Crucial Exams

Microsoft Fabric Data Engineer Associate DP-700 Practice Question

A Fabric pipeline uses a Copy Data activity to load Parquet files from Azure Data Lake Storage Gen2 into a lakehouse. The source linked service authenticates by Azure AD service principal (client ID/secret). Yesterday the run succeeded; today every run fails in under two minutes with the error "Access token has expired or is invalid." Without changing activity settings, how do you restore successful scheduled runs?

  • Change the linked service to use workspace managed identity authentication and grant the managed identity the Storage Blob Data Contributor role.

  • Create a new client secret for the service principal, update the Azure Data Lake linked service with the new secret, and publish the pipeline.

  • Generate a new shared access signature (SAS) for the storage account and replace the data-source connection string in the Copy activity.

  • Increase the retry count and timeout properties of the Copy Data activity to allow the transfer to finish.

Microsoft Fabric Data Engineer Associate DP-700
Monitor and optimize an analytics solution
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