DP-300 Implement a secure environment Practice Question
Your organization requires that all Azure SQL Database administrators use multi-factor authentication (MFA) when connecting. Which authentication method must be used?
⚠ Common exam trap
Test-takers frequently assume certificate-based authentication (Option C) can enforce MFA, but certificates alone do not require a second factor; MFA must be explicitly enforced via a Conditional Access policy with Microsoft Entra ID authentication.
Answer choices
Why each option matters
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 authentication with Conditional Access policy
Microsoft Entra ID authentication combined with a Conditional Access policy is required to enforce multi-factor authentication (MFA) for Azure SQL Database administrators. Conditional Access policies can mandate MFA as a condition for authentication, which is not possible with SQL Server authentication, certificate-based authentication, or Windows authentication alone. This method integrates with Microsoft Entra ID (formerly Azure AD) to provide the necessary security controls.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
SQL Server authentication
Why it's wrong here
SQL Server authentication verifies only a database login and password stored in the server, providing a single factor with no second challenge. It is tempting because it is the simplest way to connect to Azure SQL Database and works for contained users — the right choice for legacy applications that cannot perform interactive MFA.
- ✓
Microsoft Entra ID authentication with Conditional Access policy
Why this is correct
Microsoft Entra ID authentication delegates sign-in to Entra ID, where Conditional Access enforces MFA at token issuance. This satisfies the stem's MFA mandate for administrators, since SQL logins cannot enforce MFA and Entra-only authentication blocks legacy password access.
- ✗
Certificate-based authentication
Why it's wrong here
Certificate-based authentication validates a client certificate during the TLS handshake; it proves possession of a private key but issues no second interactive factor, so it cannot satisfy an MFA mandate. It is tempting because certificates give strong, passwordless machine identity — the correct choice for service-to-service or automated connections where no human challenge is possible.
- ✗
Windows authentication
Why it's wrong here
Windows authentication relies on Kerberos or NTLM against Active Directory, neither of which enforces an interactive MFA challenge for Azure SQL Database. It is tempting because it centralises identity for on-premises SQL Server, where domain-joined clients authenticate seamlessly — the right fit for a hybrid, domain-integrated instance, not for cloud MFA.
Go deeper
Related to this question
Learn chapter
Managing Identity and Access for Azure SQL
Key term
Azure SQL Performance Tuning
Azure SQL Performance Tuning is the process of optimizing the speed and efficiency of queries and database operations in Microsoft Azure SQL Database or SQL Managed Instance to reduce latency and improve throughput.
Key term
Azure SQL Authentication
Azure SQL Authentication is the process of verifying a user's identity to access an Azure SQL database using either a username and password (SQL Authentication) or a Microsoft Entra ID (formerly Azure AD) identity.
About these practice questions
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DP-300 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DP-300 exam.