An engineer is going to install the hardware of Huawei flash memory devices. Which of the following descriptions about hardware installation is correct?

An engineer is going to install the hardware of Huawei flash memory devices. Which of the following descriptions about hardware installation is correct?
A . When connecting the flash storage device, the AC power cord needs to be connected to the same independent power supply to ensure line redundancy.
B . If the flash memory device is a low-end flash memory, after removing the cabinet filler panel, the engineer needs to use the installation template to locate the device installation position.
C . If the flash memory device is a high-end flash memory, the engineer needs to connect the cabinet ground wire before connecting the external power cord, and then install the cabinet after the connection is completed.
D . When removing the cabinet filler panel, you need a flat-blade screwdriver and floating nut mounting strip, which are mainly used to remove the 16 screws on the filler panel and remove the filler panel.

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Answer: B