DP-203 Sample Questions & Answers

You have files and folders in Azure Data Lake Storage Gen2 for an Azure Synapse workspace as shown in the following exhibit.You create an external table named ExtTable that has LOCATION='/topfolder/'.When you query ExtTable by using an Azure Synapse Analytics serverless SQL pool, which files are returned?

You are designing the folder structure for an Azure Data Lake Storage Gen2 container.Users will query data by using a variety of services including Azure Databricks and Azure Synapse Analytics serverless SQL pools. The data will be secured by subject area. Most queries will include data from the current year or current month.Which folder structure should you recommend to support fast queries and simplified folder security?

You need to design an Azure Synapse Analytics dedicated SQL pool that meets the following requirements:✑ Can return an employee record from a given point in time.✑ Maintains the latest employee information.✑ Minimizes query complexity.How should you model the employee data?

You have an enterprise-wide Azure Data Lake Storage Gen2 account. The data lake is accessible only through an Azure virtual network named VNET1.You are building a SQL pool in Azure Synapse that will use data from the data lake.Your company has a sales team. All the members of the sales team are in an Azure Active Directory group named Sales. POSIX controls are used to assign theSales group access to the files in the data lake.You plan to load data to the SQL pool every hour.You need to ensure that the SQL pool can load the sales data from the data lake.Which three actions should you perform? Each correct answer presents part of the solution.NOTE: Each area selection is worth one point.

You have an enterprise data warehouse in Azure Synapse Analytics.Using PolyBase, you create an external table named [Ext].[Items] to query Parquet files stored in Azure Data Lake Storage Gen2 without importing the data to the data warehouse.The external table has three columns.You discover that the Parquet files have a fourth column named ItemID.Which command should you run to add the ItemID column to the external table?A.B.C.D.