DP-203 Develop data processing Practice Question
You are designing a data pipeline that uses Azure Data Factory to load data from an FTP server to Azure Data Lake Storage. The FTP server requires authentication with username and password. Which type of linked service should you create?
⚠ Common exam trap
Candidates often confuse the FTP connector with the HTTP or REST connector because they think all file transfers can be handled by generic web protocols, but FTP has its own distinct authentication and command set that requires a dedicated connector.
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
✓
FTP
Azure Data Factory provides a native FTP connector that supports username/password authentication for connecting to FTP servers. This linked service type is specifically designed to handle the FTP protocol (RFC 959) and allows you to copy data directly from an FTP server to Azure Data Lake Storage without requiring any additional gateways or custom activities.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
FTP
Why this is correct
FTP linked service supports username and password authentication.
- ✗
Azure Blob Storage
Why it's wrong here
Azure Blob Storage linked service is for Azure storage, not external FTP.
- ✗
HTTP
Why it's wrong here
HTTP linked service is for HTTP/HTTPS endpoints, not FTP.
- ✗
Rest service
Why it's wrong here
REST linked service is for REST APIs.
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