SC-200 Mitigate threats using Microsoft Defender XDR Practice Question
This SC-200 practice question tests your understanding of mitigate threats using microsoft defender xdr. 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.
A global enterprise uses Microsoft 365 Defender across multiple tenants. During an incident, a security analyst needs to search for a specific file hash indicator of compromise (IOC) across all mailboxes and endpoints in all tenants from a single interface. Which feature allows the analyst to run a query across multiple tenants without switching contexts?
This feature allows running advanced hunting queries across multiple tenants in one query, enabling IOC searches across all environments.
B
Multi-tenant management
Why wrong: Multi-tenant management provides a unified view of settings and incidents across tenants, but does not support cross-tenant advanced hunting queries.
C
Unified audit log
Why wrong: The unified audit log is per tenant and cannot be queried across multiple tenants simultaneously.
D
Microsoft Graph Security API
Why wrong: The Graph Security API can be used to query IOCs programmatically, but it requires custom development and is not a built-in portal feature for cross-tenant hunting.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Cross-tenant advanced hunting
Cross-tenant advanced hunting in Microsoft 365 Defender allows a security analyst to run Kusto Query Language (KQL) queries across multiple tenants from a single interface. This feature is specifically designed for hunting for indicators of compromise (IOCs), such as file hashes, across all mailboxes and endpoints in a multi-tenant environment without requiring the analyst to switch between tenant portals.
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.
✓
Cross-tenant advanced hunting
Why this is correct
This feature allows running advanced hunting queries across multiple tenants in one query, enabling IOC searches across all environments.
Related concept
Read the scenario before looking for a memorised answer.
✗
Multi-tenant management
Why it's wrong here
Multi-tenant management provides a unified view of settings and incidents across tenants, but does not support cross-tenant advanced hunting queries.
✗
Unified audit log
Why it's wrong here
The unified audit log is per tenant and cannot be queried across multiple tenants simultaneously.
✗
Microsoft Graph Security API
Why it's wrong here
The Graph Security API can be used to query IOCs programmatically, but it requires custom development and is not a built-in portal feature for cross-tenant hunting.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse multi-tenant management (a centralized policy and settings tool) with cross-tenant advanced hunting (a query tool), assuming that any 'multi-tenant' feature can run cross-tenant queries, but only cross-tenant advanced hunting supports interactive KQL hunting across tenants.
Detailed technical explanation
How to think about this question
Cross-tenant advanced hunting uses a federated query model where the initiating tenant sends KQL queries to target tenants via Azure Data Explorer (ADX) cross-cluster queries. The results are aggregated and displayed in the Microsoft 365 Defender portal, respecting each tenant's role-based access control (RBAC) and data isolation policies. This feature is particularly useful in managed security service provider (MSSP) scenarios where a central SOC needs to hunt for IOCs across hundreds of tenants without manual context switching.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-200 question in full detail.
Mitigate threats using Microsoft Defender XDR — This question tests Mitigate threats using Microsoft Defender XDR — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Cross-tenant advanced hunting — Cross-tenant advanced hunting in Microsoft 365 Defender allows a security analyst to run Kusto Query Language (KQL) queries across multiple tenants from a single interface. This feature is specifically designed for hunting for indicators of compromise (IOCs), such as file hashes, across all mailboxes and endpoints in a multi-tenant environment without requiring the analyst to switch between tenant portals.
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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Question Discussion
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