Question 279 of 507
Network Intrusion AnalysiseasyMultiple SelectObjective-mapped

Quick Answer

The correct answer is to escalate to the incident response team and verify the alert with other data sources. This is because a critical alert response procedure requires confirming a true positive through cross-validation with firewall logs, NetFlow data, or endpoint detection responses before initiating full incident response. On the Cisco CyberOps Associate 200-201 exam, this tests your understanding of the verification step as a core SOC analyst duty, often appearing in scenario-based questions where a trap answer suggests immediate isolation or containment without corroboration. Remember that verification prevents alert fatigue and wasted resources, while escalation ensures the right team acts on validated threats. A useful memory tip is "Verify then Escalate" — think of it as checking your mirrors before changing lanes.

200-201 Network Intrusion Analysis Practice Question

This 200-201 practice question tests your understanding of network intrusion analysis. 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.

Which TWO actions should an analyst take when a critical alert is triggered?

Question 1easymulti select
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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

Verify the alert with other sources

Option B is correct because verifying a critical alert with other sources (e.g., correlating with firewall logs, NetFlow data, or endpoint detection responses) is a fundamental step to confirm the alert is a true positive and not a false positive. This cross-validation reduces the risk of acting on inaccurate information and ensures that the incident response process is based on reliable evidence. Without verification, an analyst might escalate a non-threatening event, wasting resources and potentially missing a real threat.

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.

  • Delete the alert to reduce noise

    Why it's wrong here

    Incorrect. Deleting alerts hides potential threats.

  • Verify the alert with other sources

    Why this is correct

    Correct. Corroborating the alert with other logs confirms its validity.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Escalate to incident response team

    Why this is correct

    Correct. Critical alerts require immediate handling by the incident response team.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Search for similar alerts in the past

    Why it's wrong here

    Incorrect. While helpful, this is not a top priority for a critical alert.

  • Immediately power off the affected system

    Why it's wrong here

    Incorrect. Powering off may destroy evidence and disrupt operations without proper investigation.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Cisco often tests the misconception that immediate containment actions like powering off a system are always the correct first step, when in fact verification and preservation of evidence are prioritized to avoid destroying critical forensic data.

Detailed technical explanation

How to think about this question

In practice, verifying an alert often involves checking the alert's source IP against threat intelligence feeds (e.g., AlienVault OTX, VirusTotal) and correlating with network flow records (NetFlow v9/IPFIX) to confirm the presence of malicious traffic. For example, a Snort signature alert for 'ET TROJAN Win32.Dridex Beacon' should be validated by examining the corresponding PCAP for the specific payload pattern, ensuring the alert is not a false positive caused by a benign application generating similar traffic. This multi-source verification is a core tenet of the NIST Incident Response Lifecycle (SP 800-61r2).

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 practitioner preparing for the 200-201 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.

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.

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FAQ

Questions learners often ask

What does this 200-201 question test?

Network Intrusion Analysis — This question tests Network Intrusion Analysis — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Verify the alert with other sources — Option B is correct because verifying a critical alert with other sources (e.g., correlating with firewall logs, NetFlow data, or endpoint detection responses) is a fundamental step to confirm the alert is a true positive and not a false positive. This cross-validation reduces the risk of acting on inaccurate information and ensures that the incident response process is based on reliable evidence. Without verification, an analyst might escalate a non-threatening event, wasting resources and potentially missing a real threat.

What should I do if I get this 200-201 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.

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Last reviewed: Jun 25, 2026

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