A technician receives several error alerts on a server after an unexpected reboot. A message states that one or more disks are in a degraded state. When the technician advances to the next error message, it indicates the OS is missing. Which of the following are the MOST likely causes of these errors? (Choose two.)


A. Missing drives in the OS
B. RAID failure
C. Bootable device not found
D. Data loss
E. Controller failure
F. CMOS corruption
G. TPM malfunction