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 has an on-premises web-based expense report application. The IT team wants to make this application accessible to remote employees over the internet without requiring a VPN. They need to use Microsoft Entra ID for authentication and apply Conditional Access policies such as requiring multi-factor authentication. Which Microsoft Entra ID feature should they implement?
Application Proxy publishes on-premises apps through the cloud, allowing remote users to access them securely with Entra ID authentication and Conditional Access.
B
Self-service password reset (SSPR)
Why wrong: SSPR enables users to reset their own passwords, which is unrelated to publishing on-premises applications.
C
Azure AD B2B collaboration
Why wrong: Azure AD B2B collaboration provides guest user access for external partners, not for publishing internal apps.
D
Azure AD Domain Services
Why wrong: Azure AD Domain Services provides managed domain services like LDAP, Kerberos, and NTLM for cloud workloads, not for publishing web apps.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure AD Application Proxy
Azure AD Application Proxy allows on-premises web applications to be published for remote access without a VPN. It integrates with Microsoft Entra ID for authentication and supports Conditional Access policies, including multi-factor authentication, by acting as a reverse proxy that forwards authenticated requests to the internal application.
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.
✓
Azure AD Application Proxy
Why this is correct
Application Proxy publishes on-premises apps through the cloud, allowing remote users to access them securely with Entra ID authentication and Conditional Access.
Related concept
Read the scenario before looking for a memorised answer.
✗
Self-service password reset (SSPR)
Why it's wrong here
SSPR enables users to reset their own passwords, which is unrelated to publishing on-premises applications.
✗
Azure AD B2B collaboration
Why it's wrong here
Azure AD B2B collaboration provides guest user access for external partners, not for publishing internal apps.
✗
Azure AD Domain Services
Why it's wrong here
Azure AD Domain Services provides managed domain services like LDAP, Kerberos, and NTLM for cloud workloads, not for publishing web apps.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse Azure AD Application Proxy with a VPN solution or think that Azure AD Domain Services is needed for authentication, but the key is that Application Proxy specifically publishes on-premises web apps with Entra ID authentication and Conditional Access support without requiring a VPN.
Detailed technical explanation
How to think about this question
Azure AD Application Proxy uses a connector service installed on-premises that establishes outbound connections to the Microsoft Entra ID cloud service, eliminating the need to open inbound firewall ports. It supports pre-authentication via Entra ID, allowing Conditional Access policies to be evaluated before the request reaches the on-premises application. The proxy can also handle single sign-on (SSO) using Kerberos constrained delegation (KCD) for Windows-integrated authentication.
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: Azure AD Application Proxy — Azure AD Application Proxy allows on-premises web applications to be published for remote access without a VPN. It integrates with Microsoft Entra ID for authentication and supports Conditional Access policies, including multi-factor authentication, by acting as a reverse proxy that forwards authenticated requests to the internal application.
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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