적중율좋은DP-300높은통과율시험덤프덤프문제Administering Relational Databases on Microsoft Azure기출자료

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Microsoft DP-300 Exam Syllabus Topics:

SectionObjectives
Monitor and optimize operational resources- Monitor database performance
  • 1. Identify performance bottlenecks
    • 2. Use Azure Monitor and Log Analytics
      - Optimize resources
      • 1. Scale compute and storage
        • 2. Tune performance configuration
          Perform automation- Automate database tasks
          • 1. Implement scheduled maintenance
            • 2. Use Azure Automation
              Plan and implement data platform resources- Plan and configure security for the data platform
              • 1. Implement authentication and authorization
                • 2. Configure network security
                  - Deploy and configure infrastructure
                  • 1. Select appropriate Azure database services
                    • 2. Configure compute and storage resources
                      Optimize query performance- Analyze query performance
                      • 1. Identify inefficient queries
                        • 2. Use Query Store and execution plans
                          - Improve performance
                          • 1. Query tuning techniques
                            • 2. Index optimization
                              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. Automated backups
                                    • 2. Point-in-time restore
                                      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. Configure Azure Active Directory authentication
                                            • 2. Manage database roles and permissions

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                                              최신 Microsoft Azure DP-300 무료샘플문제 (Q216-Q221):

                                              질문 # 216
                                              You have SQL Server on an Azure virtual machine that contains a database named Db1.
                                              You need to enable automatic tuning for Db1.
                                              How should you complete the statements? To answer, select the appropriate answer in the answer area.
                                              NOTE: Each correct selection is worth one point.

                                              정답：

                                              설명：

                                              Explanation

                                              Box 1: SET AUTOMATIC_TUNING = AUTO
                                              To enable automatic tuning on a single database via T-SQL, connect to the database and execute the following query:
                                              ALTER DATABASE current SET AUTOMATIC_TUNING = AUTO
                                              Setting automatic tuning to AUTO will apply Azure Defaults.
                                              Box 2: SET AUTOMATIC_TUNING (FORCE_LAST_GOOD_PLAN = ON)
                                              To configure individual automatic tuning options via T-SQL, connect to the database and execute the query such as this one:
                                              ALTER DATABASE current SET AUTOMATIC_TUNING (FORCE_LAST_GOOD_PLAN = ON) Setting the individual tuning option to ON will override any setting that database inherited and enable the tuning option. Setting it to OFF will also override any setting that database inherited and disable the tuning option.
                                              Reference:
                                              https://docs.microsoft.com/en-us/azure/azure-sql/database/automatic-tuning-enable


                                              질문 # 217
                                              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.

                                              정답：

                                              설명：


                                              질문 # 218
                                              You are performing exploratory analysis of bus fare data in an Azure Data Lake Storage Gen2 account by using an Azure Synapse Analytics serverless SQL pool.
                                              You execute the Transact-SQL query 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.

                                              정답：

                                              설명：

                                              Reference:
                                              https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/develop-openrowset


                                              질문 # 219
                                              You have the following Azure Resource Manager template.

                                              For each of the following statements, select Yes if the statement is true. Otherwise, select No.
                                              NOTE: Each correct selection is worth one point.

                                              정답：

                                              설명：

                                              Reference:
                                              https://docs.microsoft.com/en-us/azure/azure-sql/database/purchasing-models
                                              https://docs.microsoft.com/en-us/azure/azure-sql/database/single-database-create-arm-template-quickstart


                                              질문 # 220
                                              You have an Azure SQL database named DB1 that contains two tables named Table1 and Table2. Both tables contain a column named a Column1. Column1 is used for joins by an application named App1.
                                              You need to protect the contents of Column1 at rest, in transit, and in use.
                                              How should you protect the contents of Column1? To answer, select the appropriate options in the answer area.
                                              NOTE:Each correct selection is worth one point.

                                              정답：

                                              설명：

                                              Explanation

                                              Box 1: Column encryption Key
                                              Always Encrypted uses two types of keys: column encryption keys and column master keys. A column encryption key is used to encrypt data in an encrypted column. A column master key is a key-protecting key that encrypts one or more column encryption keys.
                                              Reference:
                                              https://docs.microsoft.com/en-us/sql/relational-databases/security/encryption/always-encrypted-database-engine


                                              질문 # 221
                                              ......

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