Microsoft DP-203 study guides

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You have an Azure Synapse Analytics Apache Spark pool named Pool1. You plan to load JSON files from an Azure Data Lake Storage Gen2 container into the tables in Pool1. The structure and data types vary by file. You need to load the files into the tables. The solution must maintain the source data types. What should you do?
A. Use a Get Metadata activity in Azure Data Factory.
B. Use a Conditional Split transformation in an Azure Synapse data flow.
C. Load the data by using the OPEHROwset Transact-SQL command in an Azure Synapse Anarytics serverless SQL pool.
D. Load the data by using PySpark.
Answer: C

You have an Azure Synapse Analytics dedicated SQL pool named Pool1 and a database named DB1. DB1 contains a fact table named Table1. You need to identify the extent of the data skew in Table1. What should you do in Synapse Studio?
A. Connect to the built-in pool and query sysdm_pdw_sys_info.
B. Connect to Pool1 and run DBCC CHECKALLOC.
C. Connect to the built-in pool and run DBCC CHECKALLOC.
D. Connect to Pool! and query sys.dm_pdw_nodes_db_partition_stats.
Answer: D

You have an enterprise data warehouse in Azure Synapse Analytics named DW1 on a server named Server1. You need to verify whether the size of the transaction log file for each distribution of DW1 is smaller than 160 GB. What should you do?
A. On the master database, execute a query against the sys.dm_pdw_nodes_os_performance_counters dynamic management view.
B. From Azure Monitor in the Azure portal, execute a query against the logs of DW1.
C. On DW1, execute a query against the sys.database_files dynamic management view.
D. Execute a query against the logs of DW1 by using the Get-AzOperationalInsightSearchResult PowerShell cmdlet.
Answer: A

You have an Azure data factory. You need to examine the pipeline failures from the last 180 flays. What should you use?
A. the Activity tog blade for the Data Factory resource
B. Azure Data Factory activity runs in Azure Monitor
C. Pipeline runs in the Azure Data Factory user experience
D. the Resource health blade for the Data Factory resource
Answer: B

You have an Azure Synapse Analystics dedicated SQL pool that contains a table named Contacts. Contacts contains a column named Phone. You need to ensure that users in a specific role only see the last four digits of a phone number when querying the Phone column. What should you include in the solution?
A. a default value
B. dynamic data masking
C. row-level security (RLS)
D. column encryption
E. table partitions
Answer: B​

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DP-203 Study Guides

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