100% Pass Reliable Microsoft - DP-300 - Administering Relational Databases on Microsoft Azure Answers Real Questions

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Microsoft DP-300 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: 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 - 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 - 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
Topic 2: Plan and configure high availability and disaster recovery	20–25%	- 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 - 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 - Configure high availability solutions 1. Implement failover groups and auto-failover 2. Configure Always On availability groups 3. Test and monitor HA/DR operations
Topic 3: Implement a secure environment	20–25%	- Secure data at rest and in transit 1. Configure encryption for connections and data transfer 2. Implement Transparent Data Encryption 3. Manage keys and certificates - Implement compliance and security controls 1. Configure auditing and logging 2. Implement data masking and classification 3. Assess and remediate vulnerabilities - 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. Evaluate index usage and design 2. Identify bottlenecks and inefficiencies 3. Interpret execution plans and statistics - Manage workload performance 1. Troubleshoot slow-running queries 2. Implement partitioning and compression 3. Control resource usage and concurrency - Improve query performance 1. Use query store and performance tuning tools 2. Optimize T-SQL code and constructs 3. Create and modify indexes
Topic 5: Plan and implement data platform resources	15–20%	- 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 - 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

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Quiz 2026 Microsoft Unparalleled DP-300: Administering Relational Databases on Microsoft Azure Answers Real Questions

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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q52-Q57):

NEW QUESTION # 52
You have an Azure SQL database named db1 on a server named server1.
The Intelligent Insights diagnostics log identifies queries that cause performance issues due to tempDB contention.
You need to resolve the performance issues.
What should you do?

A. Run the dbcc flushprocindB command.
B. Replace the sequential index keys with nonsequential keys.
C. Run the dbcc dbreindex command.
D. Implement memory-optimized tables.

Answer: D

Explanation:
TempDB contention troubleshooting:
The diagnostics log outputs tempDB contention details. You can use the information as the starting point for troubleshooting. There are two things you can pursue to alleviate this kind of contention and increase the throughput of the overall workload: You can stop using the temporary tables. You also can use memory- optimized tables.
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/intelligent-insights-troubleshoot-performance#tempdb-contention

NEW QUESTION # 53
You plan to develop a dataset named Purchases by using Azure Databricks. Purchases will contain the following columns:
ProductID
ItemPrice
LineTotal
Quantity
StoreID
Minute
Month
Hour
Year
Day
You need to store the data to support hourly incremental load pipelines that will vary for each StoreID. The solution must minimize storage costs.
How should you complete the code? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Reference:
https://intellipaat.com/community/11744/how-to-partition-and-write-dataframe-in-spark-without-deleting-partitions-with-no-new-data

NEW QUESTION # 54
You have an Azure SQL database.
You need to implement a disaster recovery solution that meets the following requirements:
* Minimizes how long it takes to recover the database if a datacenter fails
* Minimizes administrative effort
What should you include in the solution?

A. active geo-replication
B. auto-failover groups
C. Azure Site Recovery
D. Azure Backup

Answer: B

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 D is Correct: auto-failover groups is correct because it is the feature whose normal purpose matches the stated requirement. Auto-failover groups provide managed geo-replication and listener-based failover for Azure SQL Database or Managed Instance, including automatic failover policies for regional outages. The scenario wording points to that specific behavior: You need to implement a disaster recovery solution that meets the following requirements: * Minimizes how long it takes to recover the database if a datacenter fails * Minimizes administrative effort What should you include in the solution?
Why A is Wrong: Azure Backup is part of the availability or recovery design space, but the correct choice must satisfy the specified failover, restore, quorum, RPO, or RTO requirement. It is not wrong technology in general, but it is the wrong HA/DR control for this scenario ' s failure model.
Why B is Wrong: Active geo-replication creates readable secondary databases, but failover groups add the managed listener and automatic failover abstraction needed for application continuity at scale. It does not meet the failover, restore, quorum, or cross-region continuity target stated in the question, even if it is valid in a different availability design.
Why C is Wrong: Azure Site Recovery is part of the availability or recovery design space, but the correct choice must satisfy the specified failover, restore, quorum, RPO, or RTO requirement. It handles a different resilience pattern and would not deliver the failover or recovery behavior required here.

NEW QUESTION # 55
From a website analytics system, you receive data extracts about user interactions such as downloads, link clicks, form submissions, and video plays.
The data contains the following columns:

You need to design a star schema to support analytical queries of the data. The star schema will contain four tables including a date dimension.
To which table should you add each column? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation:

Box 1: FactEvents
Fact tables store observations or events, and can be sales orders, stock balances, exchange rates, temperatures, etc.
Box 2: DimChannel
Dimension tables describe business entities - the things you model. Entities can include products, people, places, and concepts including time itself. The most consistent table you'll find in a star schema is a date dimension table. A dimension table contains a key column (or columns) that acts as a unique identifier, and descriptive columns.
Box 3: DimEvent
Reference:
https://docs.microsoft.com/en-us/power-bi/guidance/star-schema

NEW QUESTION # 56
You have a Microsoft SQL Server database named DB1 that contains a table named Table1.
The database role membership for a user named User1 is shown in the following exhibit.

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation:
Box 1: delete a row from Table1
Members of the db_datawriter fixed database role can add, delete, or change data in all user tables.
Box 2: db_datareader
Members of the db_datareader fixed database role can read all data from all user tables.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/security/authentication-access/database-level-roles

NEW QUESTION # 57
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