- A
Configure the reference input with a static blob path
Why wrong: Static path does not trigger auto-refresh; you need a pattern to detect new blobs.
- D
Use Azure Event Grid to trigger job restart on blob update
Why wrong: Restarting the job is not required; auto-refresh avoids restart.
- E
Store the reference data in Azure SQL Database instead of Blob Storage
Why wrong: While SQL Database is an option, the question specifies Blob Storage; auto-refresh works with Blob Storage.
Question 543 of 851
DP-203 Practice Question: Stream Analytics static reference data…
This DP-203 practice question tests your understanding of design and develop 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 designing a stream processing solution using Azure Stream Analytics. The job must reference a static lookup table (product catalog) stored in Azure Blob Storage. The catalog is updated once daily. The job should automatically pick up the latest version without restarting. Which two configurations are required? (Choose two.)
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
✓
Set the reference input's 'Path pattern' to include date and time placeholders
Option B is correct because Azure Stream Analytics reference data inputs support path pattern placeholders like {date} and {time} to dynamically resolve the latest blob file. This allows the job to automatically load a new version of the static lookup table when the blob is updated, without requiring a job restart. The path pattern must be structured to match the naming convention of the uploaded file, such as 'catalog/{date}/{time}/products.csv'.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 reference input with a static blob path
Why it's wrong here
Static path does not trigger auto-refresh; you need a pattern to detect new blobs.
- ✗
Use Azure Event Grid to trigger job restart on blob update
Why it's wrong here
Restarting the job is not required; auto-refresh avoids restart.
- ✗
Store the reference data in Azure SQL Database instead of Blob Storage
Why it's wrong here
While SQL Database is an option, the question specifies Blob Storage; auto-refresh works with Blob Storage.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The DP-203 exam frequently reuses these exact scenarios with slightly different constraints.
✓Set the reference input's 'Path pattern' to include date and time placeholdersCorrect answer▾
✗Configure the reference input with a static blob pathWrong answer — click to see why▾
Why this is wrong here
Static path does not trigger auto-refresh; you need a pattern to detect new blobs.
✗Use Azure Event Grid to trigger job restart on blob updateWrong answer — click to see why▾
Why this is wrong here
Restarting the job is not required; auto-refresh avoids restart.
✗Store the reference data in Azure SQL Database instead of Blob StorageWrong answer — click to see why▾
Why this is wrong here
While SQL Database is an option, the question specifies Blob Storage; auto-refresh works with Blob Storage.
Analysis generated from the official DP-203blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often think a static path or Event Grid restart is needed, but the question specifically tests the combination of dynamic path patterns and automatic refresh to achieve zero-downtime updates in Azure Stream Analytics.
Detailed technical explanation
How to think about this question
Under the hood, Azure Stream Analytics periodically checks the blob path pattern for new files based on the refresh rate. The {date} and {time} placeholders are resolved using Coordinated Universal Time (UTC) at the time of the refresh interval. If multiple blobs match the pattern, the job loads the one with the latest timestamp, ensuring the most recent catalog is used without manual intervention. This mechanism is critical for scenarios like daily price updates in e-commerce, where the catalog changes predictably.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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.
Visual reference
Quick reference
Azure Blob Storage Tier Comparison
| Tier | Storage Cost | Retrieval Cost | Latency | Use Case |
|---|---|---|---|---|
| Hot | Highest | Lowest | Immediate | Active data, frequent reads |
| Cool | Lower | Higher | Immediate | Data accessed < once / month |
| Cold | Lower still | Higher | Immediate | Data accessed < once / quarter |
| Archive | Lowest | Highest + rehydration delay | Hours | Long-term compliance retention |
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Design and develop data processing — study guide chapter
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FAQ
Questions learners often ask
What does this DP-203 question test?
Design and develop data processing — This question tests Design and develop data processing — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Set the reference input's 'Path pattern' to include date and time placeholders — Option B is correct because Azure Stream Analytics reference data inputs support path pattern placeholders like {date} and {time} to dynamically resolve the latest blob file. This allows the job to automatically load a new version of the static lookup table when the blob is updated, without requiring a job restart. The path pattern must be structured to match the naming convention of the uploaded file, such as 'catalog/{date}/{time}/products.csv'.
What should I do if I get this DP-203 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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