QuestionQ211

Cloud Data Security

Which of the following most accurately defines data masking?

  • A A method for creating similar but inauthentic datasets used for software testing and user training.
  • B A method used to protect prying eyes from data such as social security numbers and credit card data.
  • C A method where the last few numbers in a dataset are not obscured. These are often used for authentication.
  • D Data masking involves stripping out all digits in a string of numbers so as to obscure the original number.
Explanation

Data masking protects sensitive information—such as Social Security numbers and credit-card data—from unauthorized viewing by obscuring all or part of the displayed value. Authorized users may retain access to the original data. Microsoft describes dynamic data masking as limiting sensitive-data exposure to nonprivileged users.

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