Microsoft DP-300 real exam prep : Administering Relational Databases on Microsoft Azure

  • Exam Code: DP-300
  • Exam Name: Administering Relational Databases on Microsoft Azure
  • Updated: Nov 07, 2026
  • Q&As: 434 Questions and Answers

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Certification Path and Prerequisites

Microsoft DP-300 is the exam that every candidate is mandated to pass in order to get the Microsoft Certified: Azure Database Administrator Associate certification. It proves that one has the skills to deploy, install and administer databases in Microsoft Azure.

The main role of Azure Database Administrators is to implement and manage operational features of hybrid data platform and cloud-native solutions. Therefore, one should be skilled in using various methods and tools to perform day-to-day operations. In addition, the ideal candidates for this test should have a profound understating on all the fundamental concepts in this area and understand how to utilize T-SQL.

Reference: https://learn.microsoft.com/en-us/credentials/certifications/azure-database-administrator-associate/?practice-assessment-type=certification

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The Microsoft DP-300: Administering Relational Databases on Microsoft Azure exam is a qualifying test that the individuals must pass to obtain the Microsoft Certified: Azure Database Administrator Associate certification. The intended candidates for this exam are the specialists in data management and database administrators. They manage and implement the operational components of hybrid and Cloud-native data platform solution options that are created on SQL Server and Azure Data Services. These professionals use different tools and methods to carry out their daily business operations. These include the application of knowledge of the use of T-SQL for different purposes, including administrative management.

The Microsoft DP-300 is also known as Administering Relational Databases on Microsoft Azure. It is a broad step towards emerging as a top-notch Microsoft accredited Azure Database Administrator Associate. As a rule, this test has mainly been conducted to check out an aspirant’s capability to perform countless tasks, such as implementing a safe environment, analyzing and improving various operational supplies, improving query performance, performing administration by utilizing T-SQL, planning, incorporating resources of data platform, and finally accomplishing automation of tasks.

Exam DP-300 focuses on administering relational databases on Microsoft Azure. It is designed for database administrators and data management specialists who are involved in handling cloud relational databases and on-premises ones developed on Microsoft Azure Data and Microsoft SQL Server services.

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Microsoft DP-300 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Plan and configure high availability and disaster recovery20–25%- Implement backup and restore
  • 1. Perform point-in-time and long-term retention restores
    • 2. Manage backup storage and costs
      • 3. Configure automated backups and retention
        - Configure high availability solutions
        • 1. Test and monitor HA/DR operations
          • 2. Implement failover groups and auto-failover
            • 3. Configure Always On availability groups
              - Design HA/DR strategy
              • 1. Evaluate hybrid and cross-region options
                • 2. Define RPO and RTO requirements
                  • 3. Choose between built-in and custom solutions
                    Topic 2: Plan and implement data platform resources15–20%- Deploy database resources
                    • 1. Deploy Azure SQL Database, Managed Instance, and SQL Server on Azure VMs
                      • 2. Configure resources for scale and performance
                        • 3. Automate deployment using templates, PowerShell, or CLI
                          - Implement migration strategies
                          • 1. Perform offline and online migrations
                            • 2. Evaluate migration requirements and strategies
                              • 3. Migrate between Azure services or from on-premises
                                - Plan deployment of database offerings
                                • 1. Evaluate deployment options for Azure SQL services
                                  • 2. Identify use cases for hybrid and multi-cloud solutions
                                    • 3. Plan for scalability and performance requirements
                                      Topic 3: Monitor and optimize operational resources15–20%- Monitor database performance and health
                                      • 1. Identify and diagnose performance issues
                                        • 2. Use Azure Monitor, SQL Insights, and metrics
                                          • 3. Set up alerts and notifications
                                            - Automate maintenance and operations
                                            • 1. Schedule and perform updates and patches
                                              • 2. Manage database lifecycle operations
                                                • 3. Automate tasks using jobs, scripts, or Logic Apps
                                                  - Optimize resource consumption
                                                  • 1. Adjust compute, storage, and tier settings
                                                    • 2. Manage costs and licensing
                                                      • 3. Implement auto-scaling and elasticity
                                                        Topic 4: Implement a secure environment20–25%- Implement compliance and security controls
                                                        • 1. Configure auditing and logging
                                                          • 2. Assess and remediate vulnerabilities
                                                            • 3. Implement data masking and classification
                                                              - Configure authentication and authorization
                                                              • 1. Manage database users, roles, and permissions
                                                                • 2. Apply least privilege principle
                                                                  • 3. Implement Microsoft Entra ID authentication
                                                                    - Secure data at rest and in transit
                                                                    • 1. Configure encryption for connections and data transfer
                                                                      • 2. Manage keys and certificates
                                                                        • 3. Implement Transparent Data Encryption
                                                                          Topic 5: Optimize query performance15–20%- Analyze query execution plans
                                                                          • 1. Interpret execution plans and statistics
                                                                            • 2. Identify bottlenecks and inefficiencies
                                                                              • 3. Evaluate index usage and design
                                                                                - Improve query performance
                                                                                • 1. Create and modify indexes
                                                                                  • 2. Optimize T-SQL code and constructs
                                                                                    • 3. Use query store and performance tuning tools
                                                                                      - Manage workload performance
                                                                                      • 1. Troubleshoot slow-running queries
                                                                                        • 2. Control resource usage and concurrency
                                                                                          • 3. Implement partitioning and compression

