DP-203 Exam Question 116

You use Azure Data Lake Storage Gen2.
You need to ensure that workloads can use filter predicates and column projections to filter data at the time the data is read from disk.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
  • DP-203 Exam Question 117

    You have an Azure Stream Analytics job that receives clickstream data from an Azure event hub.
    You need to define a query in the Stream Analytics job. The query must meet the following requirements:
    * Count the number of clicks within each 10-second window based on the country of a visitor.
    * Ensure that each click is NOT counted more than once.
    How should you define the Query?
  • DP-203 Exam Question 118

    You are designing a dimension table in an Azure Synapse Analytics dedicated SQL pool.
    You need to create a surrogate key for the table. The solution must provide the fastest query performance.
    What should you use for the surrogate key?
  • DP-203 Exam Question 119

    You have an on-premises data warehouse that includes the following fact tables. Both tables have the following columns: DateKey, ProductKey, RegionKey. There are 120 unique product keys and 65 unique region keys.

    Queries that use the data warehouse take a long time to complete.
    You plan to migrate the solution to use Azure Synapse Analytics. You need to ensure that the Azure-based solution optimizes query performance and minimizes processing skew.
    What should you recommend? To answer, select the appropriate options in the answer area.
    NOTE: Each correct selection is worth one point

    DP-203 Exam Question 120

    You are implementing a batch dataset in the Parquet format.
    Data tiles will be produced by using Azure Data Factory and stored in Azure Data Lake Storage Gen2. The files will be consumed by an Azure Synapse Analytics serverless SQL pool.
    You need to minimize storage costs for the solution.
    What should you do?