Free DP-300 Practice Test – 2025 Updated

Your company uses Azure Stream Analytics to monitor devices.
The company plans to double the number of devices that are monitored.
You need to monitor a Stream Analytics job to ensure that there are enough processing resources to handle the additional load.
Which metric should you monitor?

You have an Azure Databricks resource.
You need to log actions that relate to changes in compute for the Databricks resource.
Which Databricks services should you log?

You have an Azure data solution that contains an enterprise data warehouse in Azure Synapse Analytics named DW1.
Several users execute adhoc queries to DW1 concurrently.
You regularly perform automated data loads to DW1.
You need to ensure that the automated data loads have enough memory available to complete quickly and successfully when the adhoc queries run.
What should you do?

You have an Azure virtual machine based on a custom image named VM1.
VM1 hosts an instance of Microsoft SQL Server 2019 Standard.
You need to automate the maintenance of VM1 to meet the following requirements:
✑ Automate the patching of SQL Server and Windows Server.
✑ Automate full database backups and transaction log backups of the databases on VM1.
✑ Minimize administrative effort.
What should you do first?

You have several Azure SQL databases on the same Azure SQL Database server in a resource group named ResourceGroup1.
You must be alerted when CPU usage exceeds 80 percent for any database. The solution must apply to any additional databases that are created on the Azure
SQL server.
Which resource type should you use to create the alert?

You have SQL Server 2019 on an Azure virtual machine that runs Windows Server 2019. The virtual machine has 4 vCPUs and 28 GB of memory.
You scale up the virtual machine to 16 vCPUSs and 64 GB of memory.
You need to provide the lowest latency for tempdb.
What is the total number of data files that tempdb should contain?

You have an Azure SQL database named sqldb1.
You need to minimize the possibility of Query Store transitioning to a read-only state.
What should you do?

You have an Azure subscription that contains the resources shown in the following table.

You have an Azure subscription.

You create a logical SQL server that hosts four databases. Each database will be used by a separate customer.

You need to ensure that each customer can access only its own database. The solution must minimize administrative effort.

Which two actions should you perform? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

You have an Azure subscription that contains an instance of SQL Server on an Azure virtual machine named SQLVM1 and a user named User1. SQLVM1 hosts a database named DB1.

You need to ensure that User1 can create a scheduled task to perform a full backup of DB1. The solution must use the principle of least privilege.

Which built-in database role should you assign to User1?

Your on-premises network contains a server that hosts a 60-TB database named DB1. The network has a 10-Mbps internet connection.

You need to migrate DB1 to Azure. The solution must minimize how long it takes to migrate the database.

What should you use?

You have an Azure SQL database named DB1.

You need to encrypt DB1. The solution must meet the following requirements:

• Encrypt data in motion.
• Support comparison operators.
• Provide randomized encryption.

What should you include in the solution?

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?

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: In an Azure Synapse Analytics pipeline, you use a Get Metadata activity that retrieves the DateTime of the files.
Does this meet the goal?

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?

You have a data warehouse in Azure Synapse Analytics.
You need to ensure that the data in the data warehouse is encrypted at rest.
What should you enable?

You are developing an application that uses Azure Data Lake Storage Gen 2.
You need to recommend a solution to grant permissions to a specific application for a limited time period.
What should you include in the recommendation?

You have an on-premises Microsoft SQL Server 2022 instance that hosts a 60-TB production database named DB1.
You plan to migrate DB1 to Azure.
You need to recommend a hosting solution for DB1.
Which Azure SQL Database service tier should you use to host DB1?

You have an Azure subscription.
You plan to deploy an instance of SQL Server on Azure Virtual Machines that supports Write Accelerator.
Which virtual machine series should you use?

You have an on-premises datacenter that contains a 2-TB Microsoft SQL Server 2019 database named DB1.
You need to recommend a solution to migrate DB1 to an Azure SQL managed instance. The solution must minimize downtime and administrative effort.
What should you include in the recommendation?

