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Microsoft DP-300 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Optimize query performance15–20%- Manage workload performance
  • 1. Implement partitioning and compression
    • 2. Troubleshoot slow-running queries
      • 3. Control resource usage and concurrency
        - Analyze query execution plans
        • 1. Evaluate index usage and design
          • 2. Identify bottlenecks and inefficiencies
            • 3. Interpret execution plans and statistics
              - Improve query performance
              • 1. Create and modify indexes
                • 2. Optimize T-SQL code and constructs
                  • 3. Use query store and performance tuning tools
                    Topic 2: 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. Implement Transparent Data Encryption
                                    • 3. Manage keys and certificates
                                      Topic 3: Plan and configure high availability and disaster recovery20–25%- 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. Choose between built-in and custom solutions
                                              • 2. Define RPO and RTO requirements
                                                • 3. Evaluate hybrid and cross-region options
                                                  - Implement backup and restore
                                                  • 1. Manage backup storage and costs
                                                    • 2. Configure automated backups and retention
                                                      • 3. Perform point-in-time and long-term retention restores
                                                        Topic 4: Monitor and optimize operational resources15–20%- Optimize resource consumption
                                                        • 1. Adjust compute, storage, and tier settings
                                                          • 2. Implement auto-scaling and elasticity
                                                            • 3. Manage costs and licensing
                                                              - Automate maintenance and operations
                                                              • 1. Manage database lifecycle operations
                                                                • 2. Schedule and perform updates and patches
                                                                  • 3. Automate tasks using jobs, scripts, or Logic Apps
                                                                    - Monitor database performance and health
                                                                    • 1. Set up alerts and notifications
                                                                      • 2. Use Azure Monitor, SQL Insights, and metrics
                                                                        • 3. Identify and diagnose performance issues
                                                                          Topic 5: Plan and implement data platform resources15–20%- Implement migration strategies
                                                                          • 1. Migrate between Azure services or from on-premises
                                                                            • 2. Perform offline and online migrations
                                                                              • 3. Evaluate migration requirements and strategies
                                                                                - Plan deployment of database offerings
                                                                                • 1. Plan for scalability and performance requirements
                                                                                  • 2. Evaluate deployment options for Azure SQL services
                                                                                    • 3. Identify use cases for hybrid and multi-cloud solutions
                                                                                      - Deploy database resources
                                                                                      • 1. Configure resources for scale and performance
                                                                                        • 2. Automate deployment using templates, PowerShell, or CLI
                                                                                          • 3. Deploy Azure SQL Database, Managed Instance, and SQL Server on Azure VMs

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                                                                                            Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q144-Q149):

                                                                                            NEW QUESTION # 144
                                                                                            You have an Azure subscription that contains an instance of SQL Server on Azure Virtual Machines. The virtual machine hosts a database named DB1. You need to monitor DB1 by using Extended Events. The solution must meet the following requirements:
                                                                                            * Capture raw event data and store the data in Azure Storage.
                                                                                            * Minimize the performance impact of capturing extended events.
                                                                                            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.

                                                                                            Answer:

                                                                                            Explanation:


                                                                                            NEW QUESTION # 145
                                                                                            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 SQL Server 2019 on an Azure virtual machine.
                                                                                            You are troubleshooting performance issues for a query in a SQL Server instance.
                                                                                            To gather more information, you query sys.dm_exec_requests and discover that the wait type is PAGELATCH_UP and the wait_resource is 2:3:905856.
                                                                                            You need to improve system performance.
                                                                                            Solution: You shrink the transaction log file.
                                                                                            Does this meet the goal?

                                                                                            Answer: A

                                                                                            Explanation:
                                                                                            You should instead reduce the use of table variables and temporary tables.
                                                                                            Or you could create additional tempdb files.
                                                                                            Note: The following operations use tempdb extensively:
                                                                                            * Repetitive create-and-drop operation of temporary tables (local or global).
                                                                                            * Table variables that use tempdb for storage.
                                                                                            * Etc.
                                                                                            Reference:
                                                                                            https://docs.microsoft.com/en-US/troubleshoot/sql/performance/recommendations-reduce-allocation-contention


                                                                                            NEW QUESTION # 146
                                                                                            You have a burstable Azure virtual machine named VMI that hosts an instance of Microsoft SQL Server.
                                                                                            You need to attach an Azure ultra disk to VMI. The solution must minimize downtime on VMI.
                                                                                            In which order should you perform the actions? To answer, move all actions from the list of actions to the answer area and arrange them in the correct order.

                                                                                            Answer:

                                                                                            Explanation:

                                                                                            Explanation


                                                                                            NEW QUESTION # 147
                                                                                            SIMULATION
                                                                                            You plan to create an automation runbook that will create database users in db1 from Azure AD identities.
                                                                                            You need to configure sql12345678 to support the creation of new database users.
                                                                                            To complete this task, sign in to the virtual machine. You may need to use SQL Server Management Studio and the Azure portal.

                                                                                            Answer:

                                                                                            Explanation:


                                                                                            NEW QUESTION # 148
                                                                                            You have an Azure SQL database named DB1 that has default configurations.
                                                                                            You review the Data Discovery & Classification blade for D61 as shown in the following exhibit.

                                                                                            You need lo identify the process for creating a custom sensitivity label and assigning it to the CustomerlD column. Which two actions should you perform? Each correct answer presents part of the solution. NOTE:
                                                                                            Each correct answer is worth one point

                                                                                            Answer: C,E


                                                                                            NEW QUESTION # 149
                                                                                            ......

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