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ISC2 Exam ISSAP Topic 4 Question 34 Discussion
Actual exam question for
ISC2's
ISSAP exam
Question #: 34
Topic #: 4
[All ISSAP Questions]
Topic #: 4
Single Loss Expectancy (SLE) represents an organization's loss from a single threat. Which of the following formulas best describes the Single Loss Expectancy (SLE)?
Suggested Answer:
A
the occurrence of a risk on an asset. It is mathematically expressed as follows:
Single Loss Expectancy (SLE) = Asset Value (AV) * Exposure Factor (EF)
where the Exposure Factor is represented in the impact of the risk over the asset, or percentage of asset lost. As an example, if the Asset
Value is reduced two thirds, the exposure factor value is .66. If the asset is completely lost, the Exposure Factor is 1.0. The result is a
monetary value in the same unit as the Single Loss Expectancy is expressed.
Answer options D, B, and C are incorrect. These are not valid formulas of SLE.
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