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These latest Administering Relational Databases on Microsoft Azure (DP-300) Questions were made by PrepAwayTest professionals after working day and night so that users can prepare for the Microsoft DP-300 exam successfully. PrepAwayTest even guarantees you that you can pass the Microsoft DP-300 Certification test on the first try with your untiring efforts.

Microsoft DP-300 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Optimize query performance	15–20%	- Improve query performance 1. Use query store and performance tuning tools 2. Create and modify indexes 3. Optimize T-SQL code and constructs - Manage workload performance 1. Control resource usage and concurrency 2. Implement partitioning and compression 3. Troubleshoot slow-running queries - Analyze query execution plans 1. Identify bottlenecks and inefficiencies 2. Interpret execution plans and statistics 3. Evaluate index usage and design
Topic 2: Plan and configure high availability and disaster recovery	20–25%	- Design HA/DR strategy 1. Choose between built-in and custom solutions 2. Define RPO and RTO requirements 3. Evaluate hybrid and cross-region options - Configure high availability solutions 1. Implement failover groups and auto-failover 2. Configure Always On availability groups 3. Test and monitor HA/DR operations - Implement backup and restore 1. Manage backup storage and costs 2. Configure automated backups and retention 3. Perform point-in-time and long-term retention restores
Topic 3: 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. Adjust compute, storage, and tier settings 2. Manage costs and licensing 3. Implement auto-scaling and elasticity - 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
Topic 4: Plan and implement data platform resources	15–20%	- Plan deployment of database offerings 1. Evaluate deployment options for Azure SQL services 2. Identify use cases for hybrid and multi-cloud solutions 3. Plan for scalability and performance requirements - Implement migration strategies 1. Perform offline and online migrations 2. Evaluate migration requirements and strategies 3. Migrate between Azure services or from on-premises - Deploy database resources 1. Deploy Azure SQL Database, Managed Instance, and SQL Server on Azure VMs 2. Configure resources for scale and performance 3. Automate deployment using templates, PowerShell, or CLI
Topic 5: Implement a secure environment	20–25%	- Implement compliance and security controls 1. Assess and remediate vulnerabilities 2. Implement data masking and classification 3. Configure auditing and logging - Configure authentication and authorization 1. Manage database users, roles, and permissions 2. Apply least privilege principle 3. Implement Microsoft Entra ID authentication - 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

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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q362-Q367):

NEW QUESTION # 362
You have an Azure Synapse Analytics dedicated SQL pool.
You run PDW_SHOWSPACEUSED('dbo.FactInternetSales'); and get the results shown in the following table.

Which statement accurately describes the dbo.FactInternetSales table?

A. The table uses round-robin distribution
B. All distributions contain data.
C. The table contains less than 10,000 rows.
D. The table is skewed.

Answer: D

Explanation:
The rows per distribution can vary up to 10% without a noticeable impact on performance. Here the distribution varies more than 10%. It is skewed.
Note: SHOWSPACEUSED displays the number of rows, disk space reserved, and disk space used for a specific table, or for all tables in a Azure Synapse Analytics or Parallel Data Warehouse database.
This is a very quick and simple way to see the number of table rows that are stored in each of the 60 distributions of your database. Remember that for the most balanced performance, the rows in your distributed table should be spread evenly across all the distributions.
ROUND_ROBIN distributed tables should not be skewed. Data is distributed evenly across the nodes by design.
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables- distribute
https://github.com/rgl/azure-content/blob/master/articles/sql-data-warehouse/sql-data-warehouse-manage- distributed-data-skew.md

NEW QUESTION # 363
You have SQL Server on an Azure virtual machine that contains a database named Db1.
You need to enable automatic tuning for Db1.
How should you complete the statements? To answer, select the appropriate answer 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/automatic-tuning-enable

NEW QUESTION # 364
You have an Azure subscription that contains an instance of SQL Server on an Azure virtual machine named SQLVM1 and a user named User1. SQLVM1 hosts a database named DB1.
You need to ensure that User! can create a scheduled task to perform a full backup of DB1. The solution must use the principle of least privilege.
Which built-in database role should you assign to User1?

A. SQLAgentUserRole
B. db.owner
C. SQLAgentReaderRole
D. SQLAgentOperatorRole

Answer: D

Explanation:
Basic Concept: This question tests high availability and disaster recovery design for Azure SQL, SQL Server on Azure VMs, and regional failure scenarios.
Why C is Correct: SQLAgentOperatorRole matches the expected DP-300 administration action.
SQLAgentOperatorRole is a security-related control, but its value depends on whether the requirement is identity, encryption, auditing, network isolation, or data exposure reduction. The question is not asking for a general Azure capability; it is asking for the feature that produces this result: You need to ensure that User!
can create a scheduled task to perform a full backup of DB1.
Why A is Wrong: SQLAgentReaderRole is a security-related control, but its value depends on whether the requirement is identity, encryption, auditing, network isolation, or data exposure reduction. It protects or manages a different security layer, so the required database access or protection behavior would still be incomplete.
Why B is Wrong: db.owner is a security-related control, but its value depends on whether the requirement is identity, encryption, auditing, network isolation, or data exposure reduction. It is not the right enforcement point for this case; the scenario needs the control that governs the data or identity path being tested.
Why D is Wrong: SQLAgentUserRole is a security-related control, but its value depends on whether the requirement is identity, encryption, auditing, network isolation, or data exposure reduction. It protects or manages a different security layer, so the required database access or protection behavior would still be incomplete.

NEW QUESTION # 365
You have a Microsoft SQL Server 2019 database named DB1 that uses the following database-level and instance-level features.
* Clustered columnstore indexes
* Automatic tuning
* Change tracking
* PolyBase
You plan to migrate DB1 to an Azure SQL database.
What feature should be removed or replaced before DB1 can be migrated?

A. PolyBase
B. Change tracking
C. Clustered columnstore indexes
D. Automatic tuning

Answer: A

Explanation:
Explanation
This table lists the key features for PolyBase and the products in which they're available.

Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/polybase/polybase-versioned-feature-summary

NEW QUESTION # 366
You have an on-premises Microsoft SQL Server instance named SQL1 that hosts multiple databases.
You have an Azure subscription that contains an Azure SQL managed instance named SQLMI1.
You need to perform an offline migration of the SQL1 databases to SQLMI1 by using Azure Data Studio.
What should you install on SQL1?

A. SQL Server Data Tools (SSDT)
B. an Azure Migrate appliance
C. a self-hosted integration runtime
D. Data Migration Assistant (DMA)

Answer: C

Explanation:
Migrate SQL Server to Azure SQL Managed Instance with DMS
You can use Azure Database Migration Service (DMS) and the Azure SQL migration extension in Azure Data Studio to migrate databases from a SQL Server instance to Azure SQL Managed Instance with minimum downtime.
Prerequisites include:
* Provide an SMB network share, Azure storage account file share, or Azure storage account blob container that contains your full database backup files and subsequent transaction log backup files. Database Migration Service uses the backup location during database migration.
* If your database backups are on a network file share, provide a computer on which you can install a self-hosted integration runtime to access and migrate database backups. The migration wizard gives you the download link and authentication keys to download and install your self- hosted integration runtime.
* If you use a self-hosted integration runtime, make sure that the computer on which the runtime is installed can connect to the source SQL Server instance and the network file share where backup files are located.
Reference:
https://learn.microsoft.com/en-us/data-migration/sql-server/managed-instance/database- migration-service?tabs=offline-with-extension

NEW QUESTION # 367
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