ISC2 CC Security Operations Practice Question
Which of the following is a key function of a Security Information and Event Management (SIEM) system?
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
✓
Correlating log data from multiple sources to identify security incidents
SIEM aggregates and correlates logs from various sources to detect patterns and generate alerts.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Blocking malicious network traffic
Why it's wrong here
Blocking traffic is typically done by firewalls or IPS, not SIEM.
- ✓
Correlating log data from multiple sources to identify security incidents
Why this is correct
Correct. Correlation is a core SIEM function.
- ✗
Enforcing password complexity requirements
Why it's wrong here
Password policies are enforced by directory services, not SIEM.
- ✗
Patching vulnerabilities in operating systems
Why it's wrong here
Patch management is separate from SIEM.
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
Key term
SIEM
SIEM (Security Information and Event Management) is a system that collects and analyzes log data from across an IT environment to detect and respond to security threats in real time.
Key term
Security Information and Event Management
A system that collects, analyzes, and reports on security data from across an IT environment to detect and respond to threats.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 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 CC exam.