DP-203 Develop data processing Practice Question
Which TWO of the following are supported sources for Azure Data Factory Copy activity? (Choose two.)
⚠ Common exam trap
Many exam-takers confuse Azure Analysis Services (a semantic model) with Azure SQL Database or Azure Synapse, which are valid sources, leading them to incorrectly select it as a supported source for Copy activity.
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
✓
Amazon S3
Amazon S3 is a supported source for Azure Data Factory Copy activity because ADF includes a built-in Amazon S3 connector that allows data ingestion from S3 into Azure. This connector uses the S3 REST API to read objects, supporting both public and private buckets via access keys or IAM roles.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Power BI Dataset
Why it's wrong here
Power BI datasets are not supported as sources for Copy activity.
- ✗
Azure DevOps
Why it's wrong here
Azure DevOps (boards, repos) is not a data store.
- ✓
Amazon S3
Why this is correct
Amazon S3 is supported via the Amazon S3 connector.
- ✓
Azure Blob Storage
Why this is correct
Azure Blob Storage is a first-class source for Copy activity.
- ✗
Azure Analysis Services
Why it's wrong here
Azure Analysis Services is not a supported data source for Copy activity.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
Go deeper
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