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. 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.
A company has an on-premises Active Directory domain and uses Microsoft Entra ID (Azure AD) for cloud applications. They purchase new Windows 10 laptops that are not yet joined to any domain. The IT admin wants users to be able to sign in with their existing on-premises credentials and automatically have the laptops joined to both the on-premises AD domain and Microsoft Entra ID. Which device identity option should the admin configure?
Why wrong: Microsoft Entra registered devices are personal or mobile devices with a work account added, but they are not joined to either on-premises AD or Azure AD.
B
Microsoft Entra joined
Why wrong: Microsoft Entra joined devices are joined directly to Microsoft Entra ID, not to an on-premises domain.
C
Microsoft Entra hybrid joined
Correct. Hybrid join allows devices to be joined to both on-premises AD and Microsoft Entra ID.
D
On-premises domain join only
Why wrong: On-premises domain join alone does not register the device in Microsoft Entra ID, limiting cloud features.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft Entra hybrid joined
Option C is correct because Microsoft Entra hybrid join allows devices to be joined to both an on-premises Active Directory domain and Microsoft Entra ID simultaneously. This enables users to sign in with their existing on-premises credentials and automatically have the laptops registered in both directories, meeting the requirement for a seamless single sign-on experience.
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 registered
Why it's wrong here
Microsoft Entra registered devices are personal or mobile devices with a work account added, but they are not joined to either on-premises AD or Azure AD.
✗
Microsoft Entra joined
Why it's wrong here
Microsoft Entra joined devices are joined directly to Microsoft Entra ID, not to an on-premises domain.
✓
Microsoft Entra hybrid joined
Why this is correct
Correct. Hybrid join allows devices to be joined to both on-premises AD and Microsoft Entra ID.
Related concept
Read the scenario before looking for a memorised answer.
✗
On-premises domain join only
Why it's wrong here
On-premises domain join alone does not register the device in Microsoft Entra ID, limiting cloud features.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'Microsoft Entra joined' (cloud-only) with 'Microsoft Entra hybrid joined' (dual-joined), failing to recognize that the requirement for on-premises credentials and automatic dual join necessitates the hybrid option.
Detailed technical explanation
How to think about this question
Microsoft Entra hybrid join uses a synchronization mechanism via Microsoft Entra Connect to register the device's computer object in both on-premises AD and Entra ID. The process typically involves configuring a service connection point (SCP) in AD and using Group Policy or Windows Autopilot to trigger the join, which then creates a device object in Entra ID with a join type of 'Hybrid Azure AD joined'. This approach supports seamless single sign-on (SSO) for both on-premises and cloud resources, leveraging Kerberos and modern authentication protocols.
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 SC-900 question in full detail.
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 hybrid joined — Option C is correct because Microsoft Entra hybrid join allows devices to be joined to both an on-premises Active Directory domain and Microsoft Entra ID simultaneously. This enables users to sign in with their existing on-premises credentials and automatically have the laptops registered in both directories, meeting the requirement for a seamless single sign-on experience.
What should I do if I get this SC-900 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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Question Discussion
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