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. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 is planning to migrate from on-premises Active Directory to Microsoft Entra ID. They have a custom line-of-business application that uses Windows Integrated Authentication and requires Kerberos. Which approach should they use to enable hybrid identity?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Deploy Microsoft Entra Kerberos authentication and register the app
Option A is correct because Microsoft Entra Kerberos authentication enables hybrid identity for legacy on-premises applications that require Kerberos and Windows Integrated Authentication. By deploying this feature, the app can authenticate users against Microsoft Entra ID while still receiving Kerberos tickets, allowing a seamless migration without modifying the application's authentication code.
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.
✓
Deploy Microsoft Entra Kerberos authentication and register the app
Why this is correct
Entra Kerberos authentication enables Kerberos for hybrid apps.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use password hash synchronization (PHS) and configure the app for OAuth
Why it's wrong here
PHS does not support Kerberos authentication for on-prem apps.
✗
Use pass-through authentication (PTA) and configure the app for SAML
Why it's wrong here
PTA does not support Kerberos.
✗
Federate with Active Directory Federation Services (ADFS)
Why it's wrong here
ADFS can provide Kerberos but adds complexity; Entra Kerberos is more direct.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume that any hybrid identity scenario requires federation (ADFS) or that modern protocols like OAuth/SAML can always replace Kerberos, but Microsoft Entra Kerberos authentication is specifically designed to support legacy Kerberos-dependent apps without federation.
Detailed technical explanation
How to think about this question
Microsoft Entra Kerberos authentication works by creating a Kerberos server object in the on-premises Active Directory, which allows Microsoft Entra ID to issue Kerberos tickets for cloud-joined or hybrid-joined devices. This enables legacy applications using Windows Integrated Authentication to authenticate users without requiring the app to be rewritten or to use modern protocols like OAuth or SAML. In real-world scenarios, this is critical for line-of-business apps that rely on Kerberos delegation or constrained delegation, where simply switching to OAuth would break the authentication flow.
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: Deploy Microsoft Entra Kerberos authentication and register the app — Option A is correct because Microsoft Entra Kerberos authentication enables hybrid identity for legacy on-premises applications that require Kerberos and Windows Integrated Authentication. By deploying this feature, the app can authenticate users against Microsoft Entra ID while still receiving Kerberos tickets, allowing a seamless migration without modifying the application's authentication code.
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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