Quick Answer
The answer is the App connector for SharePoint Online. This is correct because anomaly detection policies in Microsoft Defender for Cloud Apps rely on app connectors to ingest activity logs directly from a SaaS application; for SharePoint Online, the dedicated app connector captures granular file download events, enabling the system to establish a baseline and trigger alerts when a user downloads an unusually large number of files. On the MS-102 exam, this question tests your understanding of data source requirements for cloud app security policies—a common trap is confusing the Microsoft 365 Defender portal (the management interface) or Microsoft Entra ID (which only provides sign-in logs) with the actual data source. Remember that native SaaS apps like SharePoint require an app connector, while custom apps use an API connector. Memory tip: think “App connector for app activity”—if you need file-level events, you must connect the app itself, not just identity or portal layers.
This MS-102 practice question tests your understanding of manage security and threats by using microsoft defender xdr. 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 is implementing Microsoft Defender for Cloud Apps. You need to configure anomaly detection policies to alert when a user downloads an unusually large number of files from SharePoint Online. Which data source should you connect to enable this detection?
API connector for custom apps
Why wrong: This is for custom applications, not SharePoint.
App connector for SharePoint Online
This provides activity logs from SharePoint for anomaly detection.
Microsoft 365 Defender portal
Why wrong: This is the management interface, not a data source.
Microsoft Entra ID logs
Why wrong: These provide sign-in logs, not file download activity.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
App connector for SharePoint Online
Option B is correct because anomaly detection policies in Defender for Cloud Apps require app connector for SharePoint to analyze user activity logs. Option A is wrong because Microsoft 365 Defender portal is the management interface, not a data source. Option C is wrong because Microsoft Entra ID provides sign-in logs but not file download activity. Option D is wrong because the API connector is used for custom applications, not native SaaS apps like SharePoint.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
API connector for custom apps
Why it's wrong here
This is for custom applications, not SharePoint.
App connector for SharePoint Online
Why this is correct
This provides activity logs from SharePoint for anomaly detection.
Related concept
Static NAT maps one inside address to one outside address.
Microsoft 365 Defender portal
Why it's wrong here
This is the management interface, not a data source.
Microsoft Entra ID logs
Why it's wrong here
These provide sign-in logs, not file download activity.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
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. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related MS-102 NAT questions on configuration and troubleshooting.
Manage security and threats by using Microsoft Defender XDR — study guide chapter
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Related practice questions
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FAQ
Manage security and threats by using Microsoft Defender XDR — This question tests Manage security and threats by using Microsoft Defender XDR — Static NAT maps one inside address to one outside address..
The correct answer is: App connector for SharePoint Online — Option B is correct because anomaly detection policies in Defender for Cloud Apps require app connector for SharePoint to analyze user activity logs. Option A is wrong because Microsoft 365 Defender portal is the management interface, not a data source. Option C is wrong because Microsoft Entra ID provides sign-in logs but not file download activity. Option D is wrong because the API connector is used for custom applications, not native SaaS apps like SharePoint.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related MS-102 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 21, 2026
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