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Free Microsoft DP-300 Exam Questions (page: 3)

Page 3 of 54
PDF with 418 Questions

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.

After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You have an Azure Synapse Analytics dedicated SQL pool that contains a table named Table1.

You have files that are ingested and loaded into an Azure Data Lake Storage Gen2 container named container1.

You plan to insert data from the files into Table1 and transform the data. Each row of data in the files will produce one row in the serving layer of Table1.

You need to ensure that when the source data files are loaded to container1, the DateTime is stored as an additional column in Table1.

Solution: You use an Azure Synapse Analytics serverless SQL pool to create an external table that has an additional DateTime column.

Does this meet the goal?

  1. Yes
  2. No

Answer(s): B

Explanation:

This is not about an external table.
Instead, in an Azure Synapse Analytics pipeline, you use a Get Metadata activity that retrieves the DateTime of the files.
Note: You can use the Get Metadata activity to retrieve the metadata of any data in Azure Data Factory or a Synapse pipeline. You can use the output from the Get Metadata activity in conditional expressions to perform validation, or consume the metadata in subsequent activities.


Reference:

https://docs.microsoft.com/en-us/azure/data-factory/control-flow-get-metadata-activity



Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.

After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You have an Azure Synapse Analytics dedicated SQL pool that contains a table named Table1.

You have files that are ingested and loaded into an Azure Data Lake Storage Gen2 container named container1.

You plan to insert data from the files into Table1 and transform the data. Each row of data in the files will produce one row in the serving layer of Table1.

You need to ensure that when the source data files are loaded to container1, the DateTime is stored as an additional column in Table1.

Solution: You use a dedicated SQL pool to create an external table that has an additional DateTime column.

Does this meet the goal?

  1. Yes
  2. No

Answer(s): B

Explanation:

Instead, in an Azure Synapse Analytics pipeline, you use a Get Metadata activity that retrieves the DateTime of the files.
Note: You can use the Get Metadata activity to retrieve the metadata of any data in Azure Data Factory or a Synapse pipeline. You can use the output from the Get Metadata activity in conditional expressions to perform validation, or consume the metadata in subsequent activities.


Reference:

https://docs.microsoft.com/en-us/azure/data-factory/control-flow-get-metadata-activity



HOTSPOT (Drag and Drop is not supported)

You are provisioning an Azure SQL database in the Azure portal as 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:

  1. See Explanation section for answer.

Answer(s): A

Explanation:





Box 1: no extra time
Auto Pause is not checked in the exhibit.

Note: If Auto Pause is checked the correct answer is: up to one minute

Box 2: intermittent and unpredictable


Reference:

https://docs.microsoft.com/en-us/azure/azure-sql/database/serverless-tier-overview



You plan to deploy an app that includes an Azure SQL database and an Azure web app. The app has the following requirements:

The web app must be hosted on an Azure virtual network.

The Azure SQL database must be assigned a private IP address.

The Azure SQL database must allow connections only from a specific virtual network.

You need to recommend a solution that meets the requirements.

What should you include in the recommendation?

  1. Azure Private Link
  2. a network security group (NSG)
  3. a database-level firewall
  4. a server-level firewall

Answer(s): A

Explanation:

Private Link allows you to connect to various PaaS services in Azure via a private endpoint.
A private endpoint is a private IP address within a specific VNet and subnet.


Reference:

https://docs.microsoft.com/en-us/azure/azure-sql/database/private-endpoint-overview



You are planning a solution that will use Azure SQL Database. Usage of the solution will peak from October 1 to January 1 each year.

During peak usage, the database will require the following:

24 cores

500 GB of storage

124 GB of memory

More than 50,000 IOPS

During periods of off-peak usage, the service tier of Azure SQL Database will be set to Standard.

Which service tier should you use during peak usage?

  1. Business Critical
  2. Premium
  3. Hyperscale

Answer(s): A


Reference:

https://docs.microsoft.com/en-us/azure/azure-sql/database/resource-limits-vcore-single-databases#business- critical---provisioned-compute---gen4



HOTSPOT (Drag and Drop is not supported)

You have an Azure subscription.

You need to deploy an Azure SQL resource that will support cross database queries by using an Azure Resource Manager (ARM) template.

How should you complete the ARM template? To answer, select the appropriate options in the answer area.

Note: Each correct selection is worth one point.

Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:





Box 1: Microsoft.Sql/managedInstances
The Managed Instance depends on the Virtual Network.


Reference:

https://docs.microsoft.com/en-us/azure/azure-sql/managed-instance/create-template-quickstart?tabs=azure- powershell



HOTSPOT (Drag and Drop is not supported)

You have the following Azure Resource Manager template.



For each of the following statements, select Yes if the statement is true. Otherwise, select No.

Note: Each correct selection is worth one point.

Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:


Reference:

https://docs.microsoft.com/en-us/azure/azure-sql/database/purchasing-models https://docs.microsoft.com/en-us/azure/azure-sql/database/single-database-create-arm-template-quickstart



HOTSPOT (Drag and Drop is not supported)

You have an on-premises Microsoft SQL Server 2019 instance that hosts a database named DB1.

You plan to perform an online migration of DB1 to an Azure SQL managed instance by using the Azure Database Migration Service.

You need to create a backup of DB1 that is accessible to the Azure Database Migration Service.

What should you run for the backup and where should you store the backup? To answer, select the appropriate options in the answer area.

Note: Each correct selection is worth one point.

Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:





Box 1: ..with CHECKSUM option
Azure Database Migration Service does not initiate any backups, and instead uses existing backups, which you may already have as part of your disaster recovery plan, for the migration. Be sure that you take backups using the WITH CHECKSUM option.

Box 2: An SMB share
For online migrations from SQL Server to SQL Managed Instance using Azure Database Migration Service, you must provide the full database backup and subsequent log backups in the SMB network share that the service can use to migrate your databases.


Reference:

https://docs.microsoft.com/en-us/azure/dms/tutorial-sql-server-managed-instance-online



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