CAS-004 Security Operations Practice Question
A security analyst receives an alert from the SIEM indicating a potential phishing email with a malicious attachment. The analyst wants to automatically isolate the affected endpoint and block the sender. Which technology should be used to automate this response?
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
✓
SOAR
SOAR (Security Orchestration, Automation, and Response) platforms enable automated response playbooks to handle incidents like phishing.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
SOAR
Why this is correct
SOAR is designed for automated incident response orchestration.
- ✗
EDR
Why it's wrong here
EDR provides endpoint detection and response but typically requires manual or integrated automation.
- ✗
XDR
Why it's wrong here
XDR provides extended detection but may not have native orchestration like SOAR.
- ✗
SIEM
Why it's wrong here
SIEM focuses on log aggregation and alerting, not automated response.
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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.