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Microsoft DP-203 (Data Engineering on Microsoft Azure) exam is designed to assess the skills and knowledge of data professionals who work on the Azure platform. Data Engineering on Microsoft Azure certification exam is one of the most widely recognized and respected credentials in the field of data engineering. Passing DP-203 Exam demonstrates that an individual has a thorough understanding of the tools and technologies used for data engineering on Microsoft Azure.

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Microsoft Data Engineering on Microsoft Azure Sample Questions (Q161-Q166):

NEW QUESTION # 161
You have an Azure subscription that contains the resources shown in the following table.

You need to ensure that you can Spark notebooks in ws1. The solution must ensure secrets from kv1 by using UAMI1. What should you do? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

NEW QUESTION # 162
You have an Azure subscription linked to an Azure Active Directory (Azure AD) tenant that contains a service principal named ServicePrincipal1. The subscription contains an Azure Data Lake Storage account named adls1. Adls1 contains a folder named Folder2 that has a URI of https://adls1.dfs.core.windows.net
/container1/Folder1/Folder2/.
ServicePrincipal1 has the access control list (ACL) permissions shown in the following table.

You need to ensure that ServicePrincipal1 can perform the following actions:
* Traverse child items that are created in Folder2.
* Read files that are created in Folder2.
The solution must use the principle of least privilege.
Which two permissions should you grant to ServicePrincipal1 for Folder2? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

A. Access - Execute
B. Default-Read
C. Default - Execute
D. Access - Read
E. Access - Write
F. Default - Write

Answer: B,C

Explanation:
Execute (X) permission is required to traverse the child items of a folder.
There are two kinds of access control lists (ACLs), Access ACLs and Default ACLs.
Access ACLs: These control access to an object. Files and folders both have Access ACLs.
Default ACLs: A "template" of ACLs associated with a folder that determine the Access ACLs for any child items that are created under that folder. Files do not have Default ACLs.
Reference:
https://docs.microsoft.com/en-us/azure/data-lake-store/data-lake-store-access-control

NEW QUESTION # 163
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 Azure Synapse 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 times
Which folder structure should you recommend?
A)

A. Option C
B. Option B
C. Option D
D. Option A
E. Option E

Answer: C

NEW QUESTION # 164
You are designing an Azure Stream Analytics solution that receives instant messaging data from an Azure Event Hub.
You need to ensure that the output from the Stream Analytics job counts the number of messages per time zone every 15 seconds.
How should you complete the Stream Analytics query? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation
Table Description automatically generated

Box 1: timestamp by
Box 2: TUMBLINGWINDOW
Tumbling window functions are used to segment a data stream into distinct time segments and perform a function against them, such as the example below. The key differentiators of a Tumbling window are that they repeat, do not overlap, and an event cannot belong to more than one tumbling window.
Timeline Description automatically generated

Reference:
https://docs.microsoft.com/en-us/azure/stream-analytics/stream-analytics-window-functions

NEW QUESTION # 165
You have two fact tables named Flight and Weather. Queries targeting the tables will be based on the join between the following columns.

You need to recommend a solution that maximizes query performance.
What should you include in the recommendation?

A. In each table, create a column as a composite of the other two columns in the table.
B. In each table, create an identity column.
C. In the tables use a hash distribution of ArrivaIAirportID and AirportlD.
D. In the tables use a hash distribution of ArrivalDateTime and ReportDateTime.

Answer: C

Explanation:
Hash-distribution improves query performance on large fact tables.

NEW QUESTION # 166
......

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