Based on the fact that Alex works as a systems administrator and his company uses multiple external drives that often contain confidential data, in order to secure the data, Alex should use encryption.
This refers to the conversion of information or data into a code in order to protect it from being read and its contents leaked or stolen by an unauthorized source.
This is because the use of encryption would help secure the data that the sales team uses as it would require authentication to access the data if they are stolen.
Read more about encryption here: brainly.com/question/9979590
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