AI0-001 AI Implementation and Operations Practice Question
An AI system for fraud detection shows a gradual decline in precision over several weeks, though recall remains stable. Which type of model drift is most likely occurring?
⚠ Common exam trap
The CompTIA AI exam often tests the distinction between data drift and concept drift by presenting a scenario where only one performance metric changes, tempting candidates to incorrectly choose data drift because they associate any performance decline with input data changes, rather than recognizing that a stable recall with dropping precision points to a shift in the underlying concept.
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
✓
Concept drift
Concept drift occurs when the statistical relationship between input features and the target variable changes over time, causing the model's decision boundary to become less accurate. In this scenario, precision is declining while recall remains stable, indicating that the model is producing more false positives even though it still catches the same proportion of true positives. This is a classic sign of concept drift, where the underlying definition of fraud has shifted, not the data distribution itself.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Data drift
Why it's wrong here
Data drift typically affects both precision and recall.
- ✗
Covariate shift
Why it's wrong here
Covariate shift is similar to data drift and would affect both metrics.
- ✗
Label drift
Why it's wrong here
Label drift changes ground truth, impacting both metrics.
- ✓
Concept drift
Why this is correct
Concept drift alters the decision boundary, often increasing false positives while recall remains stable.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This AI0-001 practice question is part of Courseiva's free CompTIA 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 AI0-001 exam.