CISA Practice Question: Information Systems Operations and Business Resilience
An organization is implementing a new incident management process aligned with ITIL. The IT team discovers a critical system is down, affecting all users. According to ITIL, what severity level should be assigned to this incident?
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
✓
P1
A P1 (Priority 1) incident is the highest severity, typically involving a critical system outage that affects all users or major business operations.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
P1
Why this is correct
P1 incidents are critical and require immediate response.
- ✗
P3
Why it's wrong here
P3 incidents are moderate severity and typically affect a small group.
- ✗
P2
Why it's wrong here
P2 incidents are high severity but do not affect all users or critical functions.
- ✗
P4
Why it's wrong here
P4 incidents are low severity, such as minor issues or requests.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CISA practice question is part of Courseiva's free ISACA 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 CISA exam.