CS0-003 Domain 3: Incident Response and Management

Which communication channel is out-of-band during IR?

Multiple choice — select one answer

Answer choices

  1. a. Separate phone bridge not on compromised email
  2. b. Incident commander with technical leads
  3. c. Notification obligations and liability
  4. d. Memory dump before power off

Architectural breakdown & explanation

OOB avoids attacker monitoring.

Correct answer(s): a. Separate phone bridge not on compromised email

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

Official documentation & study links

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