CAS-004 Security Operations Practice Question
An organization uses a SIEM to collect logs from multiple sources. The security team wants to identify users who are accessing resources outside of normal business hours and exhibiting unusual data transfer patterns. Which advanced SIEM capability would be most effective?
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
✓
User and Entity Behavior Analytics (UEBA)
User and Entity Behavior Analytics (UEBA) establishes baselines for user activity and detects anomalies, such as unusual access times and data transfer patterns.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Threat intelligence feed integration
Why it's wrong here
Threat feeds provide known bad indicators, not behavioral anomalies.
- ✓
User and Entity Behavior Analytics (UEBA)
Why this is correct
UEBA uses machine learning to detect deviations from established baselines.
- ✗
Log normalization and aggregation
Why it's wrong here
Normalization and aggregation are foundational but do not detect anomalies.
- ✗
Correlation rules with threshold-based alerts
Why it's wrong here
Threshold alerts may generate false positives and miss complex anomalies.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CAS-005 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 CAS-005 exam.