                                                                                            Microsoft Administering Relational Databases on Microsoft Azure Sample Questions:

                                                                                            Question #1

                                                                                            You have an Azure subscription linked to a Microsoft Entra tenant. The subscription contains 10 virtual machines that run Windows Server 2019 and host Microsoft SQL Server 2022 instances.
                                                                                            You need to ensure that you can manage the SQL Server instances by using a single user account.
                                                                                            What should you do first?

                                                                                            • A. Enable a system-assigned managed identity on each virtual machine.
                                                                                            • B. Enable a user-assigned managed identity on each virtual machine.
                                                                                            • C. Deploy a Microsoft Entra Domain Services domain and join the virtual machines to the domain.
                                                                                            • D. Join the virtual machines to the Microsoft Entra tenant.
                                                                                            Reveal Solution  Discussion  0

                                                                                            Correct Answer: C  🗳️

                                                                                            Question #2

                                                                                            You have an Azure Synapse Analytics dedicated SQL pool named Pool1 and an Azure Data Lake Storage Gen2 account named Account1.
                                                                                            You plan to access the files in Account1 by using an external table.
                                                                                            You need to create a data source in Pool1 that you can reference when you create the external table.
                                                                                            How should you complete the Transact-SQL statement? To answer, select the appropriate options in the answer area.
                                                                                            NOTE: Each correct selection is worth one point.

                                                                                            Reveal Solution  Discussion  0

                                                                                            Correct Answer:


                                                                                            Explanation:

                                                                                            Box 1: blob
                                                                                            The following example creates an external data source for Azure Data Lake Gen2 CREATE EXTERNAL DATA SOURCE YellowTaxi WITH ( LOCATION = ' https://azureopendatastorage.blob.core.windows.net/nyctlc/yellow/ ' , TYPE = HADOOP) Box 2: HADOOP Reference:
                                                                                            https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/develop-tables-external-tables Basic Concept: This question tests monitor, configure, and optimize database resources in the DP-300 exam context. The correct choice is determined by the exact service boundary and operational requirement stated in the scenario.
                                                                                            Why the selected answer is Correct: The selected values fit this scenario because they apply the required Azure SQL configuration at the correct scope and sequence: You need to create a data source in Pool1 that you can reference when you create the external table.
                                                                                            Why the alternate choices are Wrong: The alternate selections apply to different administrative stages or different scopes. In a hotspot or drag-drop task, order and scope are part of the answer, so a technically valid Azure feature can still be wrong if it is placed in the wrong step.

