Question 1,073 of 1,152
Security OperationsmediumMultiple ChoiceObjective-mapped

Quick Answer

The answer is to perform a lessons-learned review and update playbooks, controls, or detections based on the incident. This is correct because the incident response lifecycle explicitly includes a post-incident activity phase that occurs after restoration; simply restoring operations does not complete the process. The technical purpose of this phase is to analyze what went wrong, identify gaps in security controls, and refine detection signatures and playbooks so the organization reduces the likelihood and impact of similar future incidents. On the Security+ SY0-701 exam, this question tests your understanding that the lifecycle is not finished when systems are back online—many candidates mistakenly stop at eradication or restoration, but the exam emphasizes that continuous improvement through lessons learned is the final, critical step. A common trap is choosing an option that focuses on re-imaging or verifying functionality again, which duplicates earlier steps. Remember the mnemonic “R.I.P.” for the final phase: Review, Improve, Protect.

SY0-701 Security Operations Practice Question

This SY0-701 practice question tests your understanding of security operations. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

After containment and eradication of malware on several laptops, the team restores the devices from known-good images and verifies that users can authenticate and access email. Which action should occur NEXT to complete the incident response lifecycle and reduce future impact?

Question 1mediummultiple choice
Full question →

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

Perform a lessons-learned review and update playbooks, controls, or detections based on the incident

Option B is correct because the incident response lifecycle includes a post-incident activity phase where the team conducts a lessons-learned review to identify gaps in security controls, update playbooks, and improve detection signatures. This step ensures that the organization reduces the likelihood and impact of similar incidents in the future, completing the lifecycle beyond just restoring operations.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Close the ticket immediately because the systems are working again

    Why it's wrong here

    Functionality is not the same as completing the response cycle, and closing immediately skips important follow-up analysis.

  • Perform a lessons-learned review and update playbooks, controls, or detections based on the incident

    Why this is correct

    A post-incident review captures what worked, what failed, and what should change so the same problem is less likely to recur.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Reimage the laptops again even though they were already restored and tested

    Why it's wrong here

    Repeating the same restore without new evidence adds effort without improving response quality or reducing risk.

  • Disable all email access for the organization until the next quarterly meeting

    Why it's wrong here

    This is far more disruptive than necessary and does not directly address the root cause of the incident.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates assume the incident response lifecycle ends once systems are restored and operational, overlooking the mandatory post-incident activity phase that ensures continuous improvement and prevents recurrence.

Detailed technical explanation

How to think about this question

The lessons-learned review typically involves analyzing logs, detection alerts (e.g., from EDR or SIEM), and the attack vector to refine detection rules (e.g., YARA signatures or Sigma rules) and update incident response playbooks. In a real-world scenario, this phase might reveal that the initial infection occurred via a phishing email with a malicious macro, prompting the team to deploy a macro-blocking policy via Group Policy and add the email subject line to the email security gateway's block list.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A SOC analyst notices unusual lateral movement in the network at 2 AM. The IR playbook dictates: identify and contain (isolate the affected machine), then eradicate (remove the malware), then recover (restore from backup), then document. Skipping containment before eradication risks the attacker regaining access. Questions like this test the sequence and rationale of incident response phases.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

Related practice questions

Related SY0-701 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

Practice this exam

Start a free SY0-701 practice session

Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.

FAQ

Questions learners often ask

What does this SY0-701 question test?

Security Operations — This question tests Security Operations — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Perform a lessons-learned review and update playbooks, controls, or detections based on the incident — Option B is correct because the incident response lifecycle includes a post-incident activity phase where the team conducts a lessons-learned review to identify gaps in security controls, update playbooks, and improve detection signatures. This step ensures that the organization reduces the likelihood and impact of similar incidents in the future, completing the lifecycle beyond just restoring operations.

What should I do if I get this SY0-701 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

About these practice questions

Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →

How Courseiva writes practice questions · Editorial policy

Keep practising

More SY0-701 practice questions

Last reviewed: Jun 11, 2026

Question Discussion

Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.

Loading comments…

Sign in to join the discussion.

This SY0-701 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 SY0-701 exam.