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下列DP-300练习题是Microsoft DP-300完整题库的一部分. DP-300完整练习题库共有341道题. Examook最新DP-300练习题库可以助您顺利通过考试. 如果您使用我们的题库没有效果, 我们将全额退还您的购买费用. 想要测试和学习Eaxmook DP-300练习题库? 现在开始吧!

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Microsoft DP-300 练习题库

DP-300 w练习题库的更新日期是 2025-03-13 .

正在练习第 1页 ，共 13 页.

正在练习第 1题 ，共 65 道题

题目#1

You have an Azure SQL managed instance.
You need to gather the last execution of a query plan and its runtime statistics. The solution must minimize the impact on currently running queries.
What should you do?

A. Generate an estimated execution plan.
B. Generate an actual execution plan.
C. Run sys.dm_exec_query_plan_scacs.
D. Generate Live Query Statistics.

Explanation:
Reference: https://docs.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-exec-query-plan-stats-transact-sql?view=sql-server-ver15

题目#2

1. Topic 1, Litware

Existing Environment
Network Environment
The manufacturing and research datacenters connect to the primary datacenter by using a VPN.
The primary datacenter has an ExpressRoute connection that uses both Microsoft peering and private peering. The private peering connects to an Azure virtual network named HubVNet.

Identity Environment
Litware has a hybrid Azure Active Directory (Azure AD) deployment that uses a domain named litwareinc.com. All Azure subscriptions are associated to the litwareinc.com Azure AD tenant.

Database Environment
The sales department has the following database workload:
- An on-premises named SERVER1 hosts an instance of Microsoft SQL Server 2012 and two 1-TB databases.
- A logical server named SalesSrv01A contains a geo-replicated Azure SQL database named SalesSQLDb1. SalesSQLDb1 is in an elastic pool named SalesSQLDb1Pool. SalesSQLDb1 uses database firewall rules and contained database users.
- An application named SalesSQLDb1App1 uses SalesSQLDb1.

The manufacturing office contains two on-premises SQL Server 2016 servers named SERVER2 and SERVER3. The servers are nodes in the same Always On availability group. The availability group contains a database named ManufacturingSQLDb1

Database administrators have two Azure virtual machines in HubVnet named VM1 and VM2 that run Windows Server 2019 and are used to manage all the Azure databases.

Licensing Agreement
Litware is a Microsoft Volume Licensing customer that has License Mobility through Software Assurance.

Current Problems
SalesSQLDb1 experiences performance issues that are likely due to out-of-date statistics and frequent blocking queries.

Requirements
Planned Changes
Litware plans to implement the following changes:
- Implement 30 new databases in Azure, which will be used by time-sensitive manufacturing apps that have varying usage patterns. Each database will be approximately 20 GB.
- Create a new Azure SQL database named ResearchDB1 on a logical server named ResearchSrv01. ResearchDB1 will contain Personally Identifiable Information (PII) data.
- Develop an app named ResearchApp1 that will be used by the research department to populate and access ResearchDB1.
- Migrate ManufacturingSQLDb1 to the Azure virtual machine platform.
- Migrate the SERVER1 databases to the Azure SQL Database platform.

Technical Requirements
Litware identifies the following technical requirements:
- Maintenance tasks must be automated.
- The 30 new databases must scale automatically.
- The use of an on-premises infrastructure must be minimized.
- Azure Hybrid Use Benefits must be leveraged for Azure SQL Database deployments.
- All SQL Server and Azure SQL Database metrics related to CPU and storage usage and limits must be analyzed by using Azure built-in functionality.

Security and Compliance Requirements
Litware identifies the following security and compliance requirements:
- Store encryption keys in Azure Key Vault.
- Retain backups of the PII data for two months.
- Encrypt the PII data at rest, in transit, and in use.
- Use the principle of least privilege whenever possible.
- Authenticate database users by using Active Directory credentials.
- Protect Azure SQL Database instances by using database-level firewall rules.
- Ensure that all databases hosted in Azure are accessible from VM1 and VM2 without relying on public endpoints.

Business Requirements
Litware identifies the following business requirements:
- Meet an SLA of 99.99% availability for all Azure deployments.
- Minimize downtime during the migration of the SERVER1 databases.
- Use the Azure Hybrid Use Benefits when migrating workloads to Azure.
- Once all requirements are met, minimize costs whenever possible.

You are evaluating the business goals.
Which feature should you use to provide customers with the required level of access based on their service agreement?

A. dynamic data masking
B. Conditional Access in Azure
C. service principals
D. row-level security (RLS)

Explanation:
Reference: https://docs.microsoft.com/en-us/sql/relational-databases/security/row-level-security?view=sql-server-ver15

题目#3

Topic 5, Misc. Questions

HOTSPOT
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.


A. 

Explanation:
Box 1: SET AUTOMATIC_TUNING = AUTO
To enable automatic tuning on a single database via T-SQL, connect to the database and execute the following query:
ALTER DATABASE current SET AUTOMATIC_TUNING = AUTO
Setting automatic tuning to AUTO will apply Azure Defaults.
Box 2: SET AUTOMATIC_TUNING (FORCE_LAST_GOOD_PLAN = ON)
To configure individual automatic tuning options via T-SQL, connect to the database and execute the query such as this one:
ALTER DATABASE current SET AUTOMATIC_TUNING (FORCE_LAST_GOOD_PLAN = ON)
Setting the individual tuning option to ON will override any setting that database inherited and enable the tuning option. Setting it to OFF will also override any setting that database inherited and disable the tuning option.

题目#4

You plan to move two 100-GB databases to Azure.
You need to dynamically scale resources consumption based on workloads. The solution must minimize
downtime during scaling operations.
What should you use?

A. An Azure SQL Database elastic pool
B. SQL Server on Azure virtual machines
C. an Azure SQL Database managed instance
D. Azure SQL databases

Explanation:
Azure SQL Database elastic pools are a simple, cost-effective solution for managing and scaling multiple
databases that have varying and unpredictable usage demands. The databases in an elastic pool are on a single server and share a set number of resources at a set price.
Reference: https://docs.microsoft.com/en-us/azure/azure-sql/database/elastic-pool-overview

题目#5

You have an Azure Stream Analytics job.
You need to ensure that the job has enough streaming units provisioned.
You configure monitoring of the SU % Utilization metric.
Which two additional metrics should you monitor? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

A. Late Input Events
B. Out of order Events
C. Backlogged Input Events
D. Watermark Delay
E. Function Events

Explanation:
To react to increased workloads and increase streaming units, consider setting an alert of 80% on the SU Utilization metric. Also, you can use watermark delay and backlogged events metrics to see if there is an impact.
Note: Backlogged Input Events: Number of input events that are backlogged. A non-zero value for this metric implies that your job isn't able to keep up with the number of incoming events. If this value is slowly increasing or consistently non-zero, you should scale out your job, by increasing the SUs.
Reference: https://docs.microsoft.com/en-us/azure/stream-analytics/stream-analytics-monitoring

考题代码: DP-300考题数: 341 道题更新时间:  2025-03-13

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