ISC2 CC Practice Question: Business Continuity, Disaster Recovery, and Incident Response
An organization experiences a denial-of-service (DoS) attack. Which TWO actions should the incident response team take during the containment phase? (Select two.)
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
✓
Disconnect affected servers from the network
Containment aims to limit damage. Filtering traffic and disconnecting affected systems are typical containment actions for a DoS attack.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Disconnect affected servers from the network
Why this is correct
This prevents further impact from the attack.
- ✓
Filter malicious traffic at the firewall
Why this is correct
This helps stop the attack from affecting services.
- ✗
Restore systems from backup
Why it's wrong here
Restoration is part of recovery, not containment.
- ✗
Notify law enforcement
Why it's wrong here
Notification may be done later, not a containment action.
- ✗
Conduct a root cause analysis
Why it's wrong here
Root cause analysis is part of lessons learned, not containment.
Go deeper
Related to this question
Learn chapter
Incident Response and Management
Key term
Incident response
Incident response is the structured approach an organization uses to identify, contain, and recover from cybersecurity incidents like data breaches or ransomware attacks.
Key term
Containment
Containment is the incident response phase where security teams isolate a compromised system or network to prevent the threat from spreading further while preserving evidence.
About these practice questions
One of 976 original CC practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 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 CC exam.