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Microsoft DP-203 Prüfungsplan:

ThemaEinzelheiten
Thema 1
  • Design metastores in Azure Synapse Analytics and Azure Databricks
  • Transform data by using Azure Synapse Pipelines
Thema 2
  • Implement different table geometries with Azure Synapse Analytics pools
  • Design data encryption for data at rest and in transit
Thema 3
  • Optimize pipelines for analytical or transactional purposes
  • Transform data by using Stream Analytics
Thema 4
  • Identify when partitioning is needed in Azure Data Lake Storage Gen2
  • Design and develop slowly changing dimensions
Thema 5
  • Design a folder structure that represents the levels of data transformation
  • Optimize and troubleshoot data storage and data processing
Thema 6
  • Configure error handling for the transformation
  • Design and Develop Data Processing
Thema 7
  • Monitor and Optimize Data Storage and Data Processing
  • Implement physical data storage structures
Thema 8
  • Design and develop a batch processing solution
  • Implement logical data structures
Thema 9
  • Design and develop a stream processing solution
  • Implement a dimensional hierarchy

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Microsoft Data Engineering on Microsoft Azure DP-203 Prüfungsfragen mit Lösungen (Q35-Q40):

35. Frage
You store files in an Azure Data Lake Storage Gen2 container. The container has the storage policy shown in the following exhibit.
DP-203-988a44250ffa97d666955c2afa2cb020.jpg
Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
NOTE: Each correct selection Is worth one point.
DP-203-29c8937bd770b9e92e75ebf0a907080f.jpg

Antwort:

Begründung:
DP-203-413e0ce638e9dd42bfd8c235e1b0a357.jpg
Reference:
https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.management.storage.fluent.models.managementpolicybaseblob.tiertocool


36. Frage
You plan to develop a dataset named Purchases by using Azure databricks Purchases will contain the following columns:
* ProductID
* ItemPrice
* lineTotal
* Quantity
* StorelD
* Minute
* Month
* Hour
* Year
* Day
You need to store the data to support hourly incremental load pipelines that will vary for each StoreID. the solution must minimize storage costs. How should you complete the rode? To answer, select the appropriate options In the answer are a.
NOTE: Each correct selection is worth one point.
DP-203-085a3dd6e2f3e20b2aca378355527872.jpg

Antwort:

Begründung:
DP-203-ea34e2343fb4eb4609543e2e13fb968e.jpg
Reference:
https://intellipaat.com/community/11744/how-to-partition-and-write-dataframe-in-spark-without-deleting-partitions-with-no-new-data


37. Frage
You configure monitoring for a Microsoft Azure SQL Data Warehouse implementation. The implementation uses PolyBase to load data from comma-separated value (CSV) files stored in Azure Data Lake Gen 2 using an external table.
Files with an invalid schema cause errors to occur.
You need to monitor for an invalid schema error.
For which error should you monitor?

  • A. Cannot execute the query "Remote Query" against OLE DB provider "SQLNCLI11": for linked server "(null)", Query aborted- the maximum reject threshold (o rows) was reached while regarding from an external source: 1 rows rejected out of total 1 rows processed.
  • B. EXTERNAL TABLE access failed due to internal error: 'Java exception raised on call to HdfsBridge_Connect: Error [Unable to instantiate LoginClass] occurred while accessing external files.'
  • C. EXTERNAL TABLE access failed due to internal error: 'Java exception raised on call to HdfsBridge_Connect: Error [No FileSystem for scheme: wasbs] occurred while accessing external file.'
  • D. EXTERNAL TABLE access failed due to internal error: 'Java exception raised on call to HdfsBridge_Connect: Error
    [com.microsoft.polybase.client.KerberosSecureLogin] occurred while accessing external files.'

Antwort: A

Begründung:
Customer Scenario:
SQL Server 2016 or SQL DW connected to Azure blob storage. The CREATE EXTERNAL TABLE DDL points to a directory (and not a specific file) and the directory contains files with different schemas.
SSMS Error:
Select query on the external table gives the following error:
Msg 7320, Level 16, State 110, Line 14
Cannot execute the query "Remote Query" against OLE DB provider "SQLNCLI11" for linked server "(null)". Query aborted-- the maximum reject threshold (0 rows) was reached while reading from an external source: 1 rows rejected out of total 1 rows processed.
Possible Reason:
The reason this error happens is because each file has different schema. The PolyBase external table DDL when pointed to a directory recursively reads all the files in that directory. When a column or data type mismatch happens, this error could be seen in SSMS.
Possible Solution:
If the data for each table consists of one file, then use the filename in the LOCATION section prepended by the directory of the external files. If there are multiple files per table, put each set of files into different directories in Azure Blob Storage and then you can point LOCATION to the directory instead of a particular file. The latter suggestion is the best practices recommended by SQLCAT even if you have one file per table.
Incorrect Answers:
A: Possible Reason: Kerberos is not enabled in Hadoop Cluster.
Reference:
https://techcommunity.microsoft.com/t5/DataCAT/PolyBase-Setup-Errors-and-Possible-Solutions/ba-p/305297


38. Frage
You need to ensure that the Twitter feed data can be analyzed in the dedicated SQL pool. The solution must meet the customer sentiment analytics requirements.
Which three Transaction-SQL DDL commands should you run in sequence? To answer, move the appropriate commands from the list of commands to the answer area and arrange them in the correct order.
NOTE: More than one order of answer choices is correct. You will receive credit for any of the correct orders you select.
DP-203-84e1b402142cc5e71b1296b1e610f583.jpg

Antwort:

Begründung:
DP-203-1622daec2adbe070ab76e7f5c1c8be18.jpg


39. Frage
You have an Azure Synapse Analytics dedicated SQL pool that contains the users shown in the following table.
DP-203-a8c791ef1e53e5e86d5c0a04c3c09371.jpg
User1 executes a query on the database, and the query returns the results shown in the following exhibit.
DP-203-f467c025dac1a77a40e11642260c16dc.jpg
User1 is the only user who has access to the unmasked data.
Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.
DP-203-76359dae926c69873ad875254537d040.jpg

Antwort:

Begründung:
DP-203-24f9efd9d5ea92d68e74b9ae50f88492.jpg
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/dynamic-data-masking-overview


40. Frage
......

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