CS0-003 Domain 3: Incident Response and Management

Which ransomware first response isolates hosts?

Multiple choice — select one answer

Answer choices

  1. a. Separate phone bridge not on compromised email
  2. b. Regulatory deadlines (e.g., 72-hour GDPR class)
  3. c. Email all customers unverified link
  4. d. Disconnect from network / EDR isolate

Architectural breakdown & explanation

Isolation prevents spread.

Correct answer(s): d. Disconnect from network / EDR isolate

Exam domain: Domain 3: Incident Response and Management (20% weight on the official guide).

Official documentation & study links

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