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[General] Guaranteed Microsoft DP-203 Questions Answers | Latest DP-203 Test Guide

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【General】 Guaranteed Microsoft DP-203 Questions Answers | Latest DP-203 Test Guide

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Microsoft Data Engineering on Microsoft Azure Sample Questions (Q185-Q190):NEW QUESTION # 185
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. EXTERNAL TABLE access failed due to internal error: 'Java exception raised on call to HdfsBridge_Connect: Error [Unable to instantiate LoginClass] occurredwhile accessing external files.'
  • B. EXTERNAL TABLE access failed due to internal error: 'Java exception raised on call to HdfsBridge_Connect: Error[com.microsoft.polybase.client.KerberosSecureLogin] occurred while accessingexternal files.'
  • C. Cannot execute the query "Remote Query" against OLE DB provider "SQLNCLI11": for linked server
    "(null)", Query aborted- the maximum reject threshold (orows) was reached while regarding from an external source: 1 rows rejected out of total 1 rows processed.
  • D. 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.'
Answer: C
Explanation:
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.

NEW QUESTION # 186
You are implementing Azure Stream Analytics windowing functions.
Which windowing function should you use for each requirement? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:
Explanation:


NEW QUESTION # 187
You have an Azure event hub named retailhub that has 16 partitions. Transactions are posted to retailhub.
Each transaction includes the transaction ID, the individual line items, and the payment details. The transaction ID is used as the partition key.
You are designing an Azure Stream Analytics job to identify potentially fraudulent transactions at a retail store. The job will use retailhub as the input. The job will output the transaction ID, the individual line items, the payment details, a fraud score, and a fraud indicator.
You plan to send the output to an Azure event hub named fraudhub.
You need to ensure that the fraud detection solution is highly scalable and processes transactions as quickly as possible.
How should you structure the output of the Stream Analytics job? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:
Explanation:

Explanation

Box 1: 16
For Event Hubs you need to set the partition key explicitly.
An embarrassingly parallel job is the most scalable scenario in Azure Stream Analytics. It connects one partition of the input to one instance of the query to one partition of the output.
Box 2: Transaction ID
Reference:
https://docs.microsoft.com/en-us ... features#partitions

NEW QUESTION # 188
You are planning a solution to aggregate streaming data that originates in Apache Kafka and is output to Azure Data Lake Storage Gen2. The developers who will implement the stream processing solution use Java, Which service should you recommend using to process the streaming data?
  • A. Azure Databricks
  • B. Azure Stream Analytics
  • C. Azure Data Factory
  • D. Azure Event Hubs
Answer: A
Explanation:
Explanation
https://docs.microsoft.com/en-us ... s/stream-processing

NEW QUESTION # 189
You have an Azure subscription that contains the resources shown in the following table.

Diagnostic logs from ADF1 are sent to LA1. ADF1 contains a pipeline named Pipeline that copies data (torn DB1 to Dwl. You need to perform the following actions:
* Create an action group named AG1.
* Configure an alert in ADF1 to use AG1.
In which resource group should you create AG1?
  • A. RG1
  • B. RG3
  • C. RG4
  • D. RG2
Answer: B

NEW QUESTION # 190
......
Almost everyone is trying to get Data Engineering on Microsoft Azure (DP-203) certification to update their CV or get the desired job. Nowadays, everyone is interested in taking the Data Engineering on Microsoft Azure (DP-203) exam because it has multiple benefits for the future. Every candidate faces just one problem, and that is not getting updated Data Engineering on Microsoft Azure (DP-203) practice questions.
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