ISC Security Operations Practice Question
Which THREE actions should be taken when performing an incident post-mortem according to industry best practices?
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
✓
Review the effectiveness of the response timeline
Post-mortems focus on identifying root causes, improving processes, and ensuring documentation is captured.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Review the effectiveness of the response timeline
Why this is correct
Analyzing the timeline reveals bottlenecks and inefficiencies.
- ✓
Identify the root cause of the incident
Why this is correct
Essential for preventing recurrence.
- ✗
Discipline the analyst who missed the alert
Why it's wrong here
Blame culture hinders learning and transparency.
- ✓
Update IR documentation based on lessons learned
Why this is correct
Continuous improvement is a goal of the IR life cycle.
- ✗
Delete all evidence to save storage space
Why it's wrong here
Evidence must be preserved for compliance and future analysis.
About these practice questions
One of 219 original ISC 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 (ISC)² exam blueprint
This ISC practice question is part of Courseiva's free (ISC)² 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 ISC exam.