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Microsoft DP-300 Exam Syllabus Topics:

SectionObjectives
Topic 1: 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. Data classification and auditing
        • 2. Encryption at rest and in transit
          Topic 2: Optimize query performance- Improve performance
          • 1. Index optimization
            • 2. Query tuning techniques
              - Analyze query performance
              • 1. Use Query Store and execution plans
                • 2. Identify inefficient queries
                  Topic 3: Monitor and optimize operational resources- Monitor database performance
                  • 1. Use Azure Monitor and Log Analytics
                    • 2. Identify performance bottlenecks
                      - Optimize resources
                      • 1. Scale compute and storage
                        • 2. Tune performance configuration
                          Topic 4: Plan and implement a high availability and disaster recovery environment- Design HA/DR solutions
                          • 1. Implement geo-replication
                            • 2. Configure failover groups
                              - Backup and restore
                              • 1. Point-in-time restore
                                • 2. Automated backups
                                  Topic 5: 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. Select appropriate Azure database services
                                        • 2. Configure compute and storage resources
                                          Topic 6: Perform automation- Automate database tasks
                                          • 1. Implement scheduled maintenance
                                            • 2. Use Azure Automation

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                                              Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q102-Q107):

                                              NEW QUESTION # 102
                                              You are designing a security model for an Azure Synapse Analytics dedicated SQL pool that will support multiple companies.
                                              You need to ensure that users from each company can view only the data of their respective company.
                                              Which two objects should you include in the solution? Each correct answer presents part of the solution.
                                              NOTE: Each correct selection is worth one point.

                                              Answer: B,C

                                              Explanation:
                                              Azure RBAC is used to manage who can create, update, or delete the Synapse workspace and its SQL pools, Apache Spark pools, and Integration runtimes.
                                              Define and implement network security configurations for resources related to your dedicated SQL pool with Azure Policy.
                                              Reference:
                                              https://docs.microsoft.com/en-us/azure/synapse-analytics/security/synapse-workspace-synapse-rbac
                                              https://docs.microsoft.com/en-us/security/benchmark/azure/baselines/synapse-analytics-security-baseline Basic Concept: This question tests Azure monitoring and performance management, including which metric, log destination, or alerting behavior fits the operational requirement.
                                              Why D and E is Correct: a custom role-based access control (RBAC) role is a security-related control, but its value depends on whether the requirement is identity, encryption, auditing, network isolation, or data exposure reduction. This fits the case because the requested outcome is: You need to ensure that users from each company can view only the data of their respective company. The selected feature addresses that outcome directly rather than relying on a workaround. a security policy is correct because it is the feature whose normal purpose matches the stated requirement. a security policy is a security-related control, but its value depends on whether the requirement is identity, encryption, auditing, network isolation, or data exposure reduction. The scenario wording points to that specific behavior: You need to ensure that users from each company can view only the data of their respective company.
                                              Why A is Wrong: a column encryption key is a security-related control, but its value depends on whether the requirement is identity, encryption, auditing, network isolation, or data exposure reduction. It is not the right enforcement point for this case; the scenario needs the control that governs the data or identity path being tested.
                                              Why B is Wrong: asymmetric keys is a security-related control, but its value depends on whether the requirement is identity, encryption, auditing, network isolation, or data exposure reduction. It does not satisfy the required identity, encryption, firewall, auditing, or data-exposure boundary described in the scenario: You need to ensure that users from each company can view only the data of their respective company.
                                              Why C is Wrong: a function is a security-related control, but its value depends on whether the requirement is identity, encryption, auditing, network isolation, or data exposure reduction. It protects or manages a different security layer, so the required database access or protection behavior would still be incomplete.


                                              NEW QUESTION # 103
                                              You have an Azure Synapse Analytics workspace named WS1 that contains an Apache Spark pool named Pool1.
                                              You plan to create a database named DB1 in Pool1.
                                              You need to ensure that when tables are created in DB1, the tables are available automatically as external tables to the built-in serverless SQL pool.
                                              Which format should you use for the tables in DB1?

                                              Answer: B

                                              Explanation:
                                              Serverless SQL pool can automatically synchronize metadata from Apache Spark. A serverless SQL pool database will be created for each database existing in serverless Apache Spark pools.
                                              For each Spark external table based on Parquet and located in Azure Storage, an external table is created in a serverless SQL pool database. As such, you can shut down your Spark pools and still query Spark external tables from serverless SQL pool.
                                              Reference:
                                              https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/develop-storage-files-spark-tables


                                              NEW QUESTION # 104
                                              You have an Azure subscription that contains a storage account named databasebackups.
                                              You have an Azure SQL managed instance named DB1.
                                              You need to back up DB1 to databasebackups.
                                              How should you complete the commands? 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 high availability and disaster recovery design for Azure SQL, SQL Server on Azure VMs, and regional failure scenarios.
                                              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 back up DB1 to databasebackups.
                                              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 # 105
                                              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 to 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

                                              Explanation:
                                              Basic Concept: This question tests plan and implement data platform resources in the DP-300 exam context.
                                              The correct choice is determined by the exact service boundary and operational requirement stated in the scenario.
                                              Why D and E is Correct: Select the Classification page. is correct because it is the feature whose normal purpose matches the stated requirement. Select the Classification page. is an Azure data-platform feature, but it must match the workload model, service tier, migration path, or deployment constraint described in the scenario. The scenario wording points to that specific behavior: You need to identify the process for creating a custom sensitivity label and assigning it to the CustomerlD column. Select Configure is correct because it is the feature whose normal purpose matches the stated requirement. Select Configure is an Azure data-platform feature, but it must match the workload model, service tier, migration path, or deployment constraint described in the scenario. The scenario wording points to that specific behavior: You need to identify the process for creating a custom sensitivity label and assigning it to the CustomerlD column.
                                              Why A is Wrong: Select Export 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 B is Wrong: Filter by the Contact Info Information type- 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.
                                              Why C is Wrong: Filter by the CustomerlD column name. 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.


                                              NEW QUESTION # 106
                                              You have a version-8.0 Azure Database for MySQL database.
                                              You need to identify which database queries consume the most resources.
                                              Which tool should you use?

                                              Answer: B

                                              Explanation:
                                              Section: [none]
                                              Explanation:
                                              The Query Store feature in Azure Database for MySQL provides a way to track query performance over time.
                                              Query Store simplifies performance troubleshooting by helping you quickly find the longest running and most resource-intensive queries. Query Store automatically captures a history of queries and runtime statistics, and it retains them for your review. It separates data by time windows so that you can see database usage patterns.
                                              Data for all users, databases, and queries is stored in the mysql schema database in the Azure Database for MySQL instance.
                                              Reference:
                                              https://docs.microsoft.com/en-us/azure/mysql/concepts-query-store


                                              NEW QUESTION # 107
                                              ......

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