Question 255 of 760
DP-203 Design and implement data storage Practice Question
A data engineer is designing a solution that uses Azure Data Factory to copy data from an on-premises SQL Server to Azure Synapse Analytics. The data transfer must be encrypted in transit. Which property should be configured in the linked service?
⚠ Common exam trap
Many candidates confuse 'encryption in transit' with authentication methods (like Integrated Security) or certificate validation settings (like UseSystemTrustStore), leading them to select options that address identity or trust rather than the actual encryption of the data channel.
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
✓
EncryptedConnection
The EncryptedConnection property in an Azure Data Factory linked service enforces encryption for data in transit between the on-premises SQL Server and Azure Synapse Analytics. When set to true, it uses TLS/SSL to encrypt the connection, ensuring that data transferred over the network is protected from interception or tampering.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
ConnectionString with Integrated Security
Why it's wrong here
Does not guarantee encryption in transit.
- ✗
AuthenticateVia
Why it's wrong here
Specifies authentication method.
- ✓
EncryptedConnection
Why this is correct
Enables TLS encryption for data transfer.
- ✗
UseSystemTrustStore
Why it's wrong here
Related to certificate trust.
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Last reviewed: Jun 24, 2026
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