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Microsoft DP-300 Exam Syllabus Topics:

Section	Weight	Objectives
Implement a secure environment	20–25%	- Implement compliance and security controls 1. Configure auditing and logging 2. Implement data masking and classification 3. Assess and remediate vulnerabilities - Secure data at rest and in transit 1. Manage keys and certificates 2. Configure encryption for connections and data transfer 3. Implement Transparent Data Encryption - Configure authentication and authorization 1. Apply least privilege principle 2. Manage database users, roles, and permissions 3. Implement Microsoft Entra ID authentication
Plan and configure high availability and disaster recovery	20–25%	- Configure high availability solutions 1. Configure Always On availability groups 2. Implement failover groups and auto-failover 3. Test and monitor HA/DR operations - 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. Evaluate hybrid and cross-region options 3. Choose between built-in and custom solutions
Monitor and optimize operational resources	15–20%	- 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 - Optimize resource consumption 1. Adjust compute, storage, and tier settings 2. Manage costs and licensing 3. Implement auto-scaling and elasticity - 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
Optimize query performance	15–20%	- Analyze query execution plans 1. Evaluate index usage and design 2. Identify bottlenecks and inefficiencies 3. Interpret execution plans and statistics - Manage workload performance 1. Implement partitioning and compression 2. Troubleshoot slow-running queries 3. Control resource usage and concurrency - Improve query performance 1. Create and modify indexes 2. Optimize T-SQL code and constructs 3. Use query store and performance tuning tools
Plan and implement data platform resources	15–20%	- Implement migration strategies 1. Perform offline and online migrations 2. Evaluate migration requirements and strategies 3. Migrate between Azure services or from on-premises - 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 - 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

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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q101-Q106):

NEW QUESTION # 101
You plan to create a table in an Azure Synapse Analytics dedicated SQL pool.
Data in the table will be retained for five years. Once a year, data that is older than five years will be deleted.
You need to ensure that the data is distributed evenly across partitions. The solutions must minimize the amount of time required to delete old data.
How should you complete the Transact-SQL statement? To answer, drag the appropriate values to the correct targets. Each value may be used once, more than once, or not at all.
You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Reference:
https://docs.microsoft.com/en-us/sql/t-sql/statements/create-table-azure-sql-data-warehouse
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/best-practices-dedicated-sql-pool

NEW QUESTION # 102
You are designing a date dimension table in an Azure Synapse Analytics dedicated SQL pool. The date dimension table will be used by all the fact tables.
Which distribution type should you recommend to minimize data movement?

A. ROUND_ROBIN
B. HASH
C. REPLICATE

Answer: C

Explanation:
A replicated table has a full copy of the table available on every Compute node. Queries run fast on replicated tables since joins on replicated tables don't require data movement. Replication requires extra storage, though, and isn't practical for large tables.
Incorrect Answers:
C: A round-robin distributed table distributes table rows evenly across all distributions. The assignment of rows to distributions is random. Unlike hash-distributed tables, rows with equal values are not guaranteed to be assigned to the same distribution.
As a result, the system sometimes needs to invoke a data movement operation to better organize your data before it can resolve a query.
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables-distribute

NEW QUESTION # 103
You have an on-premises Microsoft SQL Server 2016 server named Server1 that contains a database named DB1.
You need to perform an online migration of DB1 to an Azure SQL Database managed instance by using Azure Database Migration Service.
How should you configure the backup of DB1? 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/known-issues-azure-sql-db-managed-instance-online

NEW QUESTION # 104
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:

Explanation:

Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/monitoring-with-dmvs Basic Concept: This question tests monitor, configure, and optimize database resources in the DP-300 exam context. The correct choice is determined by the exact service boundary and operational requirement stated in the scenario.
Why the selected answer is Correct: The selected values fit this scenario because they apply the required Azure SQL configuration at the correct scope and sequence: You need to identify whether the issue relates to resource_semaphore waits.
Why the alternate choices are Wrong: The alternate selections apply to different administrative stages or different scopes. In a hotspot or drag-drop task, order and scope are part of the answer, so a technically valid Azure feature can still be wrong if it is placed in the wrong step.

NEW QUESTION # 105
You have two instances of SQL Server on Azure virtual Machines named VM1 and VM2. VM1 hosts a database named dbl.
You plan to create a database availability group (DAG) for dbl. The solution must use certificate authentication between VM1 and VM2.
You need to configure authentication for the outbound connections of VM1.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

Answer:

Explanation:

Explanation:

NEW QUESTION # 106
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