DP-203 Design and implement data storage Practice Question
Which TWO of the following are supported storage options for use as a source in Azure Synapse Pipeline Copy Activity?
⚠ Common exam trap
Candidates often confuse Azure services that manage or process data (like Analysis Services, Cognitive Search, or Purview) with actual storage services that can serve as a source for the Copy Activity, leading them to select non-storage options.
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
✓
Azure Data Lake Storage Gen2
Azure Data Lake Storage Gen2 is a supported source for Azure Synapse Pipeline Copy Activity because it combines a hierarchical file system with Azure Blob Storage APIs, enabling efficient data ingestion. The Copy Activity can read data from ADLS Gen2 using the AzureBlobFS linked service, which supports both file and folder-level reads for structured and unstructured data.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Azure Data Lake Storage Gen2
Why this is correct
ADLS Gen2 is a supported source.
- ✗
Azure Analysis Services
Why it's wrong here
Analysis Services is an analytical engine, not a data store for copy.
- ✗
Azure Cognitive Search
Why it's wrong here
Cognitive Search is a search service, not a source.
- ✗
Azure Purview
Why it's wrong here
Purview is a data governance service.
- ✓
Azure Blob Storage
Why this is correct
Azure Blob Storage is a supported source.
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 |
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