SC-900 Describe the capabilities of Microsoft Entra Practice Question
This SC-900 practice question tests your understanding of describe the capabilities of microsoft entra. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
A company wants to allow employees to access corporate resources such as email and internal apps using their personal smartphones. The IT team does not want to fully manage or domain-join these devices but needs each device to have a simple identity that links the user's work account to the device. Which Microsoft Entra ID device identity option should they implement?
Microsoft Entra ID Registered is the appropriate option for personal devices that need a simple identity to access corporate resources without being fully managed.
B
Microsoft Entra ID Joined
Why wrong: Microsoft Entra ID Joined is for corporate-owned devices that are fully managed and typically enrolled in MDM, not for personal devices.
C
Hybrid Microsoft Entra ID Joined
Why wrong: Hybrid Joined requires an on-premises Active Directory and is used for devices that need to be joined to both on-prem AD and Azure AD, not for personal devices.
D
Active Directory Joined
Why wrong: Active Directory Joined refers to traditional on-premises domain join, which does not provide a cloud identity in Azure AD for personal devices.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft Entra ID Registered
Microsoft Entra ID supports three device identity options: Registered, Joined, and Hybrid Joined. Microsoft Entra ID Registered is designed for 'bring your own device' (BYOD) scenarios. A registered device is known to Azure AD but not fully managed; it simply links the user's work account to the device, often enabling single sign-on and conditional access. Microsoft Entra ID Joined is for corporate-owned devices that are managed by MDM. Hybrid Joined requires an on-premises Active Directory. Active Directory Joined is a traditional on-premises domain join, not a cloud identity option.
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.
✓
Microsoft Entra ID Registered
Why this is correct
Microsoft Entra ID Registered is the appropriate option for personal devices that need a simple identity to access corporate resources without being fully managed.
Related concept
Read the scenario before looking for a memorised answer.
✗
Microsoft Entra ID Joined
Why it's wrong here
Microsoft Entra ID Joined is for corporate-owned devices that are fully managed and typically enrolled in MDM, not for personal devices.
✗
Hybrid Microsoft Entra ID Joined
Why it's wrong here
Hybrid Joined requires an on-premises Active Directory and is used for devices that need to be joined to both on-prem AD and Azure AD, not for personal devices.
✗
Active Directory Joined
Why it's wrong here
Active Directory Joined refers to traditional on-premises domain join, which does not provide a cloud identity in Azure AD for personal devices.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 SC-900 question in full detail.
Identify which SC-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Describe the capabilities of Microsoft Entra — This question tests Describe the capabilities of Microsoft Entra — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft Entra ID Registered — Microsoft Entra ID supports three device identity options: Registered, Joined, and Hybrid Joined. Microsoft Entra ID Registered is designed for 'bring your own device' (BYOD) scenarios. A registered device is known to Azure AD but not fully managed; it simply links the user's work account to the device, often enabling single sign-on and conditional access. Microsoft Entra ID Joined is for corporate-owned devices that are managed by MDM. Hybrid Joined requires an on-premises Active Directory. Active Directory Joined is a traditional on-premises domain join, not a cloud identity option.
What should I do if I get this SC-900 question wrong?
Identify which SC-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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