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DP-203 Azure Data Engineer exam questions with correct answers
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DP-203 Azure Data Engineer exam questions with correct answers
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DP-203 Azure Data Engineer exam questionswith correct answers
What type of Databricks cluster can be created using the UI, CLI, or REST API and can be
x x x x x x x x x x x x x x x x x
manually terminated and restart? - ANSWER: ➡ all-purpose cluster
x x x x x x xx x x
What type of Databricks cluster is created by job scheduler when you run a job and is
x x x x x x x x x x x x x x x x
automatically terminated when the job is complete? - ANSWER: ➡ job cluster
x x x x x x x x x xx x x
What type of Databricks cluster consists of an Apache Spark driver and no Spark workers? -
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ANSWER: ➡ single node cluster
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What type of Databricks cluster is recommended for a single user that can run workloads
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developed in Python, SQL, R, and Scala? - ANSWER: ➡ standard cluster
x x x x x x x x x xx x x
What type of Databricks cluster provides fine-grained sharing for maximum resource
x x x x x x x x x x
utilization and minimum query latencies? - ANSWER: ➡ high concurrency clusters
x x x x x x x xx x x x
What is a shell script that runs during startup of each cluster node before the Apache Spark
x x x x x x x x x x x x x x x x
driver or worker JVM starts? - ANSWER: ➡ init script
x x x x x x x xx x x
What is the distributed file systems mounted into an Azure Databricks workspace and
x x x x x x x x x x x x
available on Azure Databricks cluster? - ANSWER: ➡ Databricks File System (DBFS)
x x x x x x x xx x x x x
How to access data in an Azure Data Lake Gen2 (ADLS Gen2) account with Azure Databricks? -
x x x x x x x x x x x x x x x x
ANSWER: ➡ Use OAuth 2.0 with an Azure Active Directory (Azure AD) application service
x xx x x x x x x x x x x x x
principal for authentication
x x x
,What are the steps to creating an Azure AD application and service principal to mount or
x x x x x x x x x x x x x x x
directly access data in an ADLS Gen2 storage account? - ANSWER: ➡ 1. Create an Azure AD
x x x x x x x x x x x xx x x x x x
application (this will create an associated service principal used to access the storage account)
x x x x x x x x x x x x x x
2. Create an Azure Key Vault-backed secret scope. (the secret scope will securely store the
x x x x x x x x x x x x x x
client secret associated with the Azure AD application)
x x x x x x x x
3. Save the client secret associated with the Azure AD application in the Azure key vault
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4. Assign roles to the application to provide the service principal with the required
x x x x x x x x x x x x x
permissions to access the ADLS Gen2 storage account
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5. Create one or more containers inside the storage account.
x x x x x x x x x
6. Authenticate and access the ADLS Gen2 storage account through a mount point or direct
x x x x x x x x x x x x x x
access
x
In which scenarios should you use Azure Stream Analytics? - ANSWER: ➡ 1. Dashboards for
x x x x x x x x x x xx x x x
data visualization
x x
2. Real-time alerts from temporal and spatial patterns or anomalies
x x x x x x x x x
3. Extract, Transform, Load (ETL)
x x x x
4. Event Sourcing pattern
x x x
5. IoT edge
x x
In which scenarios should you NOT use Azure Stream Analytics? - ANSWER: ➡ 1. You want to
x x x x x x x x x x x xx x x x x
write UDF, UDAs, and custom deserializers in a language other than JavaScript or C#
x x x x x x x x x x x x x x
2. Your solution is in a multi-cloud or on-premises environment
x x x x x x x x x
What Apache Spark API lets you express computation on streaming data in the same way you
x x x x x x x x x x x x x x x
express a batch computation on static data? - ANSWER: ➡ Structured Streaming
x x x x x x x x x xx x x
Which functions in Azure Stream Analytics can be used for anomaly detection? - ANSWER: ➡
x x x x x x x x x x x x x xx
1. AnomalyDetection_SpikeAndDip
x x x
2. AnomalyDetection_ChangePoint
x
, Which block blob storage tier has a minimum storage duration of 180 days and a latency in
x x x x x x x x x x x x x x x x
hours? - ANSWER: ➡ Archive tier
x x x xx x x
Which block blob storage tier has a minimum storage duration of 30 days and a latency in
x x x x x x x x x x x x x x x x
milliseconds? - ANSWER: ➡ Cool tier
x x x xx x x
Which block blob storage tier has no minimum storage duration and a latency in milliseconds?
x x x x x x x x x x x x x x
- ANSWER: ➡ Hot Tier
x x xx x x
Which block blob storage tier has no minimum storage duration and a latency in single-digit
x x x x x x x x x x x x x x
milliseconds? - ANSWER: ➡ Premium Performance Tier
x x x xx x x x
What are the two options for rehydrating a blob that is stored in the archive tier? - ANSWER: ➡
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1. Copy an archived blob to an online tier: You can rehydrate an archived blob by copying it to a
x x x x x x x x x x x x x x x x x x x x
new blob in the hot or cool tier with the Copy Blob or Copy Blo from URL operation. (Microsoft
x x x x x x x x x x x x x x x x x x x
recommends this approach in most scenarios)
x x x x x x
2. Change a blob's access tier to an online tier: You can rehydrate an archived blob to hot or cool
x x x x x x x x x x x x x x x x x x x
by changing its tier using the Set Blob Tier operation
x x x x x x x x x x
What are the two Rehydration priority options - ANSWER: ➡ 1. Standard priority: the
x x x x x x x x xx x x x x
rehydration request will be processed in the order it was received and may take up to 15 hours
x x x x x x x x x x x x x x x x x x
2. High priority: The rehydration request will be prioritized over standard priority requests
x x x x x x x x x x x x
and may complete in under one hour for objects under 10 GB in size
x x x x x x x x x x x x x x
Which T-SQL statements allows you to specify both the distribution of the table data as well as
x x x x x x x x x x x x x x x x
the table structure type? - ANSWER: ➡ CTAS
x x x x x x xx x
What T-SQL statement allows you to create an external table in a dedicated SQL pool or
x x x x x x x x x x x x x x x
serverless SQL pool? - ANSWER: ➡ CETAS
x x x x x xx x
Which GROUP BY options are supported in dedicated SQL pool? - ANSWER: ➡ 1. GROUP BY
x x x x x x x x x x x xx x x x
with ROLLUP
x x
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