Which of the following is the MOST secure to erase data before disposal of server hard drives?
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A. B. C. D.C.
Out of the given options, the most secure method to erase data before disposal of server hard drives is degaussing.
Explanation: A. Hard wipe - A hard wipe is a process of overwriting data multiple times with random data patterns to make the original data unrecoverable. However, there is a chance that some data could still be recovered using specialized tools. B. Reformat - Reformatting a hard drive erases the file allocation table and creates a new file system, but it does not erase the actual data on the disk. It is relatively easy to recover data from a reformatted disk using data recovery software. C. Degaussing - Degaussing is a process of erasing data by exposing the hard drive to a strong magnetic field. This process destroys the data at a low level and makes it virtually impossible to recover any data from the disk. D. Delete partitions - Deleting partitions removes the partition table from the hard drive, but it does not erase the data on the disk. It is possible to recover data from deleted partitions using data recovery software.
Therefore, the most secure method to erase data before disposal of server hard drives is degaussing. However, it is important to note that degaussing can damage the hard drive, so it should only be used if the hard drive is no longer needed.