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| From | Number of exam questions | Exam name | Exam code |
| Lead4Pass | 15 | Designing and Implementing Enterprise-Scale Analytics Solutions Using Microsoft Azure and Microsoft Power BI | DP-500 |
Question 1:
You are using an Azure Synapse Analytics serverless SQL pool to query network traffic logs in the Apache Parquet format. A sample of the data is shown in the following table.
You need to create a Transact-SQL query that will return the source IP address.
Which function should you use in the select statement to retrieve the source IP address?
A. JS0N_VALUE
B. FOR.JSON
C. CONVERT
D. FIRST VALUE
Correct Answer: A
Question 2:
You have the Power Bl data model shown in the exhibit. (Click the Exhibit tab.) Users indicate that when they build reports from the data model, the reports take a long time to load.
You need to recommend a solution to reduce the load times of the reports.
Solution: You recommend creating a perspective that contains the commonly used fields.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B
Question 3:
You are using an Azure Synapse Analytics serverless SQL pool to query a collection of Apache Parquet files by using automatic schema inference. The files contain more than 40 million rows of UTF-8-encoded business names, survey names, and participant counts. The database is configured to use the default collation.
The queries use an open row set and infer the schema shown in the following table.
You need to recommend changes to the queries to reduce I/O reads and tempdb usage.
Solution: You recommend using openrowset with to explicitly specify the maximum length for businessName and surveyName.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B
Question 4:
HOTSPOT
You use Advanced Editor in Power Query Editor to edit a query that references two tables named Sales and Commission. A sample of the data in the Sales table is shown in the following table.
A sample of the data in the Commission table is shown in the following table.
You need to merge the tables by using Power Query Editor without losing any rows in the Sales table. How should you complete the query? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
Question 5:
You have the following Python code in an Apache Spark notebook.
Which type of chart will the code produce?
A. a stacked bar chart
B. a pie chart
C. a bar chart
D. an area chart
Correct Answer: C
Question 6:
You have a 2-GB Power Bl dataset.
You need to ensure that you can redeploy the dataset by using Tabular Editor. The solution must minimize how long it will take to apply changes to the dataset from powerbi.com.
Which two actions should you perform on powerbi.com? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point
A. Enable service principal authentication for read-only admin APIs.
B. Turn on the Large dataset storage format.
C. Connect the target workspace to an Azure Data Lake Storage Gen2 account.
D. Enable XMLA read-write.
Correct Answer: BD
Question 7:
You need to build a Transact-SQL query to implement the planned changes for the internal users.
How should you complete the Transact-SQL query? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
Question 8:
HOTSPOT
You have the Power BI workspaces shown in the following exhibit.
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.
Hot Area:
Correct Answer:
Question 9:
You have a Power Bl data model.
You need to refresh the data from the source every 15 minutes.
What should you do first?
A. Enable the XMLA endpoint.
B. Define an incremental refresh policy.
C. Change the storage mode of the dataset.
D. Configure a scheduled refresh.
Correct Answer: A
Question 10:
HOTSPOT
You are using an Azure Synapse notebook to create a Python visual.
You run the following code cell to import a dataset named Iris.
A sample of the data is shown in the following table.
You need to create the visual shown in the exhibit. (Click the Exhibit tab.)
How should you complete the Python code? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
Question 11:
You have an Azure subscription that contains an Azure Synapse Analytics workspace. You create an Azure Data Lake Storage Gen2 account and upload a CSV file named Filel.csv. You need to use Synapse Studio to query the data in Filel.csv by using a serverless SQL pool. Which Transact-SQL operator should you include in the query?
A. STRIMO_SPLIT
B. OPENOUERY
C. OPCNROWSET
D. OPEMDATASOURCE
Correct Answer: C
Question 12:
You have a Power Bl workspace named Workspace that contains five dataflows.
You need to configure Workspace to store the dataflows in an Azure Data Lake Storage Gen2 account
What should you do first?
A. Delete the dataflow queries.
B. From the Power Bl Admin portal, enable tenant-level storage.
C. Disable load for all dataflow queries.
D. Change the Data source settings in the dataflow queries.
Correct Answer: D
Question 13:
HOTSPOT
You are using Azure Synapse Studio to explore a dataset that contains data about taxi trips.
You need to create a chart that will show the total trip distance according to the number of passengers as shown in the following exhibit.
How should you configure the chart? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
Question 14:
You have an Azure Synapse Analytics dedicated SQL pool.
You need to ensure that the SQL pool is scanned by Azure Purview.
What should you do first?
A. Register a data source.
B. Search the data catalog.
C. Create a data share connection.
D. Create a data policy.
Correct Answer: B
Question 15:
You have a group of data scientists who must create machine-learning models and run periodic experiments on a large dataset.
You need to recommend an Azure Synapse Analytics pool for the data scientists. The solution must minimize costs.
Which type of pool should you recommend?
A. a Data Explorer pool
B. an Apache Spark pool
C. a dedicated SQL pool
D. a serverless SQL pool
Correct Answer: B
In Azure Synapse, training machine learning models can be performed on the Apache Spark Pools with tools like PySpark/Python, Scala, or. NET.
Reference: https://docs.microsoft.com/en-us/azure/synapse-analytics/machine-learning/what-is-machine-learning
…
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