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| Section | Weight | Objectives |
|---|---|---|
| Implement a SQL Server database | 15-20% | - Provision and configure SQL Server on Azure VMs
|
| Monitor database operations | 10-15% | - Troubleshoot database issues
|
| Plan and implement data platform resources | 20-25% | - Plan and implement data platform resources based on requirements
|
| