Free Microsoft DP-203 Exam Practice Questions
Data Engineering on Microsoft Azure
Total Questions: 354Microsoft DP-203 Exam - Prepare from Latest, Not Redundant Questions!
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Microsoft DP-203 Exam Sample Questions & Answers
You are creating an Apache Spark job in Azure Databricks that will ingest JSON-formatted data.
You need to convert a nested JSON string into a DataFrame that will contain multiple rows.
Which Spark SQL function should you use?
You have an Azure Data Factory pipeline named Pipeline1!. Pipelinel contains a copy activity that sends data to an Azure Data Lake Storage Gen2 account. Pipeline 1 is executed by a schedule trigger.
You change the copy activity sink to a new storage account and merge the changes into the collaboration branch.
After Pipelinel executes, you discover that data is NOT copied to the new storage account.
You need to ensure that the data is copied to the new storage account.
What should you do?
You have an Azure Synapse Analytics dedicated SQL pool named pool1.
You plan to implement a star schema in pool1 and create a new table named DimCustomer by using the following code.
You need to ensure that DimCustomer has the necessary columns to support a Type 2 slowly changing dimension (SCD). Which two columns should you add? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.
You are designing a folder structure for the files m an Azure Data Lake Storage Gen2 account. The account has one container that contains three years of data.
You need to recommend a folder structure that meets the following requirements:
* Supports partition elimination for queries by Azure Synapse Analytics serverless SQL pooh
* Supports fast data retrieval for data from the current month
* Simplifies data security management by department
Which folder structure should you recommend?
You have an Azure Data Lake Storage Gen2 account that contains two folders named Folder and Folder2.
You use Azure Data Factory to copy multiple files from Folder1 to Folder2.
You receive the following error.
What should you do to resolve the error.
