Valid DP-300 Practice Materials | Latest DP-300 Exam Objectives

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Microsoft DP-300 exam is designed for database administrators who want to demonstrate their skills in administering relational databases on Microsoft Azure. DP-300 exam covers a wide range of topics, including the deployment and configuration of Azure SQL databases, the management of security and performance, and the implementation of high availability and disaster recovery solutions.

The Administering Relational Databases on Microsoft Azure certification exam is intended for professionals who have a deep understanding of Microsoft SQL Server and experience in administering databases. Candidates are expected to have experience in designing and implementing security measures for databases, configuring high availability and disaster recovery mechanisms, and optimizing performance. DP-300 Exam is ideal for database administrators who want to expand their skills to include cloud-based database solutions.

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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q193-Q198):

NEW QUESTION # 193
You are training a new administrator for your company's Azure data services, which includes database deployed on Azure SQL Database, Azure SQL Managed Instance, and SQL Server on Azure virtual machines (VMs).
You need to identify the fixed roles that are supported by Azure SQL Database only.
Which two fixed roles are available with Azure SQL Database only?
Each correct answer presents a complete solution.

A. db_securityadmin
B. dbmanager
C. dbcreator
D. sysadmin
E. loginmanager

Answer: E

NEW QUESTION # 194
You plan to build a structured streaming solution in Azure Databricks. The solution will count new events in fiveminute intervals and report only events that arrive during the interval.
The output will be sent to a Delta Lake table.
Which output mode should you use?

A. append
B. complete
C. update

Answer: B

Explanation:
Complete mode: You can use Structured Streaming to replace the entire table with every batch.
Incorrect Answers:
B: By default, streams run in append mode, which adds new records to the table.
Reference:
https://docs.databricks.com/delta/delta-streaming.html

NEW QUESTION # 195
You have an Azure SQL database.
Users report that the executions of a stored procedure are slower than usual. You suspect that a regressed query is causing the performance issue.
You need to view the query execution plan to verify whether a regressed query is causing the issue. The solution must minimize effort.
What should you use?

A. Query Performance Insight in the Azure portal
B. Extended Events in Microsoft SQL Server Management Studio (SSMS)
C. Performance Recommendations in the Azure portal
D. Query Store in Microsoft SQL Server Management Studio (SSMS)

Answer: D

Explanation:
Use the Query Store Page in SQL Server Management Studio.
Query performance regressions caused by execution plan changes can be non-trivial and time consuming to resolve.
Since the Query Store retains multiple execution plans per query, it can enforce policies to direct the Query Processor to use a specific execution plan for a query. This is referred to as plan forcing. Plan forcing in Query Store is provided by using a mechanism similar to the USE PLAN query hint, but it does not require any change in user applications. Plan forcing can resolve a query performance regression caused by a plan change in a very short period of time.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/performance/monitoring-performance-by-using-the-query-store

NEW QUESTION # 196
You are designing an enterprise data warehouse in Azure Synapse Analytics that will store website traffic analytics in a star schema.
You plan to have a fact table for website visits. The table will be approximately 5 GB.
You need to recommend which distribution type and index type to use for the table. The solution must provide the fastest query performance.
What should you recommend? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

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

NEW QUESTION # 197
You have an instance of SQL Server on Azure Virtual Machines named VM1.
You need to use an Azure Automation runbook to initiate a SQL Server database backup on VM1.
How should you complete the command? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation:

NEW QUESTION # 198
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