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Eccouncil 312-38 Exam - Topic 10 Question 94 Discussion

Daniel who works as a network administrator has just deployed an in his organizations network. He wants to calculate the False Positive rate for his implementation. Which of the following formulas will he use to calculate the False Positive rate?
A) False Positive/False Positive+True Negative
B) True Negative/False Negative+True Positive
C) False Negative/False Negative+True Positive
D) False Negative/True Negative+True Positive

Eccouncil 312-38 Exam - Topic 10 Question 94 Discussion

Actual exam question for Eccouncil's 312-38 exam
Question #: 94
Topic #: 10
[All 312-38 Questions]

Daniel who works as a network administrator has just deployed an in his organizations network. He wants to calculate the False Positive rate for his implementation. Which of the following formulas will he use to calculate the False Positive rate?

Show Suggested Answer Hide Answer
Suggested Answer: A

The False Positive rate (FPR) is a measure used in statistics and network security to evaluate the performance of a security system. It is calculated by dividing the number of false positives (FP) by the sum of false positives (FP) and true negatives (TN). The formula is represented as:

FPR=FP+TNFP

This rate indicates how often benign activities are incorrectly flagged as malicious, which is crucial for a network administrator like Daniel to understand the reliability of the security measures implemented.


by Ollie at Sep 17, 2024, 09:28 PM

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Vallie
9 months ago
A is the standard, but I can see why some might confuse it.
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Merilyn
9 months ago
Really? I’m surprised A is correct. I always mix these up!
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Elsa
10 months ago
No way, it's C! False Negative is key here.
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Marta
10 months ago
I thought it was B at first, but A makes more sense.
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Tiera
10 months ago
It's definitely A! That's the right formula for False Positive rate.
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Susana
10 months ago
I vaguely remember that the False Positive rate is about how many negatives were incorrectly identified as positives. I think it might be option A, but I'm not completely confident.
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Broderick
11 months ago
I practiced a similar question where we had to identify metrics from a confusion matrix. I feel like it's definitely related to False Positives and True Negatives.
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Jackie
11 months ago
I think the False Positive rate is calculated using False Positives and True Negatives, but I can't recall the exact formula.
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Della
11 months ago
I remember studying the confusion matrix, but I'm not entirely sure about the exact formula for False Positive rate.
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Nelida
11 months ago
I'm confident the answer is A. The false positive rate is calculated by dividing the false positives by the sum of false positives and true negatives.
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Rosalyn
11 months ago
Okay, let me think this through. The false positive rate is the proportion of negative instances that are incorrectly identified as positive. So the formula should be A - False Positive / (False Positive + True Negative).
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Georgeanna
11 months ago
Hmm, I'm a bit unsure about this one. I'll need to review my notes on performance metrics for security systems to make sure I pick the right formula.
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Erick
11 months ago
This looks straightforward - the formula for false positive rate is False Positive / (False Positive + True Negative).
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Lenna
2 years ago
False Positive rate? More like False Positive 'FRIGHT' rate, am I right? Eh? Eh? *crickets*
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Moon
2 years ago
D) False Negative/True Negative+True Positive
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Elinore
2 years ago
C) False Negative/False Negative+True Positive
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Jarod
2 years ago
B) True Negative/False Negative+True Positive
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Jules
2 years ago
A) False Positive/False Positive+True Negative
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Nguyet
2 years ago
Hmm, this is a tricky one. I'm gonna go with A, as it seems the most intuitive formula for False Positive rate.
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Herschel
2 years ago
B sounds more like the formula for True Negative rate. The False Positive rate has to be A.
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Jeanice
2 years ago
Thanks for clarifying, I'll use formula A to calculate the False Positive rate.
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Hollis
2 years ago
Yes, A is the right formula to use in this case.
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Cassi
2 years ago
I think you're right, A is the correct formula for calculating the False Positive rate.
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Jerry
2 years ago
I think formula C is the right one because it focuses on False Negative in the calculation.
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Jamika
2 years ago
I disagree, I believe formula B is the correct one to use for calculating False Positive rate.
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Maryann
2 years ago
C looks right to me. False Negative / (False Negative + True Positive) is the formula for False Positive rate.
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Gail
2 years ago
D) False Negative/True Negative+True Positive
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Mari
2 years ago
C) False Negative/False Negative+True Positive
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Margret
2 years ago
B) True Negative/False Negative+True Positive
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Valentine
2 years ago
A) False Positive/False Positive+True Negative
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Reed
2 years ago
I think the answer is A. It makes sense to calculate the False Positive rate as False Positive / (False Positive + True Negative).
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Britt
2 years ago
I'm pretty sure it's D. False Negative / (True Negative + True Positive).
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Ashley
2 years ago
I think it's C. False Negative / (False Negative + True Positive).
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Myong
2 years ago
I believe the answer is A too. It's False Positive / (False Positive + True Negative).
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Maybelle
2 years ago
I think Daniel should use formula A to calculate the False Positive rate.
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