312-39 Security Operations And Management Practice Question
During incident lifecycle management, your team needs to transition from 'Detection' to 'Containment'. What is the most critical action to perform first within your SOAR platform's playbook?
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
✓
Run host isolation playbook
Isolating the affected asset prevents lateral movement before moving to eradication.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Reset all user passwords
Why it's wrong here
This is part of recovery, not containment.
- ✗
Perform full forensic imaging
Why it's wrong here
Imaging happens after the threat is contained.
- ✓
Run host isolation playbook
Why this is correct
Isolation is the primary containment step.
- ✗
Update the firewall rule base
Why it's wrong here
This is a secondary containment measure.
About these practice questions
One of 202 original 312-39 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official EC-Council exam blueprint
This 312-39 practice question is part of Courseiva's free EC-Council 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 312-39 exam.