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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. 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. Implement failover groups and auto-failover 2. Test and monitor HA/DR operations 3. Configure Always On availability groups
Topic 2: Plan and implement data platform resources	15–20%	- Deploy database resources 1. Configure resources for scale and performance 2. Deploy Azure SQL Database, Managed Instance, and SQL Server on Azure VMs 3. Automate deployment using templates, PowerShell, or CLI - Plan deployment of database offerings 1. Evaluate deployment options for Azure SQL services 2. Plan for scalability and performance requirements 3. Identify use cases for hybrid and multi-cloud solutions - Implement migration strategies 1. Migrate between Azure services or from on-premises 2. Evaluate migration requirements and strategies 3. Perform offline and online migrations
Topic 3: Implement a secure environment	20–25%	- Secure data at rest and in transit 1. Implement Transparent Data Encryption 2. Manage keys and certificates 3. Configure encryption for connections and data transfer - 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. Implement Microsoft Entra ID authentication 3. Apply least privilege principle
Topic 4: Optimize query performance	15–20%	- 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. Implement partitioning and compression 3. Control resource usage and concurrency - Improve query performance 1. Create and modify indexes 2. Use query store and performance tuning tools 3. Optimize T-SQL code and constructs
Topic 5: Monitor and optimize operational resources	15–20%	- Automate maintenance and operations 1. Schedule and perform updates and patches 2. Automate tasks using jobs, scripts, or Logic Apps 3. Manage database lifecycle operations - Optimize resource consumption 1. Manage costs and licensing 2. Adjust compute, storage, and tier settings 3. Implement auto-scaling and elasticity - Monitor database performance and health 1. Use Azure Monitor, SQL Insights, and metrics 2. Set up alerts and notifications 3. Identify and diagnose performance issues

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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q157-Q162):

NEW QUESTION # 157
You manage 100 Azure SQL managed instances located across 10 Azure regions.
You need to receive voice message notifications when a maintenance event affects any of the 10 regions. The solution must minimize administrative effort.
What should you do?

A. From Microsoft SQL Server Management Studio (SSMS), configure a SQL Server agent job.
B. From the Azure portal, configure an activity log alert.
C. From the Azure portal, create an Azure Advisor operational excellence alert.
D. From the Azure portal, create a service health alert.

Answer: A

NEW QUESTION # 158
You have an Azure Synapse Analytics Apache Spark pool named Pool1.
You plan to load JSON files from an Azure Data Lake Storage Gen2 container into the tables in Pool1. The structure and data types vary by file.
You need to load the files into the tables. The solution must maintain the source data types.
What should you do?

A. Load the data by using PySpark.
B. Use a Conditional Split transformation in an Azure Synapse data flow.
C. Use a Get Metadata activity in Azure Data Factory.
D. Load the data by using the OPENROWSET Transact-SQL command in an Azure Synapse Analytics serverless SQL pool.

Answer: A

Explanation:
Synapse notebooks support four Apache Spark languages:
PySpark (Python)
Spark (Scala)
Spark SQL
.NET Spark (C#)
Note: Bring data to a notebook.
You can load data from Azure Blob Storage, Azure Data Lake Store Gen 2, and SQL pool as shown in the code samples below.
Read a CSV from Azure Data Lake Store Gen2 as a Spark DataFrame. from pyspark.sql import SparkSession from pyspark.sql.types import * account_name = "Your account name" container_name = "Your container name" relative_path = "Your path" adls_path =
'abfss://%s@%s.dfs.core.windows.net/%s' % (container_name, account_name, relative_path) df1
= spark.read.option('header', 'true') \
.option('delimiter', ',') \
.csv(adls_path + '/Testfile.csv')
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/spark/apache-spark-development-using-notebooks

NEW QUESTION # 159
You have an on-premises Microsoft SQL Server 2019 instance that hosts a database named DB1.
You plan to perform an online migration of DB1 to an Azure SQL managed instance by using the Azure Database Migration Service.
You need to create a backup of DB1 that is accessible to the Azure Database Migration Service.
What should you run for the backup and where should you store the backup? 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/dms/tutorial-sql-server-managed-instance-online

NEW QUESTION # 160
You have an Azure subscription that is linked to an Azure AD tenant named contoso.com. The subscription contains an Azure SQL database named SQL 1 and an Azure web named app1. App1 has the managed identity feature enabled.
You need to create a new database user for app1.
How should you complete the Transact-SQL statement? To answer, select the appropriate options in the answer are a.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

NEW QUESTION # 161
You have an Azure subscription that contains a storage account named databasebackups.
You have an Azure SQL managed instance named DB1.
You need to back up DB1 to databasebackups.
How should you complete the commands? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation:

NEW QUESTION # 162
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