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Microsoft DP-300 Exam Syllabus Topics:

Section	Weight	Objectives
Optimize database solutions	10-15%	- Optimize database resources 1. Configure intelligent query processing 2. Implement automated tuning recommendations 3. Implement resource governance and resource pools - Optimize query performance 1. Create and maintain indexes 2. Analyze execution plans and identify performance bottlenecks 3. Implement query Store and Performance Insight
Implement secure resources	20-25%	- Implement Azure role-based access control and firewall rules 1. Configure Azure Active Directory authentication 2. Configure server and database-level firewall rules 3. Implement row-level and column-level security - Implement a risk mitigation strategy based on requirements 1. Implement Azure Defender for Cloud and threat protection 2. Implement disaster recovery and high availability solutions 3. Implement security measures for data access and audit
Implement a PaaS database solution	15-20%	- Implement and configure Azure SQL Managed Instance 1. Implement linked servers and database mail 2. Configure instance-level firewall and connectivity 3. Configure Service Broker and SQL Agent jobs - Implement and configure Azure SQL Database 1. Configure geo-replication and failover groups 2. Implement automatic scaling and performance tuning 3. Configure elastic pools and serverless options
Implement a SQL Server database	15-20%	- Provision and configure SQL Server on Azure VMs 1. Implement automated backup and restore 2. Deploy and configure SQL Server on Azure Virtual Machines 3. Configure SQL Server high availability and disaster recovery - Manage SQL Server databases 1. Implement database authentication and authorization 2. Manage database schemas and objects 3. Monitor and optimize database performance
Monitor database operations	10-15%	- Monitor and log database activity 1. Implement auditing and monitoring solutions 2. Configure Azure Monitor and Log Analytics 3. Use DMVs and extended events for monitoring - Troubleshoot database issues 1. Implement backup, restore, and recovery procedures 2. Diagnose connectivity and performance issues 3. Analyze metrics and alert thresholds
Plan and implement data platform resources	20-25%	- Plan and implement data platform resources based on requirements 1. Plan for migration of on-premises SQL Server databases 2. Configure Azure SQL Managed Instance and Azure SQL Database 3. Plan and implement network requirements 4. Implement encryption and data classification - Recommend an appropriate database offering based on requirements 1. Evaluate requirements and select appropriate PaaS vs. IaaS offering 2. Recommend appropriate service tier, storage type, and size 3. Identify requirements for compliance and regulatory standards 4. Recommend multi-factor authentication for database access

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Microsoft Administering Relational Databases on Microsoft Azure DP-300 Prüfungsfragen mit Lösungen (Q323-Q328):

323. Frage
You have an Azure Synapse Analytics Apache Spark pool named Pool1.
You plan to load JSON files from an Azure Data Lake Storage Gen2 container into the tables in Pool1. The structure and data types vary by file.
You need to load the files into the tables. The solution must maintain the source data types.
What should you do?

A. Load the data by using the OPENROWSET Transact-SQL command in an Azure Synapse Analytics
serverless SQL pool.
B. Use a Get Metadata activity in Azure Data Factory.
C. Use a Conditional Split transformation in an Azure Synapse data flow.
D. Load the data by using PySpark.

Antwort: A

Begründung:
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.
Serverless SQL pool enables you to query data in your data lake. It offers a T-SQL query surface area that accommodates semi-structured and unstructured data queries.
To support a smooth experience for in place querying of data that's located in Azure Storage files, serverless SQL pool uses the OPENROWSET function with additional capabilities.
The easiest way to see to the content of your JSON file is to provide the file URL to the OPENROWSET
function, specify csv FORMAT.
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/query-json-files
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/query-data-storage

324. Frage
You need to recommend a service tier and a method to offload analytical workloads for the databases migrated from SVR1. The solution must meet the availability and business requirements.
What should you recommend? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Antwort:

Begründung:

Explanation:

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 recommend a service tier and a method to offload analytical workloads for the databases migrated from SVR1.
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.

325. Frage
SIMULATION
You need to protect all the databases on sql12345678 from SQL injection attacks.
To complete this task, sign in to the virtual machine. You may need to use SQL Server Management Studio and the Azure portal.

Antwort:

Begründung:

326. Frage
You have an Azure subscription that contains the resources shown in the following table.

You need to back up db1 to mysqlbackups, and then restore the backup to a new database named db2 that is hosted on SQL1. The solution must ensure that db1 is backed up to a stripe set.
Which three Transact-SQL statements should you execute in sequence? To answer, move the appropriate statements from the list of statements to the answer area and arrange them in the correct order.

Antwort:

Begründung:

1 - Create Credential,,,,,,
2 - Backup Database db1,,,,,
3 - Restore Database bd2 From URL=,,,,,
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/backup-restore/sql-server-backup-to-url?view=sql-server-ver15

327. Frage
Hotspot Question
You have an Azure subscription. The subscription contains an Azure Storage account named storage1, a container named Container1, and an Azure SQL managed instance that hosts a database named DB1.
You need to back up DB1 to Container1.
How should you complete the T-SQL statement? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Antwort:

Begründung:

Explanation:
Reference:
https://learn.microsoft.com/en-us/sql/relational-databases/backup-restore/sql-server-backup-to-url
https://learn.microsoft.com/en-us/sql/t-sql/statements/backup-transact-sql

328. Frage
......

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