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‎learn-pr/sqlserver/sql-server-data-virtualization/2-polybase.yml‎

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durationInMinutes: 8
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content: |
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[!include[](includes/2-polybase.md)]
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quiz:
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title: Knowledge check
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questions:
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- content: "Object storage is the recommended solution for high-transactional workloads."
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choices:
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- content: "True"
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isCorrect: false
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explanation: "Object storage is recommended for Big Data, Internet of Things (IoT), Analytics, AI, and Machine Learning workloads, not high-transactional or online transactional processing (OLTP) workloads."
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- content: "False"
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isCorrect: true
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explanation: "Object storage architecture was designed for Big Data, Internet of Things (IoT), Analytics, AI, and Machine Learning workloads, not high-transactional workloads."
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- content: "To run the PolyBase feature, you need to install and enable the PolyBase Query Service for External Data."
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choices:
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- content: "True"
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isCorrect: true
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explanation: "All PolyBase data sources require the **PolyBase Query Service for External Data** to be installed and enabled, even those that don't use the other PolyBase services."
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- content: "False"
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isCorrect: false
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explanation: "Not all PolyBase data sources need to have the PolyBase services configured and running, but they all require the **PolyBase Query Service for External Data** to be installed and enabled."
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- content: "SQL Server 2025 supports all types of object storage."
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choices:
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- content: "True"
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isCorrect: false
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explanation: "SQL Server 2025 supports S3-compatible object storage only."
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- content: "False"
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isCorrect: true
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explanation: "SQL Server 2025 supports S3-compatible object storage only."

‎learn-pr/sqlserver/sql-server-data-virtualization/3-polybase-credentials-data-sources.yml‎

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durationInMinutes: 6
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content: |
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[!include[](includes/3-polybase-credentials-data-sources.md)]
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quiz:
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title: Knowledge check - Choose the best answer
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questions:
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- content: "SQL Server 2025 can access external data sources by:"
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choices:
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- content: "A. Using REST API to S3-compatible object storage providers."
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isCorrect: false
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explanation: "SQL Server 2025 can also query Delta table files on REST API data sources from a SELECT."
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- content: "B. Querying Delta table files."
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isCorrect: false
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explanation: "SQL Server 2025 can also access S3-compatible object storage providers through REST API."
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- content: "C. Accessing Parquet files on Open Database Connectivity (ODBC)-compatible data sources."
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isCorrect: false
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explanation: "SQL Server 2025 can access Parquet files only on data sources that use the REST API connectors, not generic ODBC."
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- content: "D. A and B."
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isCorrect: true
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explanation: "SQL Server 2025 can access S3-compatible object providers and query Delta table files through REST API."
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- content: "PolyBase allows SQL Server to connect to:"
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choices:
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- content: "A. SQL Server."
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isCorrect: false
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explanation: "PolyBase also allows SQL Server to connect to Oracle, Azure Blob Storage, Azure Data Lake Storage, and Teradata."
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- content: "B. Oracle."
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isCorrect: false
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explanation: "PolyBase also allows SQL Server to connect to SQL Server, Azure Blob Storage, Azure Data Lake Storage, and Teradata."
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- content: "C. Azure Blob Storage."
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isCorrect: false
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explanation: "PolyBase also allows SQL Server to connect to SQL Server, Oracle, Azure Data Lake Storage, and Teradata."
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- content: "D. Azure Data Lake Storage."
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isCorrect: false
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explanation: "PolyBase also allows SQL Server to connect to SQL Server, Oracle, Azure Blob Storage, and Teradata."
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- content: "E. Teradata."
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isCorrect: false
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explanation: "PolyBase also allows SQL Server to connect to SQL Server, Oracle, Azure Blob Storage, and Azure Data Lake Storage."
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- content: "F. A, B, C, D, and E."
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isCorrect: true
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explanation: "PolyBase allows SQL Server to connect to SQL Server, Oracle, Azure Blob Storage, Azure Data Lake Storage, Teradata, and more."

‎learn-pr/sqlserver/sql-server-data-virtualization/8-knowledge-check.yml‎

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### YamlMime:ModuleUnit
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uid: learn.wwl.sql-server-data-virtualization.knowledge-check
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title: "Module assessment"
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metadata:
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title: "Knowledge check"
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description: "Knowledge check"
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ms.date: 02/26/2026
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author: HugoMSFT
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ms.author: hudequei
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ms.topic: unit
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ms.custom:
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- build-2023
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module_assessment: true
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durationInMinutes: 3
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content: "Choose the best response for each of the following questions."
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quiz:
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title: Knowledge check - Choose the best answer
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questions:
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- content: "SQL Server 2025 can access external data sources by:"
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choices:
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- content: "A. Using REST API to S3-compatible object storage providers."
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isCorrect: false
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explanation: "SQL Server 2025 can also query Delta table files on REST API data sources from a SELECT."
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- content: "B. Querying Delta table files."
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isCorrect: false
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explanation: "SQL Server 2025 can also access S3-compatible object storage providers through REST API."
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- content: "C. A and B."
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isCorrect: true
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explanation: "SQL Server 2025 can access S3-compatible object providers and query Delta table files through REST API."
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- content: "PolyBase allows SQL Server to connect to:"
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choices:
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- content: "A. SQL Server."
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isCorrect: false
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explanation: "PolyBase also allows SQL Server to connect to Oracle, Azure Blob Storage, Azure Data Lake Storage, and Teradata."
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- content: "B. Oracle."
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isCorrect: false
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explanation: "PolyBase also allows SQL Server to connect to SQL Server, Azure Blob Storage, Azure Data Lake Storage, and Teradata."
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- content: "C. Azure Blob Storage."
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isCorrect: false
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explanation: "PolyBase also allows SQL Server to connect to SQL Server, Oracle, Azure Data Lake Storage, and Teradata."
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- content: "D. Azure Data Lake Storage."
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isCorrect: false
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explanation: "PolyBase also allows SQL Server to connect to SQL Server, Oracle, Azure Blob Storage, and Teradata."
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- content: "E. Teradata."
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isCorrect: false
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explanation: "PolyBase also allows SQL Server to connect to SQL Server, Oracle, Azure Blob Storage, and Azure Data Lake Storage."
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- content: "F. A, B, C, D, and E."
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isCorrect: true
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explanation: "PolyBase allows SQL Server to connect to SQL Server, Oracle, Azure Blob Storage, Azure Data Lake Storage, Teradata, and more."

learn-pr/sqlserver/sql-server-data-virtualization/8-summary.yml renamed to learn-pr/sqlserver/sql-server-data-virtualization/9-summary.yml

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- build-2023
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durationInMinutes: 2
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content: |
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[!include[](includes/8-summary.md)]
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[!include[](includes/9-summary.md)]

‎learn-pr/sqlserver/sql-server-data-virtualization/index.yml‎

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- learn.wwl.sql-server-data-virtualization.exercise-connect-azure-sql-database-use-polybase
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- learn.wwl.sql-server-data-virtualization.create-external-table-as-select
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- learn.wwl.sql-server-data-virtualization.exercise-create-external-table-as-select
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- learn.wwl.sql-server-data-virtualization.knowledge-check
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- learn.wwl.sql-server-data-virtualization.summary
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badge:
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uid: learn.wwl.sql-server-data-virtualization.badge

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