CISA Practice Question: Information Systems Operations and Business Resilience
An organization classifies IT incidents based on severity. A critical financial application is unavailable, impacting all users. According to ITIL best practices, which severity level should this incident be assigned?
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
P1 incidents are the highest severity, typically involving a critical service outage affecting all users with significant business impact.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
P2
Why it's wrong here
Incorrect: P2 is for significant but not critical incidents, usually affecting a subset of users.
- ✗
P3
Why it's wrong here
Incorrect: P3 is for minor incidents with limited impact.
- ✓
P1
Why this is correct
Correct: P1 is for critical incidents with major business impact, such as a full application outage.
- ✗
P4
Why it's wrong here
Incorrect: P4 is for low-impact incidents or service requests.
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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.