. When 9016 is made into a 16P hard partition, the USB interface and VGA interface on the front panel of the second system computing box can still be used
C. The power-on button on the front panel of the central management frame is only valid for a single system, and the button will be blocked for multiple systems
D. When a system computing box is divided into two 4P hard partitions, the power-on button on the top of the front panel corresponds to PUIA and the power-on button below corresponds to BPUB

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Answer: C