The answer is communication and escalation procedures, along with clearly defined roles and responsibilities. These two components are essential because an incident response plan must ensure that the right people are notified in the correct order and that every team member knows their specific duties, such as who leads containment or who contacts legal and PR. Without structured escalation paths, critical alerts can be missed, and without clear roles, response efforts become chaotic, delaying containment and increasing damage. On the CISA exam, this topic tests your understanding of the NIST and ISO 27035 frameworks, often appearing as a multiple-select question where distractors like “purchasing new security tools” or “conducting annual tabletop exercises” are common traps—remember that tools and tests support the plan but are not structural components. A helpful memory tip is “Roles and Routes”: roles define who does what, and routes define how information flows upward during a crisis.
CISA Practice Question: Information Systems Operations and Business Resilience
This CISA practice question tests your understanding of information systems operations and business resilience. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO of the following are essential components of an effective incident response plan? (Select exactly 2.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Clearly defined roles and responsibilities
Clearly defined roles and responsibilities (C) are essential because they ensure that during a security incident, every team member knows their specific tasks, such as who leads the investigation, who communicates with stakeholders, and who executes containment actions. Without this clarity, response efforts become chaotic, leading to delays and missed containment windows, which directly impacts the organization's ability to minimize damage and recover quickly.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Root cause analysis procedures
Why it's wrong here
Root cause analysis is done after the incident, not during response.
✗
Detailed vulnerability scanning schedules
Why it's wrong here
Vulnerability scanning is a preventive measure, not part of incident response.
✓
Clearly defined roles and responsibilities
Why this is correct
Essential for coordinated response.
Related concept
Read the scenario before looking for a memorised answer.
✗
List of all hardware vendors and support contacts
Why it's wrong here
While useful, it is not an essential component of the plan itself.
✓
Communication and escalation procedures
Why this is correct
Critical for timely notification and decision-making.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
ISACA often tests the distinction between proactive security activities (like vulnerability scanning or vendor lists) and the reactive, operational components of an incident response plan, leading candidates to mistakenly include non-essential items that are important for general IT management but not for immediate incident handling.
Detailed technical explanation
How to think about this question
An effective incident response plan is built on the NIST SP 800-61 framework, which emphasizes preparation, detection, containment, eradication, and recovery. Roles and responsibilities are defined in the preparation phase, often using a RACI matrix to assign specific actions like 'Incident Commander' or 'Technical Lead', ensuring that during a ransomware outbreak, for example, the containment team immediately isolates affected systems while the communications team notifies legal and PR, all without confusion. Communication and escalation procedures are critical because they define the chain of command and notification thresholds, such as when to escalate to C-level executives or external law enforcement, which prevents delays that could allow an attacker to exfiltrate sensitive data.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the CISA exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Information Systems Operations and Business Resilience — This question tests Information Systems Operations and Business Resilience — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Clearly defined roles and responsibilities — Clearly defined roles and responsibilities (C) are essential because they ensure that during a security incident, every team member knows their specific tasks, such as who leads the investigation, who communicates with stakeholders, and who executes containment actions. Without this clarity, response efforts become chaotic, leading to delays and missed containment windows, which directly impacts the organization's ability to minimize damage and recover quickly.
What should I do if I get this CISA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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