Question : What is the use of data vault?
Option 1: provides additional security through data encryption
Option 2: enables a user to access a system including data
Option 3: enables a user to know who and what changes have been made in the original data
Option 4: None of these
Correct Answer: provides additional security through data encryption
Solution : Data vault is software that provides additional security through data inscription. Hence, the correct option is 1.