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Microsoft DP-300 Exam Syllabus Topics:

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

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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q124-Q129):

NEW QUESTION # 124
You have an Azure subscription that contains a SQL Server on Azure Virtual Machines instance named SQLVMI. SQLVMI hosts a database named OBI.
You need to retrieve query plans from the Query Store on DBI.
What should you do first?

A. From Microsoft SQL Server Management Studio, modify the properties of DB 1.
B. From Microsoft SQL Server Management Studio, modify the properties of the SQL Server instance.
C. On SQLVM1, install the SQL Server laaS Agent extension.
D. On SQLVM1, install the Azure Monitor agent for Windows.

Answer: B

NEW QUESTION # 125
You have a new Azure subscription.
You create an Azure SQL Database instance named DB1 on an Azure SQL Database server named Server1.
You need to ensure that users can connect to DB1 in the event of an Azure regional outage. In the event of an outage, applications that connect to DB1 must be able to connect without having to update the connection strings.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

A. Create a new Azure SQL Database server named Server2.
B. From the properties of Server1 configure retention for DB1
C. From the properties of DB1. configure geo-replication.
D. Create a new Azure SQL Database instance named DB2.
E. From the properties of Server1 add a failover group.

Answer: A,E

Explanation:
B: The auto-failover groups feature allows you to manage the replication and failover of some or all databases on a logical server to another region.
C: The auto-failover group must be configured on the primary server and will connect it to the secondary server in a different Azure region.

Incorrect:
Not A: Geo-replication failovers require client applications to change their connection strings.
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/auto-failover-group-overview?tabs=azure-powershell#best-practices-for-sql-database
https://docs.microsoft.com/en-us/azure/azure-sql/database/failover-group-add-single-database-tutorial?tabs=azure-portal

NEW QUESTION # 126
You have an Azure SQL Database managed instance named SQLMI1. A Microsoft SQL Server Agent job runs on SQLMI1.
You need to ensure that an automatic email notification is sent once the job completes.
What should you include in the solution?

A. From SQL Server Management Studio (SSMS), create a Database Mail profile
B. From the Azure portal, create an Azure Monitor action group that has an Email/SMS/Push/Voice action
C. From SQL Server Management Studio (SSMS), run sp_set_sqlagent_properties
D. From SQL Server Configuration Manager (SSMS), enable SQL Server Agent

Answer: A

Explanation:
Explanation
To send a notification in response to an alert, you must first configure SQL Server Agent to send mail.
Using SQL Server Management Studio; to configure SQL Server Agent to use Database Mail:
* In Object Explorer, expand a SQL Server instance.
* Right-click SQL Server Agent, and then click Properties.
* Click Alert System.
* Select Enable Mail Profile.
* In the Mail system list, select Database Mail.
* In the Mail profile list, select a mail profile for Database Mail.
* Restart SQL Server Agent.
Note: Prerequisites include:
* Enable Database Mail.
* Create a Database Mail account for the SQL Server Agent service account to use.
* Create a Database Mail profile for the SQL Server Agent service account to use and add the user to the DatabaseMailUserRole in the msdb database.
* Set the profile as the default profile for the msdb database.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/database-mail/configure-sql-server-agent-mail-to-use-d

NEW QUESTION # 127
Task 4
You need to enable change data capture (CDC) for db1.

Answer:

Explanation:
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 datab ase when tables and rows have been modified 1 . CDC can be used for various scenarios, such as data synchronization, auditing, or ETL processes
2 .
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 q uery 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 database 3 .
* 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

NEW QUESTION # 128
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?

A. Increase the number of vCores allocated to db1.
B. Disable auto-pause delay for db1.
C. Decrease the auto-pause delay for db1.
D. Enable automatic tuning for db1.

Answer: D

NEW QUESTION # 129
......

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