The answer is to onboard the tenants to Azure Lighthouse and delegate the Sentinel workspace. This is correct because Microsoft Defender XDR’s unified incident queue can display cross-tenant incidents only when Azure Lighthouse provides delegated access, allowing the SOC to aggregate alerts and incidents from multiple tenants into a single investigation view without requiring additional licensing. On the SC-200 exam, this scenario tests your understanding of how Azure Lighthouse enables cross-tenant resource management for security operations, often appearing as a two-step configuration: first, onboard the target tenants to Azure Lighthouse, then delegate the Sentinel workspace to centralize incident visibility. A common trap is assuming that simply enabling Microsoft Defender XDR across tenants is sufficient, but without Lighthouse delegation, the unified queue cannot pull data from external tenants. Memory tip: think “Lighthouse lights the path to cross-tenant incidents” — delegation is the key that unlocks the unified view.
SC-200 Manage a security operations environment Practice Question
This SC-200 practice question tests your understanding of manage a security operations environment. 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.
Your organization uses Microsoft Sentinel and Microsoft Defender XDR. The SOC team needs to investigate a cross-tenant incident. Which TWO actions should you take? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use the Microsoft Defender XDR unified incident queue to view incidents across tenants.
Option A is correct because the Microsoft Defender XDR unified incident queue can display incidents from multiple tenants when properly configured, enabling cross-tenant investigation without additional licensing. This feature leverages Azure Lighthouse delegated access to aggregate alerts and incidents across tenants into a single view, streamlining SOC workflows.
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.
✓
Use the Microsoft Defender XDR unified incident queue to view incidents across tenants.
Why this is correct
The unified incident queue aggregates incidents from all onboarded tenants.
Related concept
Read the scenario before looking for a memorised answer.
✗
Install the Microsoft Sentinel solution for each tenant separately.
Why it's wrong here
Installation is per workspace, but investigation across tenants requires Azure Lighthouse.
✓
Onboard the tenants to Azure Lighthouse and delegate the Sentinel workspace.
Why this is correct
Azure Lighthouse allows managing multiple tenants from a single interface.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create a workspace query using the union operator to combine data from all tenants.
Why it's wrong here
Union operator cannot span workspaces; workspace() function is needed.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse cross-workspace queries (which combine log data) with cross-tenant incident management, assuming the union operator can unify incidents when it only merges raw log tables, not the incident entities themselves.
Detailed technical explanation
How to think about this question
Cross-tenant incident investigation relies on Azure Lighthouse to delegate resource management across tenants, allowing Microsoft Defender XDR to aggregate incidents from multiple tenants' workspaces into a single queue. Under the hood, this uses Azure Resource Manager delegated access with role-based access control (RBAC) to pull incidents via the unified API, avoiding the need for complex cross-workspace queries. In a real-world scenario, a managed security service provider (MSSP) uses this to monitor hundreds of customer tenants from one portal.
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 SC-200 question in full detail.
Manage a security operations environment — This question tests Manage a security operations environment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use the Microsoft Defender XDR unified incident queue to view incidents across tenants. — Option A is correct because the Microsoft Defender XDR unified incident queue can display incidents from multiple tenants when properly configured, enabling cross-tenant investigation without additional licensing. This feature leverages Azure Lighthouse delegated access to aggregate alerts and incidents across tenants into a single view, streamlining SOC workflows.
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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