CS0-003 Incident Response and Management Practice Question
During the preparation phase of the NIST SP 800-61 incident response lifecycle, which of the following is the MOST important activity to ensure effective incident response?
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
✓
Creating and training the incident response team
Preparation includes creating and training the incident response team, acquiring tools, and establishing procedures. A well-trained team is critical to executing the response effectively.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Using YARA rules to detect malware in the environment
Why it's wrong here
YARA rules are used during detection and analysis, not preparation.
- ✗
Implementing network segmentation to limit lateral movement
Why it's wrong here
Network segmentation is a containment strategy, not a preparation activity.
- ✗
Conducting a root cause analysis after each incident
Why it's wrong here
Root cause analysis is part of post-incident activity, not preparation.
- ✓
Creating and training the incident response team
Why this is correct
This is a core preparation activity that ensures the team is ready to respond.
Go deeper
Related to this question
Learn chapter
Endpoint Detection and Response
Key term
Preparation
Preparation is the first phase of incident response where organizations proactively establish policies, tools, training, and procedures to handle security incidents effectively.
Key term
Incident
An incident is a security event that violates an organization's policies or threatens its data, systems, or operations, requiring a structured response.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CS0-004 practice question is part of Courseiva's free CompTIA 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 CS0-004 exam.