- A
Configure Azure Databricks to use a user-assigned managed identity for authentication to Azure Data Lake Storage Gen2.
Managed identity eliminates the need for keys, and rotation is handled automatically by Azure, avoiding job disruption.
- B
Use Azure Policy to automatically rotate keys and update Databricks cluster configurations.
Why wrong: Azure Policy cannot automatically update Databricks configurations; key rotation would still cause disruption.
- C
Use Azure Key Vault to store the storage account keys and configure a lifecycle policy to rotate them every 90 days. Update Databricks secrets accordingly.
Why wrong: Key rotation would require updating secrets and could cause job failures if not carefully coordinated.
- D
Generate a SAS token with a 90-day expiry and update the Databricks secret before expiry.
Why wrong: SAS tokens still require manual rotation and could interrupt jobs if not updated in time.
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.
Your company uses Azure Databricks to process large datasets stored in Azure Data Lake Storage Gen2. You need to implement a solution that automatically rotates the storage account access keys every 90 days without interrupting running jobs. The solution should use managed identities where possible. 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 Azure Databricks to use a user-assigned managed identity for authentication to Azure Data Lake Storage Gen2.
Option A is correct because using a user-assigned managed identity for Databricks to access storage eliminates the need for access keys. Option B is wrong because key rotation would disrupt jobs that rely on keys. Option C is wrong because SAS tokens with expiry still require token management and rotation. Option D is wrong because storing keys in Key Vault does not prevent job interruption during rotation.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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 Azure Databricks to use a user-assigned managed identity for authentication to Azure Data Lake Storage Gen2.
Why this is correct
Managed identity eliminates the need for keys, and rotation is handled automatically by Azure, avoiding job disruption.
Related concept
Static NAT maps one inside address to one outside address.
- ✗
Use Azure Policy to automatically rotate keys and update Databricks cluster configurations.
Why it's wrong here
Azure Policy cannot automatically update Databricks configurations; key rotation would still cause disruption.
- ✗
Use Azure Key Vault to store the storage account keys and configure a lifecycle policy to rotate them every 90 days. Update Databricks secrets accordingly.
Why it's wrong here
Key rotation would require updating secrets and could cause job failures if not carefully coordinated.
- ✗
Generate a SAS token with a 90-day expiry and update the Databricks secret before expiry.
Why it's wrong here
SAS tokens still require manual rotation and could interrupt jobs if not updated in time.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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 the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DP-203 NAT questions on configuration and troubleshooting.
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Secure, monitor, and optimize data storage and data processing — study guide chapter
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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 — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Configure Azure Databricks to use a user-assigned managed identity for authentication to Azure Data Lake Storage Gen2. — Option A is correct because using a user-assigned managed identity for Databricks to access storage eliminates the need for access keys. Option B is wrong because key rotation would disrupt jobs that rely on keys. Option C is wrong because SAS tokens with expiry still require token management and rotation. Option D is wrong because storing keys in Key Vault does not prevent job interruption during rotation.
What should I do if I get this DP-203 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DP-203 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 21, 2026
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