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Microsoft DP-300 Exam Syllabus Topics:

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

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                                                                                            Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q44-Q49):

                                                                                            NEW QUESTION # 44
                                                                                            You have an Azure SQL Database managed instance named sqldbmi1 that contains a database name Sales.
                                                                                            You need to initiate a backup of Sales.
                                                                                            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:

                                                                                            Reference:
                                                                                            https://techcommunity.microsoft.com/t5/azure-sql-database/native-database-backup-in-azure-sql-managed-instance/ba-p/386154


                                                                                            NEW QUESTION # 45
                                                                                            You have an Azure subscription that contains the resources shown in the following table.

                                                                                            You need to back up db1 to mysqlbackups, and then restore the backup to a new database named db2 that is hosted on SQL1. The solution must ensure that db1 is backed up to a stripe set.
                                                                                            Which three Transact-SQL statements should you execute in sequence? To answer, move the appropriate statements from the list of statements to the answer area and arrange them in the correct order.

                                                                                            Answer:

                                                                                            Explanation:

                                                                                            1 - Create Credential,,,,,,
                                                                                            2 - Backup Database db1,,,,,
                                                                                            3 - Restore Database bd2 From URL=,,,,,
                                                                                            Reference:
                                                                                            https://docs.microsoft.com/en-us/sql/relational-databases/backup-restore/sql-server-backup-to-url?view=sql-server-ver15


                                                                                            NEW QUESTION # 46
                                                                                            You have an Azure SQL database named that contains a table named Table1.
                                                                                            You run a query to bad data into Table1.
                                                                                            The performance Of Table1 during the load operation are shown in exhibit.

                                                                                            Answer:

                                                                                            Explanation:

                                                                                            Explanation:


                                                                                            NEW QUESTION # 47
                                                                                            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?

                                                                                            Answer: D

                                                                                            Explanation:
                                                                                            Basic Concept: This question tests choosing the correct Azure migration approach by matching the source platform, target service, downtime tolerance, and administrative effort.
                                                                                            Why D is Correct: Azure Database Migration Service is the managed migration service used to move database engines to Azure targets with online or offline migration modes depending on source and target support. This fits the case because the requested outcome is: What should you use to minimize downtime and data loss during the migration? The selected feature addresses that outcome directly rather than relying on a workaround.
                                                                                            Why A is Wrong: database mirroring is an Azure data-platform feature, but it must match the workload model, service tier, migration path, or deployment constraint described in the scenario. It would solve a neighboring problem, but not the deployment, sizing, or migration requirement in this item.
                                                                                            Why B is Wrong: distributed availability groups is an Azure data-platform feature, but it must match the workload model, service tier, migration path, or deployment constraint described in the scenario. It mismatches the target platform, migration method, compute tier, or deployment model described in the scenario, so it would not satisfy the workload as stated.
                                                                                            Why C is Wrong: Always On Availability Group is an Azure data-platform feature, but it must match the workload model, service tier, migration path, or deployment constraint described in the scenario. It applies to a different Azure data-platform design than the one the question is testing.


                                                                                            NEW QUESTION # 48
                                                                                            You create all of the tables and views for ResearchDB1.
                                                                                            You need to implement security for ResearchDB1. The solution must meet the security and compliance requirements.
                                                                                            Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

                                                                                            Answer:

                                                                                            Explanation:

                                                                                            Explanation
                                                                                            Graphical user interface, text, application Description automatically generated

                                                                                            Reference:
                                                                                            https://docs.microsoft.com/en-us/azure/azure-sql/database/always-encrypted-azure-key-vault-configure?tabs=azu


                                                                                            NEW QUESTION # 49
                                                                                            ......

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