The answer is that no additional configuration is required, as Azure AD joined devices automatically provide single sign-on for Microsoft 365 apps on the corporate network. This works because when a user signs into a Windows 10 or 11 device that is Azure AD joined, the device obtains a Primary Refresh Token (PRT) during initial authentication. The PRT is then used seamlessly for browser and app sign-ins, eliminating the need for extra steps like enabling Seamless SSO or deploying certificates. On the MS-102 exam, this question tests your understanding of Azure AD join vs. hybrid join and the automatic SSO behavior tied to the PRT—a common trap is assuming you must configure Seamless SSO or federation. Remember the key distinction: Azure AD joined devices already have the PRT, so automatic SSO is built-in. Memory tip: “PRT means no extra work—just join and go.”
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 want to ensure that all users are automatically signed in to Microsoft 365 apps using single sign-on (SSO) when they are on the corporate network. You have Azure AD joined the devices. What additional configuration is required?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
No additional configuration is required; Azure AD joined devices provide SSO automatically.
Azure AD joined devices are already registered with Azure AD and use the Primary Refresh Token (PRT) to enable seamless SSO for Microsoft 365 apps without any additional configuration. When a user signs into a Windows 10/11 device that is Azure AD joined, the PRT is obtained during the initial authentication and is automatically used for browser and app sign-ins on the corporate network. Therefore, no extra steps like enabling Seamless SSO or deploying certificates are needed.
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 Azure AD Seamless Single Sign-On.
Why it's wrong here
Seamless SSO is for domain-joined devices not Azure AD joined.
✓
No additional configuration is required; Azure AD joined devices provide SSO automatically.
Why this is correct
The PRT on Azure AD joined devices provides automatic SSO.
Related concept
Read the scenario before looking for a memorised answer.
✗
Configure Azure AD Application Proxy for each app.
Why it's wrong here
Application Proxy is for on-premises apps, not SSO for cloud apps.
✗
Deploy a trusted certificate for the corporate network.
Why it's wrong here
Certificates are not required for SSO on Azure AD joined devices.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure AD Seamless SSO (which is for non-Azure AD joined devices) with the built-in SSO capability of Azure AD joined devices, leading them to incorrectly select Option A.
Detailed technical explanation
How to think about this question
The Primary Refresh Token (PRT) is a JSON Web Token (JWT) issued by Azure AD during device registration and user sign-in, containing claims about the device and user. It is stored in the Windows Hello for Business or the Windows Authentication Broker and is used to silently acquire access tokens for Microsoft 365 apps via the OAuth 2.0 protocol. In a real-world scenario, if a user accesses a SharePoint Online site from an Azure AD joined device, the browser automatically uses the PRT to obtain an access token without any password prompt, even if the user is not on the corporate network—though network location can influence additional conditional access policies.
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: No additional configuration is required; Azure AD joined devices provide SSO automatically. — Azure AD joined devices are already registered with Azure AD and use the Primary Refresh Token (PRT) to enable seamless SSO for Microsoft 365 apps without any additional configuration. When a user signs into a Windows 10/11 device that is Azure AD joined, the PRT is obtained during the initial authentication and is automatically used for browser and app sign-ins on the corporate network. Therefore, no extra steps like enabling Seamless SSO or deploying certificates are needed.
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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