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HOTSPOT You have an Azure subscription that contains an Azure Synapse Analytics dedicated SQL pool named Pool1 and an Azure Data Lake Storage account named storage1. Storage1 requires secure transfers. You need to create an external data source in Pool1 that will be used to read .orc files in storage1. How should you complete the code? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
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HOTSPOT From a website analytics system, you receive data extracts about user interactions such as downloads, link clicks, form submissions, and video plays. The data contains the following columns. You need to design a star schema to support analytical queries of the data. The star schema will contain four tables including a date dimension. To which table should you add each column? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
HOTSPOT You need to output files from Azure Data Factory. Which file format should you use for each type of output? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
HOTSPOT You have an Azure Data Lake Storage Gen2 account named account1 that contains a container named Container'1. Container1 contains two folders named FolderA and FolderB. You need to configure access control lists (ACLs) to meet the following requirements: * Group1 must be able to list and read the contents and subfolders of FolderA. * Group2 must be able to list and read the contents of FolderA and FolderB. * Group2 must be prevented from reading any other folders at the root of Container1. How should you configure the ACL permissions for each group? To answer, select the appropriate options in the answer are a. NOTE: Each correct selection is worth one point.
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Question 84 - DP-203 discussion

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HOTSPOT

You need to output files from Azure Data Factory.

Which file format should you use for each type of output? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question 84
Correct answer: Question 84

Explanation:

Box 1: Parquet

Parquet stores data in columns, while Avro stores data in a row-based format. By their very nature, column-oriented data stores are optimized for read-heavy analytical workloads, while row-based databases are best for write-heavy transactional workloads.

Box 2: Avro

An Avro schema is created using JSON format.

AVRO supports timestamps.

Note: Azure Data Factory supports the following file formats (not GZip or TXT). Avro format

Binary format

Delimited text format

Excel format

JSON format

ORC format

Parquet format

XML format

Reference:

https://www.datanami.com/2018/05/16/big-data-file-formats-demystified

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asked 02/10/2024
Aneez vezhappilly
34 questions
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