Question 50 of 507
Network Intrusion AnalysishardMultiple ChoiceObjective-mapped

Quick Answer

The answer is anomaly-based detection. Behavioral profiling works by first establishing a baseline of normal network traffic patterns, then flagging any significant deviations from that baseline as potential threats, which is the precise mechanism of anomaly-based detection. This method contrasts with signature-based detection, which relies on predefined patterns of known attacks. On the Cisco CyberOps Associate 200-201 exam, this concept tests your understanding of how IPS engines classify threats without requiring a signature update, often appearing in scenario-based questions where a system learns "normal" over time. A common trap is confusing behavioral profiling with policy-based detection, but remember: if it learns a baseline and flags outliers, it is anomaly-based. A useful memory tip is to think of "behavioral" as "baseline" — both start with B, linking the profiling method directly to anomaly detection.

200-201 Network Intrusion Analysis Practice Question

This 200-201 practice question tests your understanding of network intrusion analysis. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

A security team implements an IPS that uses behavioral profiling. Which type of detection method is being used?

Question 1hardmultiple choice
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Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Anomaly-based

Behavioral profiling establishes a baseline of normal network traffic patterns and then flags deviations from that baseline as potential threats. This is the core mechanism of anomaly-based detection, which identifies malicious activity by comparing observed behavior against a learned model of normal behavior rather than against predefined signatures or rules.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Heuristic

    Why it's wrong here

    Heuristic uses experience-based rules, not baseline profiling.

  • Signature-based

    Why it's wrong here

    Signature-based uses predefined signatures, not behavioral baselines.

  • Rule-based

    Why it's wrong here

    Rule-based is similar to signature-based.

  • Anomaly-based

    Why this is correct

    Behavioral profiling defines normal behavior and detects anomalies.

    Related concept

    Read the scenario before looking for a memorised answer.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Cisco often tests the distinction between anomaly-based and heuristic detection, where candidates mistakenly choose heuristic because both involve 'behavior' or 'profiling,' but heuristic relies on predefined rules of thumb while anomaly-based relies on a learned baseline of normal behavior.

Trap categories for this question

  • Similar concept trap

    Rule-based is similar to signature-based.

Detailed technical explanation

How to think about this question

Anomaly-based IPS systems often use statistical models (e.g., mean and standard deviation of packet sizes, protocol distributions) or machine learning algorithms to define a baseline. A real-world example is detecting a DDoS attack when traffic volume suddenly exceeds three standard deviations from the historical mean. This method can detect zero-day exploits but may generate false positives if the baseline is not properly tuned or if legitimate traffic patterns change abruptly.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this 200-201 question test?

Network Intrusion Analysis — This question tests Network Intrusion Analysis — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Anomaly-based — Behavioral profiling establishes a baseline of normal network traffic patterns and then flags deviations from that baseline as potential threats. This is the core mechanism of anomaly-based detection, which identifies malicious activity by comparing observed behavior against a learned model of normal behavior rather than against predefined signatures or rules.

What should I do if I get this 200-201 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 25, 2026

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This 200-201 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 200-201 exam.