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Microsoft DP-300 Exam Syllabus Topics:

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

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                                                                                            Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q100-Q105):

                                                                                            NEW QUESTION # 100
                                                                                            You have an Azure SQL database.
                                                                                            You have a query and the associated execution plan 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.

                                                                                            Answer:

                                                                                            Explanation:


                                                                                            NEW QUESTION # 101
                                                                                            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 # 102
                                                                                            You have an Azure SQL managed instance named Server1 and an Azure Blob Storage account named storage1 that contains Microsoft SQL Server database backup files.
                                                                                            You plan to use Log Replay Service to migrate the backup files from storage1 to Server1. The solution must use the highest level of security when connecting to storage1.
                                                                                            Which PowerShell cmdlet should you run, and which parameter should you specify to secure the connection?
                                                                                            To answer, select the appropriate options in the answer area.
                                                                                            NOTE: Each correct selection is worth one point.

                                                                                            Answer:

                                                                                            Explanation:

                                                                                            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 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: The solution must use the highest level of security when connecting to storage1.
                                                                                            Why the alternate choices are Wrong: The alternate selections would either use a migration tier that does not match the downtime requirement, choose a network resource that does not support the migration path, or add an unnecessary deployment component.


                                                                                            NEW QUESTION # 103
                                                                                            You have an Azure subscription that contains an Azure SQL managed instance, a database named db1, and an Azure web app named Appl. Appl uses db1.
                                                                                            You need to enable Resource Governor for a App1. The solution must meet the following requirements:
                                                                                            App1 must be able to consume all available CPU resources.
                                                                                            App1 must have at least half of the available CPU resources always available.
                                                                                            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 NOTE: More than one order of answer choices is correct. You will receive credit for any of the correct orders you select.

                                                                                            Answer:

                                                                                            Explanation:

                                                                                            1 - Create a resource pool that has the following configurations. MAX_CPU_PERCENT -100,,,,,,,
                                                                                            2 - Create a workload group.
                                                                                            3 - Create a classifier function in the master database.


                                                                                            NEW QUESTION # 104
                                                                                            You have an Azure subscription that contains an Azure SQL database named DB1.
                                                                                            You need to configure Query Store Capture Mode for DB1. The solution must meet the following requirements:
                                                                                            * Ensure that only queries that have significant resource consumption are tracked.
                                                                                            * Minimize administrative effort
                                                                                            To what should you set Query Store Capture Mode?

                                                                                            Answer: D


                                                                                            NEW QUESTION # 105
                                                                                            ......

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