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.
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?
Heuristic
Why wrong: Heuristic uses experience-based rules, not baseline profiling.
Signature-based
Why wrong: Signature-based uses predefined signatures, not behavioral baselines.
Rule-based
Why wrong: Rule-based is similar to signature-based.
Anomaly-based
Behavioral profiling defines normal behavior and detects anomalies.
Answer choices
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
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
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
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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FAQ
Network Intrusion Analysis — This question tests Network Intrusion Analysis — Read the scenario before looking for a memorised answer..
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
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.
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