How Can a Policy Help Improve an Employee's Security Awareness

How can a policy help improve an employee's security awareness?

A) By implementing written security procedures, enabling employee security training, and promoting the benefits of security
B) By using informal networks of communication, establishing secret passing procedures, and immediately terminating employees
C) By sharing security secrets with employees, enabling employees to share secrets, and establishing a consultative help line
D) By decreasing an employee's vacation time, addressing ad-hoc employment clauses, and ensuring that managers know employee strengths