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Exam DP-300: Administering Relational Databases on Microsoft Azure
Candidates for this exam are database administrators and data management specialists that manage on-premises and cloud relational databases built with Microsoft SQL Server and Microsoft Azure Data Services.
The Azure Database Administrator implements and manages the operational aspects of cloud-native and hybrid data platform solutions built on Azure Data Services and SQL Server. The Azure Database Administrator uses a variety of methods and tools to perform day-to-day operations, including applying knowledge of using T-SQL for administrative management purposes.
This role is responsible for management, availability, security and performance monitoring and optimization of modern relational database solutions. This role works with the Azure Data Engineer role to manage operational aspects of data platform solutions.
Part of the requirements for: Microsoft Certified: Azure Database Administrator Associate
Planning and Implementing a High Availability and Disaster Recovery (HADR) Setup
- Performing backup and restoration of data using database tools
- Performing database backup with options
- Performing database restoration with options and to specific points in time
- Configuring long-term solutions for backup retention
- Testing and configuring HADR
- The use of failover to test DR and HA
- Utilizing database, OS, and platform tools to perform the configuration of replication
- Designing an Availability Group and integrating databases into it
- The configuration of AG listener as well as quorum options
- Recommending an HADR strategy
- Recommending the appropriate HADR strategy on the basis of RTO/RPO needs
- Evaluating HADR for hybrid deployments
- Evaluating Azure specifics for HADR solutions
- Defining resources for HADR
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Get information about the Certification path of Microsoft DP-300 Exam
There is no Prerequisites for this exam
Recommended skills and experience requests for the DP-300 qualification test. Minimum 2 years of practical experience in database administration and monitoring. At least one year of hands-on experience with Microsoft Azure
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Microsoft DP-300 Deutsch Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Plan and implement data platform resources | 20-25% | - Plan and implement data platform resources based on requirements
|
| Topic 2: Implement a PaaS database solution | 15-20% | - Implement and configure Azure SQL Managed Instance
|
| Topic 3: Implement secure resources | 20-25% | - Implement a risk mitigation strategy based on requirements
|
| Topic 4: Monitor database operations | 10-15% | - Monitor and log database activity
|
| Topic 5: Optimize database solutions | 10-15% | - Optimize database resources
|
| Topic 6: Implement a SQL Server database | 15-20% | - Manage SQL Server databases
|
Microsoft Administering Relational Databases on Microsoft Azure (DP-300 Deutsch Version) Sample Questions:
Sie entwerfen ein Enterprise Data Warehouse in Azure Synapse Analytics, das Website-Traffic-Analysen in einem Sternschema speichert.
Sie planen eine Faktentabelle für Website-Besuche. Die Tabelle wird ungefähr 5 GB groß sein.
Sie müssen empfehlen, welchen Verteilungs- und Indextyp Sie für die Tabelle verwenden möchten. Die Lösung muss die schnellste Abfrageleistung bieten.
Was sollten Sie empfehlen? Wählen Sie zur Beantwortung die entsprechenden Optionen im Antwortbereich aus.
HINWEIS: Jede richtige Auswahl zählt als ein Punkt.
Correct Answer:
Explanation:
Box 1: Hash
Consider using a hash-distributed table when:
The table size on disk is more than 2 GB.
The table has frequent insert, update, and delete operations.
Box 2: Clustered columnstore
Clustered columnstore tables offer both the highest level of data compression and the best overall query performance.
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables-distribute
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables-index Basic Concept: This question tests performance optimization for SQL workloads, including Query Store, automatic tuning, index/statistics maintenance, and engine-level resource behavior.
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 which distribution type and index type to use for the table.
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.
Sie haben eine verwaltete Azure SQL-Instanz.
Sie müssen die letzte Ausführung eines Abfrageplans und seine Laufzeitstatistiken erfassen. Die Lösung muss die Auswirkungen auf aktuell ausgeführte Abfragen minimieren.
Was sollte man tun?
- A. Generieren Sie Live-Abfragestatistiken.
- B. Generieren Sie einen geschätzten Ausführungsplan.
- C. Generieren Sie einen tatsächlichen Ausführungsplan.
- D. Führen Sie sys.dm_exec_query_plan_stats aus.
Correct Answer: D 🗳️
Explanation: Only visible for TestPassKing members. You can sign-up / login (it's free).
Sie haben eine Azure SQL-Datenbank mit dem Namen sqldb1.
Sie müssen die Wahrscheinlichkeit minimieren, dass der Abfragespeicher in einen schreibgeschützten Zustand wechselt.
Was sollten Sie tun?
- A. Halbiere den Wert des Statistik-Erhebungsintervalls.
- B. Verdoppeln Sie den Wert des Statistik-Erhebungsintervalls.
- C. Halbiere den Wert von Data Flush Interval.
- D. Verdoppeln Sie den Wert von Data Flush Interval.
Correct Answer: B 🗳️
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Sie besitzen ein Azure-Abonnement.
Sie müssen eine SQL Server-Instanz auf virtuellen Azure-Maschinen bereitstellen. Die Lösung muss die folgenden Anforderungen erfüllen:
* Benutzerdefinierte Leistungskonfigurationen wie z. B. lCPS-Kapazität und Durchsatz müssen unterstützt werden.
* Die Kosten müssen minimiert werden
Welchen Festplattentyp sollten Sie in die Lösung einbeziehen?
- A. Premium SSD v2
- B. Ultra SSD
- C. Premium-SSD
- D. Standard-SSD
Correct Answer: A 🗳️
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Aufgabe 4
Sie müssen die Änderungsdatenerfassung (CDC) für db1 aktivieren.
Correct Answer:
See the explanation part for the complete Solution.
Explanation:
To enable change data capture (CDC) for db1, you need to run the stored procedure sys.sp_cdc_enable_db in the database context. CDC is a feature that records activity on a database when tables and rows have been modified1. CDC can be used for various scenarios, such as data synchronization, auditing, or ETL processes2.
Here are the steps to enable CDC for db1:
Connect to db1 using SQL Server Management Studio, Azure Data Studio, or any other tool that supports Transact-SQL statements.
Open a new query window and run the following command: EXEC sys.sp_cdc_enable_db; GO This command will enable CDC for the database and create the cdc schema, cdc user, metadata tables, and other system objects for the database3.
To verify that CDC is enabled for db1, you can query the is_cdc_enabled column in the sys.databases catalog view. The value should be 1 for db1.
These are the steps to enable CDC for db1
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