Question #:536 - (Exam Topic 15)Which of the following is used to ensure that data mining activities Will NOT reveal sensitive data?
选项：

A: Implement two-factor authentication on the underlying infrastructure.
B: Encrypt data at the field level and tightly control encryption keys.
C: Preprocess the databases to see if inn …… can be disclosed from the learned patterns.
D: Implement the principle of least privilege on data elements so a reduced number of users can access theDatabase.