The answer is to enable Kerberos Constrained Delegation (KCD) for single sign-on. This configuration allows the Application Proxy connector to impersonate the user and obtain a Kerberos ticket from the on-premises domain controller, eliminating repeated authentication prompts by seamlessly validating the user’s identity against the backend application. On the MS-102 exam, this scenario tests your understanding of how to reduce authentication prompts for application proxy by bridging cloud and on-premises authentication without requiring the user to re-enter credentials. A common trap is confusing KCD with session lifetime settings or pre-authentication, but remember that KCD specifically delegates the user’s identity to the connector, while options like MFA would actually increase prompts. A useful memory tip is “KCD = Key to Credential Delegation,” meaning the connector acts as a trusted delegate on behalf of the user to stop the prompt loop.
MS-102 Practice Question: Implement and manage Microsoft Entra identity and access
This MS-102 practice question tests your understanding of implement and manage microsoft entra identity and access. 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 uses Microsoft Entra ID with Application Proxy to publish on-premises web apps. Users report that they are prompted for credentials multiple times when accessing an app. You need to reduce the number of authentication prompts. What should you configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable Kerberos Constrained Delegation (KCD) for single sign-on
Option B is correct because enabling Kerberos Constrained Delegation (KCD) with single sign-on allows the Application Proxy connector to authenticate users without additional prompts. Option A is wrong because pre-authentication with Entra ID already provides SSO if configured. Option C is wrong because MFA would increase prompts. Option D is wrong because session lifetime settings do not affect the number of prompts per session.
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.
Disabling pre-authentication would bypass Entra ID authentication, increasing risk.
✗
Increase the session lifetime in conditional access
Why it's wrong here
Session lifetime extends the session but doesn't reduce prompts for the initial access.
✓
Enable Kerberos Constrained Delegation (KCD) for single sign-on
Why this is correct
KCD provides seamless SSO to on-premises apps.
Related concept
Read the scenario before looking for a memorised answer.
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 MS-102 question in full detail.
Identify which MS-102 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.
Implement and manage Microsoft Entra identity and access — This question tests Implement and manage Microsoft Entra identity and access — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable Kerberos Constrained Delegation (KCD) for single sign-on — Option B is correct because enabling Kerberos Constrained Delegation (KCD) with single sign-on allows the Application Proxy connector to authenticate users without additional prompts. Option A is wrong because pre-authentication with Entra ID already provides SSO if configured. Option C is wrong because MFA would increase prompts. Option D is wrong because session lifetime settings do not affect the number of prompts per session.
What should I do if I get this MS-102 question wrong?
Identify which MS-102 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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Question Discussion
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