You have a Microsoft SQL Server 2017 server.
You need to migrate the server to Azure. The solution must meet the following requirements:
• Ensure that the latest version of SQL Server is used.
• Support the SQL Server Agent service.
• Minimize administrative effort.
What should you use?

You have an Azure subscription linked to an Azure Active Directory (Azure AD) tenant. The subscription contains 10 virtual machines that run Windows Server 2019 and host Microsoft SQL Server 2019 instances.
You need to ensure that you can manage the SQL Server instances by using a single user account.
What should you do first?

You have an Azure subscription.
You need to deploy an Azure SQL database. The solution must meet the following requirements:
• Dynamically scale CPU resources.
• Ensure that the database can be paused to reduce costs.
What should you use?

You have a SQL Server on Azure Virtual Machines instance named SQLVM1 that was deployed by using an Azure Marketplace SQL Server 2019 Enterprise image.
You need to change the Microsoft SQL Server instance on SQLVM1 to the Standard edition. The solution must ensure licensing compliance.
What should you do first?

You have two on-premises Microsoft SQL Server 2019 instances named SQL1 and SQL2.
You need to migrate the databases hosted on SQL1 to Azure. The solution must meet the following requirements:
• The service that hosts the migrated databases must be able to communicate with SQL2 by using linked server connections.
• Administrative effort must be minimized.
What should you use to host the databases?

You have an Azure SQL database named DB1.
You have a table name Table1 that has 20 columns of type CHAR(400). Row compression for Table1 is enabled.
During a database audit, you discover that none of the fields contain more than 150 characters.
You need to ensure that you can apply page compression to Table1.
What should you do?

You need to migrate an on-premises Microsoft SQL Server database to Azure SQL Database. The solution must minimize downtime.
What should you do?

You have an Azure subscription that contains an Azure SQL database. The database contains a table named tablet that uses partitioned columnstores.

You need to configure table1 to meet the following requirements:

• Each partition must be compressed.
• The compression ratio must be maximized.
• You must be able to index the compressed data.

What should you use?

You have an on-premises Microsoft SQL server that uses the FileTables and Filestream features.
You plan to migrate to Azure SQL.
Which service should you use?

You plan to build a structured streaming solution in Azure Databricks. The solution will count new events in five-minute intervals and report only events that arrive during the interval.
The output will be sent to a Delta Lake table.
Which output mode should you use?

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?

You have a SQL pool in Azure Synapse that contains a table named dbo.Customers. The table contains a column name Email.
You need to prevent nonadministrative users from seeing the full email addresses in the Email column. The users must see values in a format of [email protected] instead.
What should you do?

You are designing an anomaly detection solution for streaming data from an Azure IoT hub. The solution must meet the following requirements:
✑ Send the output to an Azure Synapse.
✑ Identify spikes and dips in time series data.
✑ Minimize development and configuration effort.
Which should you include in the solution?

You have an Azure Synapse Analytics workspace named WS1 that contains an Apache Spark pool named Pool1.
You plan to create a database named DB1 in Pool1.
You need to ensure that when tables are created in DB1, the tables are available automatically as external tables to the built-in serverless SQL pool.
Which format should you use for the tables in DB1?

You have an Azure Synapse Analytics Apache Spark pool named Pool1.
You plan to load JSON files from an Azure Data Lake Storage Gen2 container into the tables in Pool1. The structure and data types vary by file.
You need to load the files into the tables. The solution must maintain the source data types.
What should you do?

You have an Azure SQL database that contains a table named factSales. FactSales contains the columns shown in the following table.

FactSales has 6 billion rows and is loaded nightly by using a batch process. You must provide the greatest reduction in space for the database and maximize performance.
Which type of compression provides the greatest space reduction for the database?

You have a Microsoft SQL Server 2019 instance in an on-premises datacenter. The instance contains a 4-TB database named DB1.
You plan to migrate DB1 to an Azure SQL Database managed instance.
What should you use to minimize downtime and data loss during the migration?

