You are an advisory board member for a organization that has decided to go forwa
ID: 3928758 • Letter: Y
Question
You are an advisory board member for a organization that has decided to go forward with a proposed Internet and email connectivity project. Here are the projected details:
24 computers connected to the Internet
95% probability of virus infection
10 paid employees who make $9 an hour
A successful virus outage could bring down the network for an entire day
25 copies of antivirus software will cost the nonprofit $399
The CEO would like to know how much money, if any, will be saved through the purchase of antivirus software. How much money will be saved?
A. $218
B. $285
C. $380
D. $490
Explanation / Answer
B. Annual loss expectancy is calculated this way:
ALE = ARO × SLE, or .95 × 720 = $684
The annual savings is the ALE minus the cost of the deterrent, or $684 $399 = $285. Therefore, answers A, C, and D are incorrect
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