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. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Which TWO actions should you take to secure sensitive data in Azure Data Lake Storage Gen2? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use access control lists (ACLs) to restrict access to specific directories
Options A and C are correct. Option A: Enabling encryption at rest using customer-managed keys ensures data is encrypted. Option C: Using ACLs provides granular access control. Option B is wrong because disabling soft delete reduces security. Option D is wrong because public network access should be disabled for security. Option E is wrong because anonymous access is a security risk.
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.
✗
Enable public network access from all networks for ease of use
Why it's wrong here
Increases attack surface
✓
Use access control lists (ACLs) to restrict access to specific directories
Why this is correct
Granular permissions
Related concept
Standard ACLs match source addresses.
✗
Allow anonymous access to enable sharing
Why it's wrong here
Anonymous access is not secure
✗
Disable soft delete to prevent accidental retention of deleted data
Why it's wrong here
Soft delete enhances security by allowing recovery
✓
Enable encryption at rest using customer-managed keys in Azure Key Vault
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-203 question in full detail.
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.
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: Use access control lists (ACLs) to restrict access to specific directories — Options A and C are correct. Option A: Enabling encryption at rest using customer-managed keys ensures data is encrypted. Option C: Using ACLs provides granular access control. Option B is wrong because disabling soft delete reduces security. Option D is wrong because public network access should be disabled for security. Option E is wrong because anonymous access is a security risk.
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.
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Question Discussion
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