                                                                                            Question #3

                                                                                            You have a database named db1.
                                                                                            The log for db1 contains the following entry.

                                                                                            You need to ensure That db1 can process transactions.

                                                                                            Reveal Solution  Discussion  0

                                                                                            Correct Answer:


                                                                                            Explanation:
                                                                                            Basic Concept: This question tests plan and configure a high availability and disaster recovery (ha/dr) environment in the DP-300 exam context. The correct choice is determined by the exact service boundary and operational requirement stated in the scenario.
                                                                                            Why the selected answer is Correct: The selected values fit this scenario because they apply the required Azure SQL configuration at the correct scope and sequence: You need to ensure That db1 can process transactions.
                                                                                            Why the alternate choices are Wrong: The alternate selections apply to different administrative stages or different scopes. In a hotspot or drag-drop task, order and scope are part of the answer, so a technically valid Azure feature can still be wrong if it is placed in the wrong step.

                                                                                            Question #4

                                                                                            You need to implement the monitoring of SalesSQLDb1. The solution must meet the technical requirements.
                                                                                            How should you collect and stream metrics? To answer, select the appropriate options in the answer area.
                                                                                            NOTE: Each correct selection is worth one point.

                                                                                            Reveal Solution  Discussion  0

                                                                                            Correct Answer:


                                                                                            Explanation:

                                                                                            Box 1: The server, the elastic pool, and the database
                                                                                            Senario:
                                                                                            SalesSQLDb1 is in an elastic pool named SalesSQLDb1Pool.
                                                                                            Litware technical requirements include: all SQL Server and Azure SQL Database metrics related to CPU and storage usage and limits must be analyzed by using Azure built-in functionality.
                                                                                            Box 2: Azure Event hubs
                                                                                            Scenario: Migrate ManufacturingSQLDb1 to the Azure virtual machine platform.
                                                                                            Event hubs are able to handle custom metrics.
                                                                                            Basic Concept: This question tests Azure monitoring and performance management, including which metric, log destination, or alerting behavior fits the operational requirement.
                                                                                            Why the selected answer is Correct: The selected values fit this scenario because they apply the required Azure SQL configuration at the correct scope and sequence: You need to implement the monitoring of SalesSQLDb1.
                                                                                            Why the alternate choices are Wrong: The alternate destinations or collection scopes miss part of the telemetry requirement: they either omit the server/pool/database layer or send data somewhere that does not support the requested analysis path.

                                                                                            Question #5

                                                                                            You have an Azure Data Factory instance named ADF1 and two Azure Synapse Analytics workspaces named WS1 and WS2.
                                                                                            ADF1 contains the following pipelines:
                                                                                            P1:Uses a copy activity to copy data from a nonpartitioned table in a dedicated SQL pool of WS1 to an Azure Data Lake Storage Gen2 account P2:Uses a copy activity to copy data from text-delimited files in an Azure Data Lake Storage Gen2 account to a nonpartitioned table in a dedicated SQL pool of WS2 You need to configure P1 and P2 to maximize parallelism and performance.
                                                                                            Which dataset settings should you configure for the copy activity of each pipeline? To answer, select the appropriate options in the answer area.

                                                                                            Reveal Solution  Discussion  0

                                                                                            Correct Answer:


                                                                                            Explanation:

                                                                                            P1: Set the Partition option to Dynamic Range.
                                                                                            The SQL Server connector in copy activity provides built-in data partitioning to copy data in parallel.
                                                                                            P2: Set the Copy method to PolyBase
                                                                                            Polybase is the most efficient way to move data into Azure Synapse Analytics. Use the staging blob feature to achieve high load speeds from all types of data stores, including Azure Blob storage and Data Lake Store.
                                                                                            (Polybase supports Azure Blob storage and Azure Data Lake Store by default.) Reference:
                                                                                            https://docs.microsoft.com/en-us/azure/data-factory/connector-azure-sql-data-warehouse
                                                                                            https://docs.microsoft.com/en-us/azure/data-factory/load-azure-sql-data-warehouse

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