A technician is working on an operational PowerEdge R640 server that cannot be rebooted. Observing that all drives are hot-swappable devices, the technician decides to remove a drive that has been giving intermittent errors. After the single drive is removed the operating system crashes.
What could have caused the operating system to crash?
A. System Lockdown mode was enabled, which does not allow any component to be hot-swapped
B. iDRAC was not configured for hot-swappable components
C. Drive was part of a RAID 0 virtual disk
D. PERC was configured to allow a single drive removal
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