The answer is that Microsoft Defender for Identity is not enabled for the tenant. This is the most likely reason because the KQL query targets the `IdentityLogonEvents` table, which is exclusively populated by Microsoft Defender for Identity (MDI). Without MDI being provisioned and collecting data, that table remains empty, so even a perfectly written query for admin@contoso.com will return no results—the syntax and role name are correct, but the data source itself is missing. On the MS-102 exam, this scenario tests your understanding that Microsoft 365 Defender tables are not automatically available; each depends on a specific workload being licensed and activated. A common trap is to assume the query is wrong or that the user lacks permissions, but the real issue is the underlying service. Memory tip: "No MDI, no Identity data—empty table, empty result."
MS-102 Deploy and manage a Microsoft 365 tenant Practice Question
This MS-102 practice question tests your understanding of deploy and manage a microsoft 365 tenant. 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.
```kusto
IdentityInfo
| where UserPrincipalName == "admin@contoso.com"
| project UserPrincipalName, AssignedRoles, LastPasswordChangeDateTime
| where AssignedRoles contains "Global Administrator"
```
The exhibit shows a KQL query used in Microsoft 365 Defender. The query returns no results for admin@contoso.com. What is the most likely reason?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft Defender for Identity is not enabled for the tenant.
The KQL query uses the `IdentityLogonEvents` table, which is populated by Microsoft Defender for Identity (MDI). If MDI is not enabled for the tenant, this table contains no data, so the query returns no results regardless of the user's role or query syntax. The query itself is syntactically correct and the role name 'GlobalAdministrator' is valid, but without MDI being provisioned, the table is empty.
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.
✗
The user does not have the Global Administrator role.
Why it's wrong here
Even if not, the query would still return the user with no role match; but no user is returned, indicating data absence.
✗
The KQL query syntax is invalid.
Why it's wrong here
The syntax is valid; it filters by role.
✗
The role name in the query is misspelled.
Why it's wrong here
'Global Administrator' is correct; but if misspelled, the user would still appear without role.
✓
Microsoft Defender for Identity is not enabled for the tenant.
Why this is correct
The IdentityInfo table relies on Defender for Identity data.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume a query returning no results must have a syntax error or a misspelled value, when in fact the underlying data source (Defender for Identity) may not be provisioned, causing the table to be empty.
Detailed technical explanation
How to think about this question
Microsoft Defender for Identity (MDI) leverages on-premises Active Directory signals and Azure AD sign-in logs to populate the `IdentityLogonEvents` table in Advanced Hunting. Without MDI being enabled (or licensed), the table is not populated, and queries against it return zero rows. This is a common pitfall because the table name exists in the schema even when the service is not active, leading candidates to assume the query is at fault rather than the missing data source.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this MS-102 question in full detail.
Deploy and manage a Microsoft 365 tenant — This question tests Deploy and manage a Microsoft 365 tenant — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft Defender for Identity is not enabled for the tenant. — The KQL query uses the `IdentityLogonEvents` table, which is populated by Microsoft Defender for Identity (MDI). If MDI is not enabled for the tenant, this table contains no data, so the query returns no results regardless of the user's role or query syntax. The query itself is syntactically correct and the role name 'GlobalAdministrator' is valid, but without MDI being provisioned, the table is empty.
What should I do if I get this MS-102 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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