CISM Incident Management Practice Question
After a DDoS attack, the incident response team determines that the incident cannot be resolved within the maximum tolerable downtime (MTD). According to best practices, what should happen next?
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
✓
Escalate to the business continuity and disaster recovery teams.
If MTD cannot be met, business continuity or disaster recovery plans should be activated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Notify customers and shut down operations.
Why it's wrong here
BC/DR activation aims to maintain operations, not shut down.
- ✓
Escalate to the business continuity and disaster recovery teams.
Why this is correct
BC/DR activation ensures continuity of critical business functions.
- ✗
Continue current response efforts and hope for the best.
Why it's wrong here
Proactive escalation is necessary to minimize business impact.
- ✗
Declare the incident as a disaster immediately without further analysis.
Why it's wrong here
Escalation should follow established criteria; MTD exceedance is one such criterion.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CISM 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 CISM exam.