What is this formula for SC information system = [(confidentiality, impact), (integrity, impact), (availability, impact)}?
A.
Calculate firewall security
B.
Calculate SLE
C.
Calculate CIA aggregate score
D.
Calculate ALE
Explanation:
This is the formula for computing the aggregate CIA score.Answer option D is incorrect. ALE or annualized loss expectancy is computed by multiplying the single loss expectancy by the annual rate of occurrence.
Answer option B is incorrect. SLE or single loss expectancy is the amount of loss expected from a single incident. It is calculated by multiplying the asset value times the exposure factor.
Answer option A is incorrect. There is no formula specific to calculating the security of a firewall.