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Microsoft DP-300 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Plan and configure high availability and disaster recovery	20–25%	- Implement backup and restore 1. Configure automated backups and retention 2. Perform point-in-time and long-term retention restores 3. Manage backup storage and costs - 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 - Configure high availability solutions 1. Test and monitor HA/DR operations 2. Configure Always On availability groups 3. Implement failover groups and auto-failover
Topic 2: 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 - Analyze query execution plans 1. Interpret execution plans and statistics 2. Evaluate index usage and design 3. Identify bottlenecks and inefficiencies - Manage workload performance 1. Troubleshoot slow-running queries 2. Control resource usage and concurrency 3. Implement partitioning and compression
Topic 3: Implement a secure environment	20–25%	- Implement compliance and security controls 1. Assess and remediate vulnerabilities 2. Configure auditing and logging 3. Implement data masking and classification - Configure authentication and authorization 1. Apply least privilege principle 2. Implement Microsoft Entra ID authentication 3. Manage database users, roles, and permissions - 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
Topic 4: Monitor and optimize operational resources	15–20%	- 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. Schedule and perform updates and patches 3. Automate tasks using jobs, scripts, or Logic Apps - Monitor database performance and health 1. Identify and diagnose performance issues 2. Use Azure Monitor, SQL Insights, and metrics 3. Set up alerts and notifications
Topic 5: Plan and implement data platform resources	15–20%	- Deploy database resources 1. Configure resources for scale and performance 2. Automate deployment using templates, PowerShell, or CLI 3. Deploy Azure SQL Database, Managed Instance, and SQL Server on Azure VMs - Plan deployment of database offerings 1. Identify use cases for hybrid and multi-cloud solutions 2. Evaluate deployment options for Azure SQL services 3. Plan for scalability and performance requirements - Implement migration strategies 1. Migrate between Azure services or from on-premises 2. Evaluate migration requirements and strategies 3. Perform offline and online migrations

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DP-300 Test Score Report - DP-300 Exam Questions Answers

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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q406-Q411):

NEW QUESTION # 406
You have SQL Server on an Azure virtual machine that contains a database named DB1.
You view a plan summary that shows the duration in milliseconds of each execution of query 1178902 as shown in the following exhibit:

What should you do to ensure that the query uses the execution plan which executes in the least amount of time?

A. Run the DBCC FREEPROCCACHE command.
B. Force the query execution plan for plan 1221065.
C. Disable parameter sniffing.
D. Force the query execution plan for plan 1220917.

Answer: D

Explanation:
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/performance/query-store-usage-scenarios

NEW QUESTION # 407
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 two Azure SQL Database servers named Server1 and Server2. Each server contains an Azure SQL database named Database1.
You need to restore Database1 from Server1 to Server2. The solution must replace the existing Database1 on Server2.
Solution: From the Azure portal, you delete Database1 from Server2, and then you create a new database on Server2 by using the backup of Database1 from Server1.
Does this meet the goal?

A. No
B. Yes

Answer: A

Explanation:
Explanation
Instead restore Database1 from Server1 to the Server2 by using the RESTORE Transact-SQL command and the REPLACE option.
Note: REPLACE should be used rarely and only after careful consideration. Restore normally prevents accidentally overwriting a database with a different database. If the database specified in a RESTORE statement already exists on the current server and the specified database family GUID differs from the database family GUID recorded in the backup set, the database is not restored. This is an important safeguard.
Reference:
https://docs.microsoft.com/en-us/sql/t-sql/statements/restore-statements-transact-sql

NEW QUESTION # 408
You have a Microsoft SQL Server 2017 server that hosts five databases.
You Plan to migrate the databases to Azure.
You need to recommend a solution that meets the following requirements:
* Automatically scales compute based on the workload demand
* Provides per-second billing
What should you include in the recommendation? To answer, select the appropriate options in the answer area.

Answer:

Explanation:

Explanation

NEW QUESTION # 409
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.

Answer:

Explanation:

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

NEW QUESTION # 410
SIMULATION
You have a legacy application written for Microsoft SQL Server 2012. The application will be the only application that accesses db1.
You need to ensure that db1 is compatible with all the features and syntax of SQL Server 2012.
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 # 411
......

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