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Isaca CISA Exam - Topic 7 Question 54 Discussion

Which of the following is the BEST indicator of the effectiveness of signature-based intrusion detection systems (lDS)?
D) An increase in the number of internally reported critical incidents
A) An increase in the number of identified false positives
B) An increase in the number of detected Incidents not previously identified
C) An increase in the number of unfamiliar sources of intruders

Isaca CISA Exam - Topic 7 Question 54 Discussion

Actual exam question for Isaca's CISA exam
Question #: 54
Topic #: 7
[All CISA Questions]

Which of the following is the BEST indicator of the effectiveness of signature-based intrusion detection systems (lDS)?

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Suggested Answer: D

by Stephane at Jun 01, 2022, 04:54 AM

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Nguyet
8 months ago
Not sure about C. Unfamiliar sources could just be noise, right?
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Shayne
8 months ago
I'm surprised that false positives (A) are even considered a good sign.
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Beatriz
9 months ago
But what about option D? Internally reported incidents show real impact too.
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Jani
9 months ago
Totally agree with B! It's all about catching new threats.
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Keith
9 months ago
I think option B is the best indicator. More detected incidents means better detection.
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Fatima
9 months ago
I'm leaning towards option D because if critical incidents are being reported more frequently, it might show that the system is actually catching important issues.
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Quentin
9 months ago
I practiced a question similar to this, and I think the focus should be on how well the system detects new threats, which might point to option B.
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Germaine
9 months ago
I feel like the number of detected incidents not previously identified could be a strong indicator, but I need to think about how that relates to overall effectiveness.
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Annabelle
9 months ago
I think I remember that false positives can indicate issues, but I'm not sure if they're the best measure of effectiveness.
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Barney
9 months ago
Okay, I've got this. The trace output will show the raw materials and the products they are used to make. So the correct answers are by-products and co-products.
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Buddy
9 months ago
Hmm, let me think about this. I know Docker Hub is a container registry, but I'm not sure about the others. I'll have to review my notes on container services to be sure.
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Emerson
9 months ago
This looks like a straightforward question about the status of a case in a Work Queue. I'll carefully review the options and try to identify the one that indicates a case is waiting to be worked.
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Deangelo
10 months ago
Hmm, I'm a bit unsure here. I know the command is related to MPLS, but I'm not sure if that automatically means the MPLS configuration mode is the right choice. I'll have to think this through carefully.
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Jennifer
10 months ago
I'll focus on the details about the foreign currency payment and try to match it to the appropriate option.
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