The correct answer is to create a session policy in Microsoft Defender for Cloud Apps with the 'Suspend user' governance action, which integrates with Microsoft Entra ID to revoke all active sessions and force MFA re-authentication for compromised users. This works because Defender for Cloud Apps acts as a conditional access application control layer, intercepting user sessions and applying real-time governance actions that terminate existing tokens and trigger a fresh authentication challenge. On the MS-102 exam, this question tests your understanding of how to automate session termination and MFA re-authentication for compromised users without manual intervention, often trapping candidates who choose conditional access alone—which only blocks future access, not active sessions. A common memory tip is to remember that Defender for Cloud Apps is the only tool that can both revoke sessions and require re-authentication in one automated policy, while Entra ID conditional access policies lack the ability to kill existing tokens. Think of it as "Cloud Apps suspends, Entra re-authenticates."
MS-102 Practice Question: Manage security and threats by using Microsoft Defender XDR
This MS-102 practice question tests your understanding of manage security and threats by 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.
Your organization uses Microsoft Defender XDR and Microsoft 365 E5 licenses. You need to ensure that when a user is determined to be compromised (e.g., due to a leaked credential), all active sessions are terminated and the user is required to re-authenticate with multi-factor authentication (MFA). You want to automate this process as much as possible. What should you do?
In Microsoft Defender for Cloud Apps, create a session policy with the 'Suspend user' governance action and configure it to revoke sessions and require re-authentication.
Correct: Automatically terminates sessions and forces MFA re-authentication.
B
Disable the user account in Microsoft Entra ID.
Why wrong: Wrong: Disables account but does not require MFA re-authentication.
C
Create a conditional access policy that requires MFA for all users.
Why wrong: Wrong: Does not terminate existing sessions.
D
Manually reset the user's password and sign out of all sessions.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
In Microsoft Defender for Cloud Apps, create a session policy with the 'Suspend user' governance action and configure it to revoke sessions and require re-authentication.
Option D is correct because Microsoft Defender for Cloud Apps can use the 'Suspend user' governance action and integrate with Microsoft Entra ID to revoke sessions and require re-authentication with MFA. Option A is wrong because conditional access alone does not terminate existing sessions. Option B is wrong because manual reset does not terminate active sessions. Option C is wrong because disabling the account terminates sessions but does not require MFA re-authentication.
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
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
In Microsoft Defender for Cloud Apps, create a session policy with the 'Suspend user' governance action and configure it to revoke sessions and require re-authentication.
Why this is correct
Correct: Automatically terminates sessions and forces MFA re-authentication.
Related concept
Static NAT maps one inside address to one outside address.
✗
Disable the user account in Microsoft Entra ID.
Why it's wrong here
Wrong: Disables account but does not require MFA re-authentication.
✗
Create a conditional access policy that requires MFA for all users.
Why it's wrong here
Wrong: Does not terminate existing sessions.
✗
Manually reset the user's password and sign out of all sessions.
Why it's wrong here
Wrong: Manual, not automated.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
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
How to think about this question
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.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
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
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.
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 — This question tests Manage security and threats by using Microsoft Defender XDR — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: In Microsoft Defender for Cloud Apps, create a session policy with the 'Suspend user' governance action and configure it to revoke sessions and require re-authentication. — Option D is correct because Microsoft Defender for Cloud Apps can use the 'Suspend user' governance action and integrate with Microsoft Entra ID to revoke sessions and require re-authentication with MFA. Option A is wrong because conditional access alone does not terminate existing sessions. Option B is wrong because manual reset does not terminate active sessions. Option C is wrong because disabling the account terminates sessions but does not require MFA re-authentication.
What should I do if I get this MS-102 question wrong?
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.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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