Microsoft - DP-300–Professional Actual Exam Dumps

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Microsoft DP-300 Exam Syllabus Topics:

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

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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q145-Q150):

NEW QUESTION # 145
You have SQL Server on an Azure virtual machine that contains a database named DB1.
The database reports a CHECKSUM error.
You need to recover the database.
How should you complete the statements? 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/sql/t-sql/database-console-commands/dbcc-checkdb-transact-sql

NEW QUESTION # 146
You have two Azure virtual machines named VM1 and VM2 that run Windows Server 2019. VM1 and VM2 each host a default Microsoft SQL Server 2019 instance. VM1 contains a database named DB1 that is backed up to a file named D:\DB1.bak.
You plan to deploy an Always On availability group that will have the following configurations:
VM1 will host the primary replica of DB1.
VM2 will host a secondary replica of DB1.
You need to prepare the secondary database on VM2 for the availability group.
How should you complete the Transact-SQL statement? To answer, select the appropriate options in the answer area.

Answer:

Explanation:

Explanation:

Reference:
https://docs.microsoft.com/en-us/sql/database-engine/availability-groups/windows/manually-prepare-a-secondary-database-for-an-availability-group-sql-server?view=sql-server-ver15 Basic Concept: This question tests high availability and disaster recovery design for Azure SQL, SQL Server on Azure VMs, and regional failure scenarios.
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 prepare the secondary database on VM2 for the availability group.
Why the alternate choices are Wrong: The alternate choices do not satisfy the stated availability design because quorum and listener resources must match Azure failover-cluster behavior and the required SLA.

NEW QUESTION # 147
D18912E1457D5D1DDCBD40AB3BF70D5D
You need to identify the cause of the performance issues on SalesSQLDb1.
Which two dynamic management views should you use? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

A. sys.dm_cdc_errors
B. sys.dm_exec_compute_node_errors
C. sys.dm_exec_requests
D. sys.dm_pdw_nodes_tran_locks
E. sys.dm_pdw_nodes_os_wait_stats
F. sys.dm_tran_locks

Answer: D,E

Explanation:
SalesSQLDb1 experiences performance issues that are likely due to out-of-date statistics and frequent blocking queries.
A: Use sys.dm_pdw_nodes_tran_locks instead of sys.dm_tran_locks from Azure Synapse Analytics (SQL Data Warehouse) or Parallel Data Warehouse.
E: Example:
The following query will show blocking information.
SELECT
t1.resource_type,
t1.resource_database_id,
t1.resource_associated_entity_id,
t1.request_mode,
t1.request_session_id,
t2.blocking_session_id
FROM sys.dm_tran_locks as t1
INNER JOIN sys.dm_os_waiting_tasks as t2
ON t1.lock_owner_address = t2.resource_address;
Note: Depending on the system you're working with you can access these wait statistics from one of three locations:
sys.dm_os_wait_stats: for SQL Server
sys.dm_db_wait_stats: for Azure SQL Database
sys.dm_pdw_nodes_os_wait_stats: for Azure SQL Data Warehouse
Incorrect Answers:
F: sys.dm_tran_locks returns information about currently active lock manager resources in SQL Server 2019 (15.x). Each row represents a currently active request to the lock manager for a lock that has been granted or is waiting to be granted.
Instead use sys.dm_pdw_nodes_tran_locks.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-tran-locks-transact-sql

NEW QUESTION # 148
You have an Azure SQL database.
You need to identify whether a delayed query execution is associated to a RESOURCE wait.
How should you complete the Transact -SQL statement? To answer, select the appropriate option in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation

NEW QUESTION # 149
You have a Microsoft SQL Server 2017 server that hosts five databases.
You Plan to migrate the databases to Azure.
You need to recommend a solution that meets the following requirements:
* Automatically scales compute based on the workload demand
* Provides per-second billing
What should you include in the recommendation? To answer, select the appropriate options in the answer area.

Answer:

Explanation:

Explanation:

NEW QUESTION # 150
......

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