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Question 187 of 1,639
Respond to security incidents →mediumMultiple ChoiceObjective-mapped

Alert Grouping in Sentinel: Single Incident for Matching Entities

This SC-200 practice question tests your understanding of respond to security incidents. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.

Exhibit

Refer to the exhibit.

```json
{
  "properties": {
    "displayName": "SOC Critical Alert Rule",
    "description": "Triggers on critical severity alerts",
    "severity": "High",
    "enabled": true,
    "query": "SecurityAlert | where Severity == 'High' | where TimeGenerated > ago(5m)",
    "queryFrequency": "PT5M",
    "queryPeriod": "PT5M",
    "triggerOperator": "GreaterThan",
    "triggerThreshold": 0,
    "suppressionDuration": "PT5M",
    "suppressionEnabled": false,
    "incidentConfiguration": {
      "createIncident": true,
      "groupingConfiguration": {
        "enabled": true,
        "reopenClosedIncident": false,
        "lookbackDuration": "PT5M",
        "entitiesMatchingMethod": "All"
      }
    }
  }
}
```

You have a Microsoft Sentinel analytical rule with the above configuration. During a security incident, multiple high-severity alerts are generated within a 5-minute window. How does the rule handle these alerts?

Exhibit

Refer to the exhibit.

```json
{
  "properties": {
    "displayName": "SOC Critical Alert Rule",
    "description": "Triggers on critical severity alerts",
    "severity": "High",
    "enabled": true,
    "query": "SecurityAlert | where Severity == 'High' | where TimeGenerated > ago(5m)",
    "queryFrequency": "PT5M",
    "queryPeriod": "PT5M",
    "triggerOperator": "GreaterThan",
    "triggerThreshold": 0,
    "suppressionDuration": "PT5M",
    "suppressionEnabled": false,
    "incidentConfiguration": {
      "createIncident": true,
      "groupingConfiguration": {
        "enabled": true,
        "reopenClosedIncident": false,
        "lookbackDuration": "PT5M",
        "entitiesMatchingMethod": "All"
      }
    }
  }
}
```

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

✓

Alerts with the same entities are grouped into a single incident.

Option C is correct because the analytical rule is configured with 'Group alerts into incidents by: Grouping alerts into a single incident based on matching entities.' This means that when multiple high-severity alerts are generated within a 5-minute window, the rule evaluates the entities (e.g., IP addresses, user accounts) in each alert. If the alerts share the same entities, they are grouped into a single incident, preventing alert flooding and consolidating related security events.

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.

  • ✗

    Only the first alert creates an incident; subsequent alerts are ignored.

    Why it's wrong here

    Grouping uses lookback duration to include alerts.

  • ✗

    Each alert creates a separate incident.

    Why it's wrong here

    Grouping is enabled, so alerts are grouped into one incident.

  • ✓

    Alerts with the same entities are grouped into a single incident.

    Why this is correct

    Grouping with 'All' entities matching method groups alerts sharing all entities.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    Alerts are suppressed for 5 minutes after the first alert.

    Why it's wrong here

    Suppression is disabled, so no suppression occurs.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse 'alert grouping' with 'alert suppression' or assume that multiple alerts always create multiple incidents, failing to notice the specific entity-based grouping configuration in the rule settings.

Detailed technical explanation

How to think about this question

Under the hood, Microsoft Sentinel's alert grouping uses entity mapping defined in the analytics rule. When alerts are generated, the rule's 'Grouping' settings compare entity identifiers (e.g., Account, Host, IP) across alerts. If the same entity appears in multiple alerts within the specified time window (e.g., 5 minutes), those alerts are merged into one incident, with the incident's severity set to the highest severity among the grouped alerts. A real-world scenario: if a single user account triggers multiple failed logon alerts from different source IPs within 5 minutes, grouping them into one incident avoids analyst fatigue and provides a consolidated view of the attack pattern.

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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.

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 SC-200 question test?

Respond to security incidents — This question tests Respond to security incidents — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Alerts with the same entities are grouped into a single incident. — Option C is correct because the analytical rule is configured with 'Group alerts into incidents by: Grouping alerts into a single incident based on matching entities.' This means that when multiple high-severity alerts are generated within a 5-minute window, the rule evaluates the entities (e.g., IP addresses, user accounts) in each alert. If the alerts share the same entities, they are grouped into a single incident, preventing alert flooding and consolidating related security events.

What should I do if I get this SC-200 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: Jul 4, 2026

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