MS-900 Practice Question: Describe security, compliance, privacy, and trust in Microsoft 365
This MS-900 practice question tests your understanding of describe security, compliance, privacy, and trust in microsoft 365. 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 Entra ID (formerly Azure AD) for identity management. Users report that they are prompted for multifactor authentication (MFA) every time they sign in, even from trusted devices. What should you configure to reduce MFA prompts while maintaining security?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Modify the Conditional Access policy to set session control 'Sign-in frequency' to a longer period.
Option C is correct because Conditional Access policies allow setting session persistence to remember MFA on trusted devices. Option A is incorrect because MFA frequency is not set in Password reset. Option B is incorrect because Named locations are for IP-based trust, not device trust. Option D is incorrect because Privileged Identity Management (PIM) is for just-in-time admin access.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Define trusted IP ranges in Named locations.
Why it's wrong here
Named locations trust IPs, not devices; users from trusted IPs still get MFA if policy requires it.
✗
Configure self-service password reset (SSPR) to require MFA less often.
Why it's wrong here
SSPR does not control MFA prompt frequency for regular sign-in.
✗
Use Microsoft Entra Privileged Identity Management (PIM) to grant MFA exemption.
Modify the Conditional Access policy to set session control 'Sign-in frequency' to a longer period.
Why this is correct
This allows users to skip MFA for a set duration on trusted devices.
Related concept
Authentication checks who the user is.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
Authentication checks who the user is.
Authorization controls what the user is allowed to do after login.
Privilege levels affect access to EXEC and configuration commands.
AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
→Do not assume successful login means full administrative access.
→Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
→Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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-900 question in full detail.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related MS-900 questions on access control and AAA configuration.
Describe security, compliance, privacy, and trust in Microsoft 365 — This question tests Describe security, compliance, privacy, and trust in Microsoft 365 — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: Modify the Conditional Access policy to set session control 'Sign-in frequency' to a longer period. — Option C is correct because Conditional Access policies allow setting session persistence to remember MFA on trusted devices. Option A is incorrect because MFA frequency is not set in Password reset. Option B is incorrect because Named locations are for IP-based trust, not device trust. Option D is incorrect because Privileged Identity Management (PIM) is for just-in-time admin access.
What should I do if I get this MS-900 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related MS-900 questions on access control and AAA configuration.
What is the key concept behind this question?
Authentication checks who the user is.
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Question Discussion
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