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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
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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.
13 comments · newest first
AL
Alyssa
11 months ago
A is correct, but I can see why some might get confused.
LE
Lenna
12 months ago
I thought it was B at first, but A makes more sense.
PE
Pete
12 months ago
Wait, are we sure about that? Seems too simple.
JA
Jaime
12 months ago
I agree, A is the right choice!
BO
Bonita
1 year ago
It's definitely A, that's the standard formula.
TA
Tasia
1 year ago
I thought SLE was linked to the Annualized Rate of Occurrence, but that might be for a different calculation. I need to double-check my notes!
VE
Venita
1 year ago
I feel a bit confused about the differences between SLE and ALE. I think SLE is related to the asset value, but I can't recall the exact formula.
PE
Pearline
1 year ago
I remember practicing a question like this, and I believe the correct answer is A. It makes sense to multiply the asset value by the exposure factor.
TE
Terrilyn
1 year ago
I think SLE is calculated using Asset Value and Exposure Factor, but I'm not entirely sure if it's the right formula.
WE
Weldon
1 year ago
Hmm, I'm a bit unsure about this one. I'll need to review my notes on server form factors to make sure I understand the difference between 1U, 2U, and other rack sizes before I can confidently answer this question.
SO
Socorro
1 year ago
Hmm, I'm a bit unsure about this one. I'll have to think through the different options carefully.
BE
Beckie
1 year ago
Hmm, this is a tricky one. I'll need to think carefully about the criteria used to determine quality requirements relationships.
GW
Gwenn
1 year ago
I'm a little confused by the options here. Reformatting the hard drive or deleting the partition seem like overkill. I'm going to go with the Disk Cleanup tool - that seems like the most efficient way to clear out those temporary files.