You have an Azure virtual machine named VM1 on a virtual network named VNet1. Outbound traffic from VM1 to the internet is blocked.
You have an Azure SQL database named SqlDb1 on a logical server named SqlSrv1.
You need to implement connectivity between VM1 and SqlDb1 to meet the following requirements:
✑ Ensure that VM1 cannot connect to any Azure SQL Server other than SqlSrv1.
✑ Restrict network connectivity to SqlSrv1.
What should you create on VNet1?

You are designing an enterprise data warehouse in Azure Synapse Analytics that will contain a table named Customers. Customers will contain credit card information.
You need to recommend a solution to provide salespeople with the ability to view all the entries in Customers. The solution must prevent all the salespeople from viewing or inferring the credit card information.
What should you include in the recommendation?

You have an Azure subscription.
You plan to provision a single Azure SQL database.
You need to ensure that the database supports the autoscaling of compute resources.
Which service tier should you choose?

You have an Azure virtual machine named VM1 on a virtual network named VNet1. Outbound traffic from VM1 to the internet is blocked.
You have an Azure SQL database named SqlDb1 on a logical server named SqlSrv1.
You need to implement connectivity between VM1 and SqlDb1 to meet the following requirements:
✑ Ensure that all traffic to the public endpoint of SqlSrv1 is blocked.
✑ Minimize the possibility of VM1 exfiltrating data stored in SqlDb1.
What should you create on VNet1?

You have an Azure subscription.
You need to deploy an instance of SQL Server on Azure Virtual Machines. The solution must meet the following requirements:
• Custom performance configuration, such as IOPS, capacity, and throughout, must be supported.
• Costs must be minimized.
Which type of disk should you include in the solution?

You have an on-premises Microsoft SQL Server 2019 database named SQL1 that uses merge replication.
You need to migrate SQL1 to Azure.
Which service should you use?

You have an on-premises Microsoft SQL Server 2019 instance that hosts a database named DB1.
You have an Azure subscription that contains an Azure SQL database named SQLDB1.
You need to replicate DB1 to SQLDB1.
Which type of replication should you use?

You have an Azure subscription.
You need to deploy a new Azure SQL database by using Azure Command-Line Interface (CLI).
Which three parameters are required?

Your on-premises network contains a Microsoft SQL Server 2016 server that hosts a database named db1.
You have an Azure subscription.
You plan to migrate db1 to an Azure SQL managed instance.
You need to create the SQL managed instance. The solution must minimize the disk latency of the instance.
Which service tier should you use?

You have an on-premises Microsoft SQL Server 2019 server that hosts a database named DB1.
You have an Azure subscription that contains an Azure SQL managed instance named SQLMI1 and a virtual network named VNET1. SQLMI1 resides on VNET1.
The on-premises network connects to VNET1 by using an ExpressRoute connection.
You plan to migrate DB1 to SQLMI1 by using Azure Database Migration Service.
You need to configure VNET1 to support the migration.
What should you do?

You have an on-premises Microsoft SQL Server named SQL1 that hosts five databases.
You need to migrate the databases to an Azure SQL managed instance. The solution must minimize downtime and prevent data loss.
What should you use?

You have an Azure Databricks workspace named workspace1 in the Standard pricing tier. Workspace1 contains an all-purpose cluster named cluster1.
You need to reduce the time it takes for cluster1 to start and scale up. The solution must minimize costs.
What should you do first?

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?

You are designing a date dimension table in an Azure Synapse Analytics dedicated SQL pool. The date dimension table will be used by all the fact tables.
Which distribution type should you recommend to minimize data movement?

You are creating a new notebook in Azure Databricks that will support R as the primary language but will also support Scala and SQL.
Which switch should you use to switch between languages?

You have a Microsoft SQL Server 2019 database named DB1 that uses the following database-level and instance-level features.
✑ Clustered columnstore indexes
✑ Automatic tuning
✑ Change tracking
✑ PolyBase
You plan to migrate DB1 to an Azure SQL database.
What feature should be removed or replaced before DB1 can be migrated?

You are designing a streaming data solution that will ingest variable volumes of data.
You need to ensure that you can change the partition count after creation.
Which service should you use to ingest the data?