- A
Assign the Storage Blob Data Contributor role to the users on the Azure Data Lake Storage Gen2 account.
Correct: The serverless SQL pool uses the caller's Microsoft Entra ID identity to access storage. Assigning RBAC role (e.g., Storage Blob Data Contributor) grants the necessary permissions.
- B
Generate a shared access signature (SAS) token for the storage account and include it in the external table definition.
Why wrong: Incorrect: SAS tokens are not tied to user identity and would grant broad access to anyone who knows the token.
- C
Configure an IP firewall rule on the storage account to allow only the SQL pool's outbound IP addresses.
Why wrong: Incorrect: Firewall rules control network access, not user-level permissions.
- D
Create a managed identity for the SQL pool and grant it access to the storage account.
Why wrong: Incorrect: Managed identity is used for service-to-service authentication, not for individual user authorization in serverless SQL.
DP-203 Practice Question: Secure, monitor, and optimize data storage and data processing
This DP-203 practice question tests your understanding of secure, monitor, and optimize data storage and data processing. 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 Azure Synapse Analytics serverless SQL pools to query data in Azure Data Lake Storage Gen2. You need to ensure that only users with specific Microsoft Entra ID roles can query the data. What should you configure?
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
Assign the Storage Blob Data Contributor role to the users on the Azure Data Lake Storage Gen2 account.
Option A is correct because Azure Synapse Analytics serverless SQL pools rely on Microsoft Entra ID (formerly Azure AD) tokens and RBAC roles to authorize access to data in Azure Data Lake Storage Gen2. The Storage Blob Data Contributor role grants read and write access to data. Option B is wrong because SAS tokens are shared secrets, not tied to user identity. Option C is wrong because managed identity is not suitable for per-user authorization. Option D is wrong because firewall rules control network access, not user-level authorization.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Assign the Storage Blob Data Contributor role to the users on the Azure Data Lake Storage Gen2 account.
Why this is correct
Correct: The serverless SQL pool uses the caller's Microsoft Entra ID identity to access storage. Assigning RBAC role (e.g., Storage Blob Data Contributor) grants the necessary permissions.
Related concept
Authentication checks who the user is.
- ✗
Generate a shared access signature (SAS) token for the storage account and include it in the external table definition.
Why it's wrong here
Incorrect: SAS tokens are not tied to user identity and would grant broad access to anyone who knows the token.
- ✗
Configure an IP firewall rule on the storage account to allow only the SQL pool's outbound IP addresses.
Why it's wrong here
Incorrect: Firewall rules control network access, not user-level permissions.
- ✗
Create a managed identity for the SQL pool and grant it access to the storage account.
Why it's wrong here
Incorrect: Managed identity is used for service-to-service authentication, not for individual user authorization in serverless SQL.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related DP-203 questions on access control and AAA configuration.
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FAQ
Questions learners often ask
What does this DP-203 question test?
Secure, monitor, and optimize data storage and data processing — This question tests Secure, monitor, and optimize data storage and data processing — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: Assign the Storage Blob Data Contributor role to the users on the Azure Data Lake Storage Gen2 account. — Option A is correct because Azure Synapse Analytics serverless SQL pools rely on Microsoft Entra ID (formerly Azure AD) tokens and RBAC roles to authorize access to data in Azure Data Lake Storage Gen2. The Storage Blob Data Contributor role grants read and write access to data. Option B is wrong because SAS tokens are shared secrets, not tied to user identity. Option C is wrong because managed identity is not suitable for per-user authorization. Option D is wrong because firewall rules control network access, not user-level authorization.
What should I do if I get this DP-203 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related DP-203 questions on access control and AAA configuration.
What is the key concept behind this question?
Authentication checks who the user is.
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Last reviewed: Jun 21, 2026
This DP-203 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-203 exam.
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