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Microsoft DP-300 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: 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. 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. Evaluate deployment options for Azure SQL services
                  • 3. Plan for scalability and performance requirements
                    Topic 2: Implement a secure environment20–25%- Secure data at rest and in transit
                    • 1. Implement Transparent Data Encryption
                      • 2. Manage keys and certificates
                        • 3. Configure encryption for connections and data transfer
                          - Configure authentication and authorization
                          • 1. Implement Microsoft Entra ID authentication
                            • 2. Manage database users, roles, and permissions
                              • 3. Apply least privilege principle
                                - Implement compliance and security controls
                                • 1. Configure auditing and logging
                                  • 2. Assess and remediate vulnerabilities
                                    • 3. Implement data masking and classification
                                      Topic 3: 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. Set up alerts and notifications
                                                    • 2. Use Azure Monitor, SQL Insights, and metrics
                                                      • 3. Identify and diagnose performance issues
                                                        Topic 4: Plan and configure high availability and disaster recovery20–25%- Design HA/DR strategy
                                                        • 1. Define RPO and RTO requirements
                                                          • 2. Evaluate hybrid and cross-region options
                                                            • 3. Choose between built-in and custom solutions
                                                              - Implement backup and restore
                                                              • 1. Manage backup storage and costs
                                                                • 2. Perform point-in-time and long-term retention restores
                                                                  • 3. Configure automated backups and retention
                                                                    - Configure high availability solutions
                                                                    • 1. Test and monitor HA/DR operations
                                                                      • 2. Configure Always On availability groups
                                                                        • 3. Implement failover groups and auto-failover
                                                                          Topic 5: 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. Use query store and performance tuning tools
                                                                                    • 3. Optimize T-SQL code and constructs
                                                                                      - Analyze query execution plans
                                                                                      • 1. Identify bottlenecks and inefficiencies
                                                                                        • 2. Evaluate index usage and design
                                                                                          • 3. Interpret execution plans and statistics

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                                                                                            Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q311-Q316):

                                                                                            NEW QUESTION # 311
                                                                                            You have an Azure SQL database named DB1.
                                                                                            You need to ensure that DB1 will support automatic failover without data loss if a datacenter fails. The solution must minimize costs.
                                                                                            Which deployment option and pricing tier should you configure?

                                                                                            Answer: C

                                                                                            Explanation:
                                                                                            Explanation
                                                                                            By default, the cluster of nodes for the premium availability model is created in the same datacenter. With the introduction of Azure Availability Zones, SQL Database can place different replicas of the Business Critical database to different availability zones in the same region. To eliminate a single point of failure, the control ring is also duplicated across multiple zones as three gateway rings (GW). The routing to a specific gateway ring is controlled by Azure Traffic Manager (ATM). Because the zone redundant configuration in the Premium or Business Critical service tiers does not create additional database redundancy, you can enable it at no extra cost. By selecting a zone redundant configuration, you can make your Premium or Business Critical databases resilient to a much larger set of failures, including catastrophic datacenter outages, without any changes to the application logic. You can also convert any existing Premium or Business Critical databases or pools to the zone redundant configuration.
                                                                                            Reference:
                                                                                            https://docs.microsoft.com/en-us/azure/azure-sql/database/high-availability-sla


                                                                                            NEW QUESTION # 312
                                                                                            You have an Azure SQL database.
                                                                                            You are reviewing a slow performing query 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:

                                                                                            Explanation:

                                                                                            Reference:
                                                                                            https://docs.microsoft.com/en-us/sql/relational-databases/performance/live-query-statistics?view=sql-server- ver15 Basic Concept: This question tests database auditing and query visibility. DP-300 expects you to distinguish between collecting audit events, retaining logs, and analyzing query behavior.
                                                                                            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 have an Azure SQL database.
                                                                                            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.


                                                                                            NEW QUESTION # 313
                                                                                            You have an Azure SQL database named db1 that contains an Azure Active Directory (Azure AD) user named user1.
                                                                                            You need to test impersonation of user1 in db1 by running a SELECT statement and returning to the original execution context.
                                                                                            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:

                                                                                            Explanation:

                                                                                            Reference:
                                                                                            https://docs.microsoft.com/en-us/sql/t-sql/statements/execute-as-transact-sql?view=sql-server-ver15
                                                                                            https://docs.microsoft.com/en-us/sql/t-sql/functions/suser-sname-transact-sql?view=sql-server-ver15


                                                                                            NEW QUESTION # 314
                                                                                            You have an Azure SQL database named DB1. DB1 contains a table that has a column named Col1.
                                                                                            You need to encrypt the data in Col1.
                                                                                            Which four actions should you perform for DB1 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

                                                                                            Table Description automatically generated
                                                                                            Reference:
                                                                                            https://www.sqlshack.com/an-overview-of-the-column-level-sql-server-encryption/


                                                                                            NEW QUESTION # 315
                                                                                            You create a new Azure SQL managed instance named SQL1 and enable Database Mail extended stored You need to ensure that SQ Server Agent jobs running on SQL 1 can notify when a failure Occurs Which three actions should you perform in sequence 7 TO answer. move the appropriate actions from the list Of actions to answer area and arrange them in correct order.

                                                                                            Answer:

                                                                                            Explanation:

                                                                                            1 - Create Database Mail account.
                                                                                            2 - Create a pfofile named AzureManagedInstance_dbmail_pfofile.
                                                                                            3 - Enable email notifications upon failure.


                                                                                            NEW QUESTION # 316
                                                                                            ......

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