The answer is a dynamic security group based on department attribute. This is correct because the exhibit displays a JSON rule using the `user.department -eq "Marketing"` syntax, which automatically adds or removes members based on changes to the department attribute in Microsoft Entra ID, rather than requiring manual assignment. On the SC-900 exam, this scenario tests your ability to distinguish between assigned and dynamic group types, as well as between security groups and Microsoft 365 groups—a common trap is confusing a dynamic rule with a static assignment or misidentifying the group type when `mailEnabled` is absent. Remember that dynamic group membership rules in Microsoft Entra ID rely on attribute-based expressions like department, job title, or location, and the absence of `mailEnabled: true` confirms it is a security group, not a Microsoft 365 group. A helpful memory tip: “Dynamic equals attribute-driven; no mail means security, not 365.”
SC-900 Practice Question: Describe the capabilities of Microsoft security solutions
This SC-900 practice question tests your understanding of describe the capabilities of microsoft security solutions. 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.
Exhibit
Refer to the exhibit.
```json
{
"properties": {
"displayName": "Marketing Group",
"description": "Users in marketing department",
"membershipRule": "(user.department -eq \"Marketing\")",
"membershipRuleProcessingState": "On",
"groupTypes": ["DynamicMembership"]
}
}
```
Refer to the exhibit. You are configuring a Microsoft Entra ID group. What does the exhibit represent?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A dynamic security group based on department attribute.
The JSON shows a dynamic group in Microsoft Entra ID with a membership rule that includes users whose department equals 'Marketing'. Option A is incorrect because it's a dynamic group, not assigned. Option C is incorrect because it's a security group, not a Microsoft 365 group (no mailEnabled). Option D is incorrect because the rule is for department, not location.
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.
✓
A dynamic security group based on department attribute.
Why this is correct
The rule uses user.department to automatically add members.
Related concept
Read the scenario before looking for a memorised answer.
✗
A Microsoft 365 group with dynamic membership.
Why it's wrong here
The JSON does not include mailEnabled or Microsoft 365 properties.
✗
A dynamic group based on user location.
Why it's wrong here
The rule is based on department, not location.
✗
A static security group with assigned members.
Why it's wrong here
The membershipRule and groupTypes indicate a dynamic group, not static.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-900 question in full detail.
Identify which SC-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Describe the capabilities of Microsoft security solutions — This question tests Describe the capabilities of Microsoft security solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: A dynamic security group based on department attribute. — The JSON shows a dynamic group in Microsoft Entra ID with a membership rule that includes users whose department equals 'Marketing'. Option A is incorrect because it's a dynamic group, not assigned. Option C is incorrect because it's a security group, not a Microsoft 365 group (no mailEnabled). Option D is incorrect because the rule is for department, not location.
What should I do if I get this SC-900 question wrong?
Identify which SC-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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