Pass Guaranteed Microsoft - DP-300 - Administering Relational Databases on Microsoft Azure–Reliable Exam Collection Pdf

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Microsoft DP-300 Exam Syllabus Topics:

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

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                                              Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q331-Q336):

                                              NEW QUESTION # 331
                                              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:

                                              Explanation:

                                              Basic Concept: This question tests Azure monitoring and performance management, including which metric, log destination, or alerting behavior fits the operational requirement.
                                              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 enable Resource Governor for a App1.
                                              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 # 332
                                              You have SQL Server 2019 on an Azure virtual machine that runs Windows Server 2019. The virtual machine
                                              has 4 vCPUs and 28 GB of memory.
                                              You scale up the virtual machine to 16 vCPUSs and 64 GB of memory.
                                              You need to provide the lowest latency for tempdb.
                                              What is the total number of data files that tempdb should contain?

                                              Answer: B

                                              Explanation:
                                              Section: [none]
                                              Explanation:
                                              The number of files depends on the number of (logical) processors on the machine. As a general rule, if the
                                              number of logical processors is less than or equal to eight, use the same number of data files as logical
                                              processors. If the number of logical processors is greater than eight, use eight data files and then if contention
                                              continues, increase the number of data files by multiples of 4 until the contention is reduced to acceptable
                                              levels or make changes to the workload/code.
                                              Reference:
                                              https://docs.microsoft.com/en-us/sql/relational-databases/databases/tempdb-database


                                              NEW QUESTION # 333
                                              You configure version control for an Azure Data Factory instance 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:

                                              Box 1: adf_publish
                                              By default, data factory generates the Resource Manager templates of the published factory and saves them into a branch called adf_publish. To configure a custom publish branch, add a publish_config.json file to the root folder in the collaboration branch. When publishing, ADF reads this file, looks for the field publishBranch, and saves all Resource Manager templates to the specified location. If the branch doesn't exist, data factory will automatically create it. And example of what this file looks like is below:
                                              {
                                              "publishBranch": "factory/adf_publish"
                                              }
                                              Box 2: /dwh_barchlet/ adf_publish/contososales
                                              RepositoryName: Your Azure Repos code repository name. Azure Repos projects contain Git repositories to manage your source code as your project grows. You can create a new repository or use an existing repository that's already in your project.
                                              Reference:
                                              https://docs.microsoft.com/en-us/azure/data-factory/source-control


                                              NEW QUESTION # 334
                                              You have 40 Azure SQL databases, each for a different customer. All the databases reside on the same Azure SQL Database server.
                                              You need to ensure that each customer can only connect to and access their respective database.
                                              Which two actions should you perform? Each correct answer presents part of the solution.
                                              NOTE: Each correct selection is worth one point.

                                              Answer: B,D

                                              Explanation:
                                              Section: [none]
                                              Explanation:
                                              Manage database access by adding users to the database, or allowing user access with secure connection strings.
                                              Database-level firewall rules only apply to individual databases.
                                              Incorrect Answers:
                                              B: Server-level IP firewall rules apply to all databases within the same server.
                                              Reference:
                                              https://docs.microsoft.com/en-us/azure/azure-sql/database/secure-database-tutorial


                                              NEW QUESTION # 335
                                              You have an Azure SQL database.
                                              You discover that the plan cache is full of compiled plans that were used only once.
                                              You run the select * from sys.database_scoped_configurations Transact-SQL command and receive the results shown in the following table.

                                              You need relieve the memory pressure.
                                              What should you configure?

                                              Answer: A

                                              Explanation:
                                              OPTIMIZE_FOR_AD_HOC_WORKLOADS = { ON | OFF }
                                              Enables or disables a compiled plan stub to be stored in cache when a batch is compiled for the first time. The default is OFF. Once the database scoped configuration OPTIMIZE_FOR_AD_HOC_WORKLOADS is enabled for a database, a compiled plan stub will be stored in cache when a batch is compiled for the first time. Plan stubs have a smaller memory footprint compared to the size of the full compiled plan.
                                              Reference:
                                              https://docs.microsoft.com/en-us/sql/t-sql/statements/alter-database-scoped-configuration-transact-sql


                                              NEW QUESTION # 336
                                              ......

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