- A
Configure the storage account firewall to allow only the Synapse workspace's public IP address.
Why wrong: Synapse workspace does not have a fixed public IP.
- B
Enable 'Allow trusted Microsoft services to access this storage account' on the firewall.
Why wrong: This allows many services, not just Synapse.
- C
Use Azure RBAC to assign the Storage Blob Data Contributor role to the Synapse workspace managed identity.
Why wrong: RBAC controls data plane access but does not restrict network access.
- D
Configure a private endpoint for the storage account in the same virtual network as the Synapse workspace, and disable public network access.
Private endpoint ensures private connectivity; disabling public access restricts others.
Question 212 of 851
Secure, monitor, and optimize data storage and data processing →mediumMultiple ChoiceObjective-mapped
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.
You are configuring security for an Azure Synapse Analytics workspace that uses a serverless SQL pool. The workspace is connected to Azure Data Lake Storage Gen2 via a managed identity. You need to ensure that only the Synapse workspace can access the storage account, and no other Azure service or user can access it directly. The storage account should not be accessible from the public internet. What should you do?
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
✓
Configure a private endpoint for the storage account in the same virtual network as the Synapse workspace, and disable public network access.
The correct answer is D: Configure a private endpoint for the storage account in the same virtual network as the Synapse workspace, and disable public network access. This ensures that only the Synapse workspace, which is connected via the private endpoint, can access the storage account. The managed identity is used for authentication, but the private endpoint restricts network access. Option A is incorrect because public IP addresses can change and do not provide secure, private connectivity. Option B is incorrect because allowing trusted Microsoft services would permit other Azure services to access the storage account, not just the Synapse workspace. Option C is incorrect because RBAC alone does not restrict network access; the storage account would still be publicly accessible.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Configure the storage account firewall to allow only the Synapse workspace's public IP address.
Why it's wrong here
Synapse workspace does not have a fixed public IP.
- ✗
Enable 'Allow trusted Microsoft services to access this storage account' on the firewall.
Why it's wrong here
This allows many services, not just Synapse.
- ✗
Use Azure RBAC to assign the Storage Blob Data Contributor role to the Synapse workspace managed identity.
Why it's wrong here
RBAC controls data plane access but does not restrict network access.
- ✓
Configure a private endpoint for the storage account in the same virtual network as the Synapse workspace, and disable public network access.
Why this is correct
Private endpoint ensures private connectivity; disabling public access restricts others.
Related concept
Standard ACLs match source addresses.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
- Standard ACLs match source addresses.
- Extended ACLs can match source, destination, protocol and ports.
- The first matching ACL entry is used.
- There is usually an implicit deny at the end.
TExam Day Tips
- Check inbound versus outbound direction.
- Read the ACL from top to bottom.
- Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
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.
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
What to study next
Got this wrong? Here's your next step.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related DP-203 ACL questions on filtering logic and placement.
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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 — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Configure a private endpoint for the storage account in the same virtual network as the Synapse workspace, and disable public network access. — The correct answer is D: Configure a private endpoint for the storage account in the same virtual network as the Synapse workspace, and disable public network access. This ensures that only the Synapse workspace, which is connected via the private endpoint, can access the storage account. The managed identity is used for authentication, but the private endpoint restricts network access. Option A is incorrect because public IP addresses can change and do not provide secure, private connectivity. Option B is incorrect because allowing trusted Microsoft services would permit other Azure services to access the storage account, not just the Synapse workspace. Option C is incorrect because RBAC alone does not restrict network access; the storage account would still be publicly accessible.
What should I do if I get this DP-203 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related DP-203 ACL questions on filtering logic and placement.
What is the key concept behind this question?
Standard ACLs match source addresses.
About these practice questions
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Last reviewed: Jun 21, 2026
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