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Cisco 200-201 Exam - Topic 5 Question 109 Discussion

What is the difference between statistical detection and rule-based detection models?
B) Statistical detection defines legitimate data of users over a period of time and rule-based detection defines it on an IF/THEN basis
A) Rule-based detection involves the collection of data in relation to the behavior of legitimate users over a period of time
C) Statistical detection involves the evaluation of an object on its intended actions before it executes that behavior
D) Rule-based detection defines legitimate data of users over a period of time and statistical detection defines it on an IF/THEN basis

Cisco 200-201 Exam - Topic 5 Question 109 Discussion

Actual exam question for Cisco's 200-201 exam
Question #: 109
Topic #: 5
[All 200-201 Questions]

What is the difference between statistical detection and rule-based detection models?

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Suggested Answer: B

Statistical detection involves collecting data over time to define what is considered normal behavior or legitimate data for users or systems. It then uses statistical analysis to identify abnormal behavior that could indicate a security incident. Rule-based detection uses predefined rules or patterns that are based on known threats or vulnerabilities - it operates on an IF/THEN basis where if certain conditions are met then an alert is triggered.Reference:=Cisco Cybersecurity Operations Fundamentals


by Ellen at May 05, 2025, 12:56 AM

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Detra
8 months ago
D sounds wrong to me; it’s the other way around.
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Erin
9 months ago
I think A is also true, but not the main point.
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Eden
9 months ago
B is spot on! That's the key difference.
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Elly
9 months ago
C is interesting, but I’m not sure it’s the best description.
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Eloisa
9 months ago
Wait, how can statistical detection be IF/THEN? That seems off.
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Heidy
9 months ago
I thought rule-based detection was about defining legitimate data, but I can't remember if that's option A or D. This is confusing!
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Elly
10 months ago
I feel like I mixed up the definitions in my studies. Wasn't statistical detection about evaluating actions before they happen?
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Lynsey
10 months ago
I remember practicing a question that mentioned statistical detection looks at user behavior over time, so I think option B might be correct.
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Amber
10 months ago
I think rule-based detection is more about specific conditions, like IF/THEN statements, but I'm not entirely sure how that compares to statistical detection.
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Whitney
10 months ago
I think the key difference is that statistical detection looks at patterns and trends in user behavior, while rule-based detection uses predefined rules to identify legitimate vs. illegitimate actions. I'll make sure to clearly articulate that in my answer.
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Kimbery
11 months ago
Wait, I'm a bit confused now. Didn't the question say that statistical detection defines legitimate data over time, and rule-based uses IF/THEN rules? I need to re-read this and make sure I have the right understanding before responding.
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Van
11 months ago
Okay, I've got this. Statistical detection evaluates an object's intended actions before it executes, while rule-based detection collects data on legitimate user behavior over time. I'm confident I can explain the distinction well in my answer.
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Michal
11 months ago
Hmm, this question is a bit tricky. I'm not entirely sure I understand the difference between the two approaches. I'll need to think it through carefully and review my notes before answering.
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Von
11 months ago
I think I have a pretty good understanding of the difference between statistical and rule-based detection models. The key seems to be that statistical detection looks at user behavior over time to define what's legitimate, while rule-based detection uses predefined IF/THEN rules.
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Aileen
1 year ago
Exactly. It's all about the approach to analyzing and detecting anomalies in data.
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Catherin
1 year ago
So, statistical detection is more proactive in identifying potential threats, while rule-based detection is more reactive?
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Delmy
1 year ago
I agree. Statistical detection focuses on evaluating behavior before execution, while rule-based detection collects data over time.
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Aileen
1 year ago
I think the difference lies in how they define legitimate data.
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Helaine
1 year ago
I'm going with B. Anything involving IF/THEN statements just screams 'rule-based' to me. But who knows, maybe the correct answer is 'all of the above and none of the above' - that's the kind of mind-bending logic these exams love.
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Amber
1 year ago
This question is a real head-scratcher. Maybe the answer key is just a random number generator - that would be a real statistical detection model!
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Reuben
1 year ago
D is what I would choose. Rule-based detection defines legitimate data over time, while statistical detection uses conditional logic.
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Laticia
1 year ago
Yes, rule-based detection focuses on defining legitimate data over time, while statistical detection uses conditional logic.
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Rana
1 year ago
I agree, D seems to be the correct choice.
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Jacqueline
1 year ago
C seems more accurate to me. Statistical detection evaluates an object's intended actions before it executes, rather than just looking at past behavior.
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Fletcher
1 year ago
I'm not sure, but I think D might be the right choice. Rule-based detection defines data over time, while statistical detection is more IF/THEN based.
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Oliva
1 year ago
I think B is the correct answer. Statistical detection defines data over time, while rule-based detection is more IF/THEN based.
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Sylvia
1 year ago
I agree, C does seem more accurate. Statistical detection looks at the intended actions of an object.
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Anglea
1 year ago
I think B is the correct answer. Statistical detection uses data analysis to define legitimate user behavior, while rule-based detection uses predefined rules to detect anomalies.
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Valda
1 year ago
B is the right choice. Statistical detection uses data analysis to define legitimate user behavior, while rule-based detection uses predefined rules.
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Jesusita
1 year ago
Statistical detection focuses on analyzing data for legitimate behavior, while rule-based detection relies on set rules to identify anomalies.
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Jenifer
1 year ago
I agree, B is the correct answer. Statistical detection is based on data analysis and rule-based detection uses predefined rules.
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