Community Q&A
SC-200 — frequently asked questions
Community-vetted answers to 38 common questions about this exam, each traced back to a specific practice question.
Questions from real practice questions
Each Q&A comes from a specific question — follow the link for the full analysisCreating Custom Tracked Queries in Microsoft Defender
What is the difference between Advanced Hunting and Threat Analytics?
Advanced Hunting is for manual, ad-hoc investigation using KQL. Threat Analytics is for saving and automating those queries as 'trackers' to continuously monitor for threats.
Can I run a custom query without creating a tracker?
Yes, you can run any KQL query in Advanced Hunting. However, only by saving it as a tracker in Threat Analytics does it become a persistent assessment tool for the subscription's status.
How Should You Test LA1 for Security Center Risk Remediation?
Why should LA1 be tested from Recommendations instead of Security alerts?
Because the stem says LA1 remediates security risks, and Defender for Cloud maps risks to recommendations; manually triggering from a recommendation validates that path.
Does 'When an Azure Security Center Recommendation is created or triggered' also cover manual testing?
Yes. With that workflow trigger configured, you can open a recommendation and select Trigger logic app to run LA1 manually for testing.
How Do You Email Defender for Cloud Digital Currency Mining Alerts?
Does the Defender for Cloud workflow automation itself send the email?
No. The Logic App holds the send-email action; the workflow automation only decides when to invoke it, based on the alert name and severity conditions you configure.
Can I create a sample alert instead of running the Logic App trigger to test?
Only if the sample alert's name matches your workflow condition. Sample alerts use generic names, so a digital currency mining filter typically will not fire.
How Do You Add a Defender for Cloud Apps Alert to a Sentinel Incident?
Why is the Timeline tab on the Sentinel incidents page not the right option?
The supported preview workflow is not a standalone incident Timeline tab; it starts from the investigation graph, where you select an entity and open the Timeline card in the entity side panel.
Can I add the Defender for Cloud Apps alert from the Microsoft 365 Defender Alerts page?
The Defender portal can show the alert, but the requirement is to update the Microsoft Sentinel incident; that is done from the Sentinel entity timeline, not the Defender Alerts page.
How Do You Run a KQL Query as a Sentinel Search Job?
Does a Microsoft Sentinel search job require a new destination table name?
Yes. The search job writes results to a table, so in the Run a search job pane you specify the new table name before starting the job.
What is the difference between enabling Search job mode and selecting Run a search job?
Enabling Search job mode configures the query for long-running search-job behavior, while selecting Run a search job submits the configured job after the table name is entered.
How to Identify MITRE ATT&CK Phases in Microsoft Sentinel?
Why is the Hunting node not the right choice for MITRE ATT&CK phases?
The Hunting node is for running advanced hunting queries and bookmarks; it does not present the dedicated MITRE ATT&CK coverage matrix that Threat management provides.
Does the Incidents node show attacker tactics and techniques?
Incidents group alerts for triage, but the dedicated MITRE ATT&CK node is the view that maps detections to tactics and techniques with minimal effort.
How do you join two Sentinel auxiliary tables for six months of data?
Why can't I JOIN Table1 and Table2 directly in Workspace1?
Auxiliary tables in Microsoft Sentinel only support single-table queries, so JOIN and similar cross-table operators fail until search jobs stage the data into Analytics tables.
Should I delete the _SRCH tables after joining Table1 and Table2?
Yes. The _SRCH tables are temporary search-job outputs; deleting them after the JOIN minimizes storage and retention costs, which the question requires.
How do you check if AzureActivity exists in each Sentinel workspace?
How do I return a row when AzureActivity does not exist in one of my Sentinel workspaces?
Use union isfuzzy=true together with a datatable(isMissing:int)[1] seed row so the query never fails and always emits exactly one row with isMissing set to 0 or 1.
Why does a plain union break a multi-workspace Sentinel workbook query?
A plain union resolves every table reference up front, so if AzureActivity is absent in one workspace the whole query errors instead of reporting isMissing = 1.
Which least-privilege role enables the Microsoft Sentinel plugin in Copilot for Security?
Why doesn't Security Copilot Contributor alone allow the Sentinel plugin to work?
Copilot Contributor authorizes Copilot use, but Sentinel data access is controlled by Sentinel workspace RBAC, so User1 still needs a Sentinel role.
Why is Microsoft Sentinel Contributor not the least-privilege choice?
It grants write and management actions, while the plugin scenario only needs read/query access; Microsoft Sentinel Reader is narrower.
What retention period should you set for the AzureActivity table?
