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Microsoft DP-300 Exam Syllabus Topics:

SectionObjectives
Optimize query performance- Analyze query performance
  • 1. Identify inefficient queries
    • 2. Use Query Store and execution plans
      - Improve performance
      • 1. Index optimization
        • 2. Query tuning techniques
          Perform automation- Automate database tasks
          • 1. Implement scheduled maintenance
            • 2. Use Azure Automation
              Monitor and optimize operational resources- Monitor database performance
              • 1. Identify performance bottlenecks
                • 2. Use Azure Monitor and Log Analytics
                  - Optimize resources
                  • 1. Tune performance configuration
                    • 2. Scale compute and storage
                      Plan and implement data platform resources- Plan and configure security for the data platform
                      • 1. Configure network security
                        • 2. Implement authentication and authorization
                          - Deploy and configure infrastructure
                          • 1. Configure compute and storage resources
                            • 2. Select appropriate Azure database services
                              Plan and implement a high availability and disaster recovery environment- Backup and restore
                              • 1. Point-in-time restore
                                • 2. Automated backups
                                  - Design HA/DR solutions
                                  • 1. Configure failover groups
                                    • 2. Implement geo-replication
                                      Implement a secure environment- Manage database authentication and authorization
                                      • 1. Manage database roles and permissions
                                        • 2. Configure Azure Active Directory authentication
                                          - Implement data protection
                                          • 1. Encryption at rest and in transit
                                            • 2. Data classification and auditing

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                                              Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q351-Q356):

                                              NEW QUESTION # 351
                                              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:

                                              Explanation


                                              NEW QUESTION # 352
                                              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 an Azure Data Lake Storage account that contains a staging zone.
                                              You need to design a daily process to ingest incremental data from the staging zone, transform the data by executing an R script, and then insert the transformed data into a data warehouse in Azure Synapse Analytics.
                                              Solution: You use an Azure Data Factory schedule trigger to execute a pipeline that executes an Azure Databricks notebook, and then inserts the data into the data warehouse.
                                              Does this meet the goal?

                                              Answer: A

                                              Explanation:
                                              Basic Concept: This question tests task automation for database administration, including which Azure or SQL mechanism can run repeatable maintenance and configuration work.
                                              Why B is Correct: No is correct because it is the feature whose normal purpose matches the stated requirement. No is part of the availability or recovery design space, but the correct choice must satisfy the specified failover, restore, quorum, RPO, or RTO requirement. The scenario wording points to that specific behavior: Each question in the series contains a unique solution that might meet the stated goals.
                                              Why A is Wrong: Yes is part of the availability or recovery design space, but the correct choice must satisfy the specified failover, restore, quorum, RPO, or RTO requirement. It does not meet the failover, restore, quorum, or cross-region continuity target stated in the question, even if it is valid in a different availability design.


                                              NEW QUESTION # 353
                                              You have an Azure Active Directory (Azure AD) tenant named contoso.com that contains a user named user1@contoso.com and an Azure SQL managed instance named SQLMI1.
                                              You need to ensure that user1@contoso.com can create logins in SQLMI1 that map to Azure AD service principals.
                                              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:

                                              Reference:
                                              https://docs.microsoft.com/en-us/azure/azure-sql/managed-instance/aad-security-configure-tutorial Basic Concept: This question tests identity and authentication for Azure SQL and SQL Server workloads, including when to use contained users, directory identities, certificate validation, or authentication profiles.
                                              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 user1@contoso.com can create logins in SQLMI1 that map to Azure AD service principals.
                                              Why the alternate choices are Wrong: The alternate actions fail because Entra authentication must be established at the server/administrator level first, then mapped to contained database users, and finally used by the client connection.


                                              NEW QUESTION # 354
                                              You have an Azure Data Lake Storage Gen2 container.
                                              Data is ingested into the container, and then transformed by a data integration application. The data is NOT modified after that. Users can read files in the container but cannot modify the files.
                                              You need to design a data archiving solution that meets the following requirements:
                                              New data is accessed frequently and must be available as quickly as possible.
                                              Data that is older than five years is accessed infrequently but must be available within one second when requested.
                                              Data that us older than seven years is NOT accessed. After seven years, the data must be persisted at the lowest cost possible.
                                              Costs must be minimized while maintaining the required availability.
                                              How should you manage the data? To answer, select the appropriate options in the answer area.
                                              NOTE: Each correct selection is worth one point.

                                              Answer:

                                              Explanation:


                                              NEW QUESTION # 355
                                              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:

                                              Reference:
                                              https://docs.microsoft.com/en-us/sql/relational-databases/performance/live-query-statistics?view=sql-server-ver15


                                              NEW QUESTION # 356
                                              ......

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