Andrew works as a Database Administrator for Tech Mart Inc. The company uses Oracle 11g as the database server. Andrew has been assigned the task to apply a security feature to the database of the organization to protect the database from insiders. This security feature should also mitigate several security risks. Which of the following security features should he adopt to accomplish the task?
A. Advanced Security Option
B. Audit Vault
C. Database Vault
D. Enterprise Data Masking Pack