The correct answer is to create a Conditional Access policy requiring MFA and enable Microsoft Entra ID Identity Protection to enforce MFA registration. This combination works because the Conditional Access policy blocks access unless MFA is completed, while Identity Protection’s MFA registration policy specifically triggers the registration prompt on first sign-in, ensuring users set up their authentication methods before accessing any resource. On the MS-102 exam, this scenario tests your understanding of how Conditional Access and Identity Protection policies interact—a common trap is thinking a standalone Conditional Access policy alone will prompt registration, but it only enforces MFA at sign-in, not the initial setup. The key distinction is that Identity Protection’s policy is what actually forces the registration workflow. For a memory tip, remember: Conditional Access enforces the lock, Identity Protection hands out the key.
MS-102 Deploy and manage a Microsoft 365 tenant Practice Question
This MS-102 practice question tests your understanding of deploy and manage a microsoft 365 tenant. 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 has a Microsoft 365 E5 tenant. You need to ensure that users are prompted to register for multifactor authentication (MFA) the first time they sign in. Which Microsoft Entra ID policy should you configure?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a Conditional Access policy requiring MFA and enable Microsoft Entra ID Identity Protection to enforce MFA registration
Option B is correct because combining a Conditional Access policy that requires MFA with Identity Protection's MFA registration policy ensures users are prompted to register for MFA at first sign-in. The MFA registration policy in Identity Protection specifically enforces that users must register their authentication methods before accessing applications, which triggers the registration prompt on initial authentication.
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.
✗
Enable Security defaults
Why it's wrong here
Security defaults enforce MFA registration, but are less customizable.
✓
Create a Conditional Access policy requiring MFA and enable Microsoft Entra ID Identity Protection to enforce MFA registration
Why this is correct
This combined approach prompts users to register MFA at first sign-in.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable combined registration for SSPR and MFA
Why it's wrong here
Combined registration enables users to register, but does not prompt unless required by policy.
✗
Configure MFA service settings per-user
Why it's wrong here
Per-user MFA is legacy and does not prompt registration at first sign-in.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the MFA registration policy in Identity Protection with a standard Conditional Access policy that requires MFA, but the registration policy specifically triggers the registration prompt, not the MFA challenge itself.
Detailed technical explanation
How to think about this question
The MFA registration policy in Microsoft Entra ID Identity Protection uses a Conditional Access grant control called 'Require multifactor authentication registration' that intercepts the authentication flow before token issuance. This policy evaluates the user's registration state via the authentication methods API and redirects unregistered users to the combined registration portal (https://aka.ms/mfasetup) during sign-in, ensuring the prompt occurs before any application access. In real-world scenarios, this policy is critical for organizations that want to enforce MFA registration without immediately requiring MFA on every app, allowing a phased rollout.
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 MS-102 question in full detail.
Deploy and manage a Microsoft 365 tenant — This question tests Deploy and manage a Microsoft 365 tenant — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a Conditional Access policy requiring MFA and enable Microsoft Entra ID Identity Protection to enforce MFA registration — Option B is correct because combining a Conditional Access policy that requires MFA with Identity Protection's MFA registration policy ensures users are prompted to register for MFA at first sign-in. The MFA registration policy in Identity Protection specifically enforces that users must register their authentication methods before accessing applications, which triggers the registration prompt on initial authentication.
What should I do if I get this MS-102 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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