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Microsoft DP-300 Exam Syllabus Topics:

Section	Weight	Objectives
Implement a secure environment	20–25%	- Secure data at rest and in transit 1. Manage keys and certificates 2. Implement Transparent Data Encryption 3. Configure encryption for connections and data transfer - Configure authentication and authorization 1. Manage database users, roles, and permissions 2. Implement Microsoft Entra ID authentication 3. Apply least privilege principle - Implement compliance and security controls 1. Implement data masking and classification 2. Assess and remediate vulnerabilities 3. Configure auditing and logging
Plan and implement data platform resources	15–20%	- Plan deployment of database offerings 1. Identify use cases for hybrid and multi-cloud solutions 2. Plan for scalability and performance requirements 3. Evaluate deployment options for Azure SQL services - Implement migration strategies 1. Evaluate migration requirements and strategies 2. Perform offline and online migrations 3. Migrate between Azure services or from on-premises - Deploy database resources 1. Automate deployment using templates, PowerShell, or CLI 2. Configure resources for scale and performance 3. Deploy Azure SQL Database, Managed Instance, and SQL Server on Azure VMs
Optimize query performance	15–20%	- Improve query performance 1. Create and modify indexes 2. Use query store and performance tuning tools 3. Optimize T-SQL code and constructs - Manage workload performance 1. Control resource usage and concurrency 2. Troubleshoot slow-running queries 3. Implement partitioning and compression - Analyze query execution plans 1. Identify bottlenecks and inefficiencies 2. Evaluate index usage and design 3. Interpret execution plans and statistics
Plan and configure high availability and disaster recovery	20–25%	- Configure high availability solutions 1. Configure Always On availability groups 2. Test and monitor HA/DR operations 3. Implement failover groups and auto-failover - Design HA/DR strategy 1. Choose between built-in and custom solutions 2. Evaluate hybrid and cross-region options 3. Define RPO and RTO requirements - Implement backup and restore 1. Configure automated backups and retention 2. Manage backup storage and costs 3. Perform point-in-time and long-term retention restores
Monitor and optimize operational resources	15–20%	- Monitor database performance and health 1. Identify and diagnose performance issues 2. Set up alerts and notifications 3. Use Azure Monitor, SQL Insights, and metrics - Optimize resource consumption 1. Implement auto-scaling and elasticity 2. Manage costs and licensing 3. Adjust compute, storage, and tier settings - Automate maintenance and operations 1. Manage database lifecycle operations 2. Automate tasks using jobs, scripts, or Logic Apps 3. Schedule and perform updates and patches

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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q390-Q395):

NEW QUESTION # 390
You are building an Azure Stream Analytics job to retrieve game data.
You need to ensure that the job returns the highest scoring record for each five-minute time interval of each game.
How should you complete the Stream Analytics query? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation:

Box 1: TopOne() OVER(PARTITION BY Game ORDER BY Score Desc)
TopOne returns the top-rank record, where rank defines the ranking position of the event in the window according to the specified ordering. Ordering/ranking is based on event columns and can be specified in ORDER BY clause.
Analytic Function Syntax:
TopOne() OVER ([<PARTITION BY clause>] ORDER BY (<column name> [ASC |DESC])+ <LIMIT DURATION clause> [<WHEN clause>]) Box 2: Tumbling(minute 5) Tumbling window functions are used to segment a data stream into distinct time segments and perform a function against them, such as the example below. The key differentiators of a Tumbling window are that they repeat, do not overlap, and an event cannot belong to more than one tumbling window.

Reference:
https://docs.microsoft.com/en-us/stream-analytics-query/topone-azure-stream-analytics
https://github.com/MicrosoftDocs/azure-docs/blob/master/articles/stream-analytics/stream-analytics-window- functions.md

NEW QUESTION # 391
You have an Azure SQL database named DB1 that contains a table named Table 1.
You run a query to load data into Table1.
The performance metrics of Table1 during the load operation are shown in the following exhibit.

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.

Answer:

Explanation:

Explanation:

NEW QUESTION # 392
You need to implement the monitoring of SalesSQLDb1. The solution must meet the technical requirements.
How should you collect and stream metrics? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

NEW QUESTION # 393
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have the on-premises networks shown in the following table.

You have an Azure subscription that contains an Azure SQL Database server named SQL1.
SQL1 contains two databases named DB1 and DB2.
You need to configure access to DB1 and DB2. The solution must meet the following requirements:
- Ensure that DB1 can be accessed only by users in Branch1.
- Ensure that DB2 can be accessed only by users in Branch2.
Solution: You connect to DB1 and run the following command.
EXECUTE sp_set_database_firewall_rule 'Allow db1 users',
'131.107.10.0', '131.107.10.255'
You connect to DB2 and run the following command.
EXECUTE sp_set_database_firewall_rule 'Allow db2 users',
'131.107.11.0', '131.107.11.255'
Does this meet the goal?

A. Yes
B. No

Answer: A

NEW QUESTION # 394
SIMULATION
You need to configure db1 to pause automatically after one hour of inactivity.
To complete this task, sign in to the virtual machine. You may need to use SQL Server Management Studio and the Azure portal.

Answer:

Explanation:

NEW QUESTION # 395
......

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