| Exam Code | DP-203 |
| Exam Name | Data Engineering on Microsoft Azure |
| Questions | 303 |
| Update Date | September 26,2023 |
| Price |
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You are designing the folder structure for an Azure Data Lake Storage Gen2 account.You identify the following usage patterns:• Users will query data by using Azure Synapse Analytics serverless SQL pools and AzureSynapse Analytics serverless Apache Spark pods.• Most queries will include a filter on the current year or week.• Data will be secured by data source.You need to recommend a folder structure that meets the following requirements:• Supports the usage patterns• Simplifies folder security• Minimizes query timesWhich folder structure should you recommend?
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
You have an Azure Databricks resource.You need to log actions that relate to changes in compute for the Databricks resource.Which Databricks services should you log?
A. clusters
B. workspace
C. DBFS
D. SSH
E lobs
You need to implement a Type 3 slowly changing dimension (SCD) for product categorydata in an Azure Synapse Analytics dedicated SQL pool.You have a table that was created by using the following Transact-SQL statement. Which two columns should you add to the table? Each correct answer presents part of thesolution.NOTE: Each correct selection is worth one point.
A. [EffectiveScarcDate] [datetime] NOT NULL,
B. [CurrentProduccCacegory] [nvarchar] (100) NOT NULL,
C. [EffectiveEndDace] [dacecime] NULL,
D. [ProductCategory] [nvarchar] (100) NOT NULL,
E. [OriginalProduccCacegory] [nvarchar] (100) NOT NULL,
You have an Azure Data lake Storage account that contains a staging zone.You need to design a daily process to ingest incremental data from the staging zone,transform the data by executing an R script, and then insert the transformed data into adata warehouse in Azure Synapse Analytics.Solution You use an Azure Data Factory schedule trigger to execute a pipeline thatexecutes an Azure Databricks notebook, and then inserts the data into the data warehouseDow this meet the goal?
A. Yes
B. No
You plan to build a structured streaming solution in Azure Databricks. The solution willcount new events in five-minute intervals and report only events that arrive during theinterval. The output will be sent to a Delta Lake table.Which output mode should you use?
A. complete
B. update
C. append
You have an enterprise data warehouse in Azure Synapse Analytics.Using PolyBase, you create an external table named [Ext].[Items] to query Parquet filesstored 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. Option A
B. Option B
C. Option C
D. Option D
You need to trigger an Azure Data Factory pipeline when a file arrives in an Azure DataLake Storage Gen2 container.Which resource provider should you enable?
A. Microsoft.Sql
B. Microsoft-Automation
C. Microsoft.EventGrid
D. Microsoft.EventHub
You are designing an Azure Databricks interactive cluster. The cluster will be usedinfrequently and will be configured for auto-termination.You need to ensure that the cluster configuration is retained indefinitely after the cluster isterminated. The solution must minimize costsWhat should you do?
A. Clone the cluster after it is terminated.
B. Terminate the cluster manually when processing completes.
C. Create an Azure runbook that starts the cluster every 90 days.
D. Pin the cluster.
You have an enterprise data warehouse in Azure Synapse Analytics named DW1 on aserver named Server1.You need to verify whether the size of the transaction log file for each distribution of DW1 issmaller than 160 GB.What should you do?
A. On the master database, execute a query against thesys.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.
You are designing a financial transactions table in an Azure Synapse Analytics dedicatedSQL pool. The table will have a clustered columnstore index and will include the followingcolumns:TransactionType: 40 million rows per transaction typeCustomerSegment: 4 million per customer segmentTransactionMonth: 65 million rows per monthAccountType: 500 million per account typeYou have the following query requirements:Analysts will most commonly analyze transactions for a given month.Transactions analysis will typically summarize transactions by transaction type,customer segment, and/or account typeYou need to recommend a partition strategy for the table to minimize query times.On which column should you recommend partitioning the table?
A. CustomerSegment
B. AccountType
C. TransactionType
D. TransactionMonth
