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Microsoft DP-300 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Implement secure resources20-25%- Implement Azure role-based access control and firewall rules
  • 1. Implement row-level and column-level security
  • 2. Configure server and database-level firewall rules
  • 3. Configure Azure Active Directory authentication
- Implement a risk mitigation strategy based on requirements
  • 1. Implement security measures for data access and audit
  • 2. Implement disaster recovery and high availability solutions
  • 3. Implement Azure Defender for Cloud and threat protection
Topic 2: Implement a SQL Server database15-20%- Manage SQL Server databases
  • 1. Monitor and optimize database performance
  • 2. Manage database schemas and objects
  • 3. Implement database authentication and authorization
- Provision and configure SQL Server on Azure VMs
  • 1. Configure SQL Server high availability and disaster recovery
  • 2. Deploy and configure SQL Server on Azure Virtual Machines
  • 3. Implement automated backup and restore
Topic 3: Monitor database operations10-15%- Monitor and log database activity
  • 1. Configure Azure Monitor and Log Analytics
  • 2. Implement auditing and monitoring solutions
  • 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
Topic 4: Plan and implement data platform resources20-25%- Plan and implement data platform resources based on requirements
  • 1. Plan for migration of on-premises SQL Server databases
  • 2. Plan and implement network requirements
  • 3. Implement encryption and data classification
  • 4. Configure Azure SQL Managed Instance and Azure SQL Database
- Recommend an appropriate database offering based on requirements
  • 1. Recommend multi-factor authentication for database access
  • 2. Evaluate requirements and select appropriate PaaS vs. IaaS offering
  • 3. Recommend appropriate service tier, storage type, and size
  • 4. Identify requirements for compliance and regulatory standards
Topic 5: Optimize database solutions10-15%- Optimize query performance
  • 1. Implement query Store and Performance Insight
  • 2. Analyze execution plans and identify performance bottlenecks
  • 3. Create and maintain indexes
- Optimize database resources
  • 1. Implement automated tuning recommendations
  • 2. Implement resource governance and resource pools
  • 3. Configure intelligent query processing
Topic 6: Implement a PaaS database solution15-20%- Implement and configure Azure SQL Database
  • 1. Implement automatic scaling and performance tuning
  • 2. Configure geo-replication and failover groups
  • 3. Configure elastic pools and serverless options
- Implement and configure Azure SQL Managed Instance
  • 1. Configure Service Broker and SQL Agent jobs
  • 2. Implement linked servers and database mail
  • 3. Configure instance-level firewall and connectivity

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DP-300 Lernhilfe, DP-300 Zertifikatsfragen

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Microsoft Administering Relational Databases on Microsoft Azure DP-300 Prüfungsfragen mit Lösungen (Q184-Q189):

184. Frage
You have an instance of SQL Server on Azure Virtual Machines that has a database named DB1.
You plan to implement Azure SQL Data Sync for DB1.
Which isolation level should you configure?

Antwort: C

Begründung:
https://docs.microsoft.com/en-us/azure/azure-sql/database/sql-data-sync-data-sql-server-sql-database


185. Frage
You have an Azure subscription that contains an Azure SQL database.
The database fails to respond to queries in a timely manner.
You need to identify whether the issue relates to resource_semaphore waits.
How should you complete the Transact-SQL query? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Antwort:

Begründung:

Explanation
Graphical user interface, text, application Description automatically generated

Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/monitoring-with-dmvs


186. Frage
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?

Antwort: A

Begründung:
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


187. Frage
You have an Azure SQL database named db1.
You need to retrieve the resource usage of db1 from the last week.
How should you complete the statement? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Antwort:

Begründung:

Explanation:

Box 1: sys.resource_stats
sys.resource_stats returns CPU usage and storage data for an Azure SQL Database. It has database_name and start_time columns.
Box 2: DateAdd
The following example returns all databases that are averaging at least 80% of compute utilization over the last one week.
DECLARE @s datetime;
DECLARE @e datetime;
SET @s= DateAdd(d,-7,GetUTCDate());
SET @e= GETUTCDATE();
SELECT database_name, AVG(avg_cpu_percent) AS Average_Compute_Utilization FROM sys.resource_stats WHERE start_time BETWEEN @s AND @e GROUP BY database_name HAVING AVG(avg_cpu_percent) > = 80 Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/system-catalog-views/sys-resource-stats-azure-sql-database Basic Concept: This question tests monitor, configure, and optimize database 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 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 retrieve the resource usage of db1 from the last week.
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.


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

App1 experiences transient connection errors and timeouts when it attempts to access db1 after extended periods of inactivity.
You need to modify db1 to resolve the issues experienced by Appl as soon as possible, without considering immediate costs What you do?

Antwort: B


189. Frage
......

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