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Microsoft DP-300試験は、データベース管理者がMicrosoft Azure上の関係データベースの管理に関する知識とスキルを証明するための優れた方法です。この試験に合格し、Azureデータベース管理者アソシエイト認定を取得することで、候補者はキャリアの機会を増やし、継続的な専門的な開発への取り組みを示すことができます。
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DP-300試験の準備をするには、SQL Serverおよびデータベース管理の原則を確実に理解する必要があります。また、Microsoft Azureを扱う経験があり、プラットフォーム上のデータベースの管理と管理に利用できるさまざまなツールとサービスに精通している必要があります。
質問 # 279
You have an Azure subscription that is linked to an Azure AD tenant named contoso.com. The subscription contains an Azure SQL database named SQL 1 and an Azure web named app1. App1 has the managed identity feature enabled.
You need to create a new database user for app1.
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.
正解：
解説：
Explanation:
https://learn.microsoft.com/en-us/azure/app-service/tutorial-connect-msi-sql-database?tabs=windowsclient%2Ce
質問 # 280
You have an Azure SQL database named DB1 in the General Purpose service tier.
The performance metrics for DB1 are shown in the following exhibit.
You need to reduce the Log 10 percentage. The solution must minimize costs.
What should you do?
正解：D
質問 # 281
You have an on-premises Microsoft SQL Server 2016 server named Server1 that contains a database named DB1.
You need to perform an online migration of DB1 to an Azure SQL Database managed instance by using Azure Database Migration Service.
How should you configure the backup of DB1? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
正解：
解説：
Explanation:
Box 1: Full and log backups only
Make sure to take every backup on a separate backup media (backup files). Azure Database Migration Service doesn ' t support backups that are appended to a single backup file. Take full backup and log backups to separate backup files.
Box 2: WITH CHECKSUM
Azure Database Migration Service uses the backup and restore method to migrate your on-premises databases to SQL Managed Instance. Azure Database Migration Service only supports backups created using checksum.
Reference:
https://docs.microsoft.com/en-us/azure/dms/known-issues-azure-sql-db-managed-instance-online Basic Concept: This question tests choosing the correct Azure migration approach by matching the source platform, target service, downtime tolerance, and administrative effort.
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 perform an online migration of DB1 to an Azure SQL Database managed instance by using Azure Database Migration Service.
Why the alternate choices are Wrong: The alternate selections would either use a migration tier that does not match the downtime requirement, choose a network resource that does not support the migration path, or add an unnecessary deployment component.
質問 # 282
You configure a long-term retention policy for an Azure SQL database as shown in the exhibit. (Click the Exhibit tab.)
The first weekly backup occurred on January 4, 2020. The dates for the first 10 weekly backups are:
January 4, 2020
January 11, 2020
January 18, 2020
January 25, 2020
February 1, 2020
February 8, 2020
February 15, 2020
February 22, 2020
February 29, 2020
March 7, 2020
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.
正解：
解説：
質問 # 283
You have an Azure subscription that contains an Azure SQL database named DB1.
You need to configure Query Store Capture Mode for DB1. The solution must meet the following requirements:
* Ensure that only queries that have significant resource consumption are tracked.
* Minimize administrative effort
To what should you set Query Store Capture Mode?
正解：A
質問 # 284
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