Why not set AzureActivity retention to 30 days to save costs?
30 days is the default but does not maximize interactive queries; Azure Activity data is free to retain for 90 days, so 90 days gives more query time at no extra retention cost.
What happens to AzureActivity data after 90 days?
It is deleted unless you extend retention or use long-term retention, which adds cost and is not needed to meet the minimize-cost requirement.
Which Devices Support Custom IoCs in Defender for Endpoint?
Why can't Device4 use custom IoCs in Defender for Endpoint?
Device4 does not satisfy the platform or onboarding requirements for Defender for Endpoint custom indicators, so custom IoCs are not applied to it.
Do custom IoCs require onboarding in Defender for Endpoint?
Yes. Custom indicators are enforced on devices that are onboarded to Defender for Endpoint and running a supported operating system.
How should a scheduled KQL job write to an existing Sentinel data lake table?
Why doesn't assigning Microsoft Sentinel Reader to Job1's managed identity solve this?
It grants read access to Workspace1 data, but the question's issue is writing Job1 output into existing Table1, which requires matching Table1's schema.
Does appending _KQL_CL_ to Table1 fix the scheduled KQL job?
No, the table already exists and the suffix is not a mechanism for aligning Job1's output columns and types.
Which KQL Table and Status Code Show Unauthorized Requests?
Why is AzureActivity not the table for this SC-200 KQL hotspot?
AzureActivity records Azure control-plane operations and lacks ResponseStatusCode; MicrosoftGraphActivityLogs stores Graph API HTTP status codes, so it is the correct table.
Does insufficient authorization mean 401 or 403 in MicrosoftGraphActivityLogs?
This hotspot targets 401 Unauthorized, which Graph activity logs capture for requests rejected as unauthorized; 403 Forbidden represents a separate permissions condition.
Where to Create a Conditional Access App Control Custom Policy and Enable It
Can I create the Custom1 Conditional Access App Control policy directly in the Entra admin center?
No. Entra Conditional Access only hosts the Session control and a 'Configure custom policy' link; the session policy itself must be authored in the Microsoft Defender portal under Cloud apps > Policies.
Which Policy1 setting references the Custom1 session policy?
The Session access controls. Enable 'Use Conditional Access App Control' there and pick Custom1 as the custom policy to apply to the session.
Escalating Alerts in Azure Sentinel via Incident Assignment
Why is sharing the URL not the best answer?
Sharing a URL is a passive action that doesn't notify the other administrator or update the incident's ownership status, which can lead to tracking issues.
Can I assign multiple incidents at once?
Yes, you can select multiple incidents in the incident list view and use the 'Assign' action to delegate them to one or more administrators simultaneously.
How do you enable Sentinel UEBA and collect on-premises AD DS events?
Why can't Windows Event Forwarding and the Windows Forwarded Events connector enable UEBA for AD DS?
WEF only ships security event logs; it does not sync Active Directory users, groups or other directory entities. UEBA needs identity entities, which come from the Defender for Identity connector.
Must the Defender for Identity sensor be installed before configuring the connector in Sentinel1?
Yes. The connector authenticates to your Defender for Identity instance and pulls its data, so the sensor must already be running on a domain controller and reporting identity data.
Configuring Automated Investigation Packages in Microsoft Defender for Endpoint
What is an Investigation Package in Microsoft Defender for Endpoint?
An Investigation Package is a compressed ZIP file containing forensic data collected by MDE during an automated investigation. It includes details like running processes, network connections, and registry changes to help analysts understand the threat context.
Can Microsoft Sentinel Automation Rules collect investigation packages directly?
No. Sentinel Automation Rules manage incident states and notifications. To collect an investigation package via Sentinel, you would need to create a custom playbook (Logic App) that calls the MDE API, which adds significant administrative complexity.
Collecting Forensic Data in Microsoft Defender XDR
What does an Investigation Package include?
It collects running processes, active network connections, installed programs, scheduled tasks, services, and relevant event logs from the endpoint.
When should I use Live Response instead?
Use Live Response when you need to perform specific, ad-hoc commands or interact with the system in real-time to investigate complex, non-standard scenarios.
Suppressing False Positive Alerts in Microsoft Defender for Endpoint
Why is resolving the alert not the correct answer?
Resolving an alert keeps it visible in the Alerts queue with a 'Resolved' status. The question requires hiding the alert, which removes it from the queue entirely.
Can suppression rules be scoped to device groups?
Yes, modern Microsoft Defender for Endpoint allows suppression rules to be scoped to specific device groups, making it ideal for targeting specific teams like accounting.
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