200-201 Security Policies and Procedures Practice Question
In the NIST SP 800-61 Rev 2 incident response process, which phase involves activities such as performing lessons learned and updating the incident response plan?
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
✓
Post-Incident Activity
Post-Incident Activity includes lessons learned, updating plans, and metrics.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Preparation
Why it's wrong here
Preparation builds capability before an incident, covering tools, training and plan creation; it does not capture lessons from a completed incident. It is tempting because updating the plan sounds preparatory, but NIST SP 800-61 Rev 2 assigns lessons learned and plan revision to Post-Incident Activity.
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Containment, Eradication, and Recovery
Why it's wrong here
Containment, Eradication and Recovery limits damage and restores systems; lessons learned and plan updates occur after recovery, in Post-Incident Activity. It is tempting because recovery feels like the end of an incident, yet NIST SP 800-61 Rev 2 places the review and plan revision in the following phase.
- ✗
Detection and Analysis
Why it's wrong here
Detection and Analysis confirms and scopes an incident; it produces no formal lessons-learned review or plan update. It is tempting because analysis generates findings, but NIST SP 800-61 Rev 2 places the post-mortem meeting and plan revision in Post-Incident Activity, after recovery.
- ✓
Post-Incident Activity
Why this is correct
Post-Incident Activity is the final NIST SP 800-61 Rev 2 phase, covering lessons learned reviews and incident response plan updates once containment, eradication and recovery are complete. It satisfies the stem's requirement for the phase where findings feed back into improved procedures, distinguishing it from Detection and Analysis or Containment, Eradication and Recovery.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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