Several files have been deleted on your system. It is not clear if this was the result of a malicious act or if it was accidental. The auditing mechanism may be able to help you determine what happened.
a) What may it mean if the deleting of these file were not recorded in the audit log? Provide at least 3 items with reasons.
b) What is the impact/cost of auditing events?
c) What is the impact/cost of not auditing events?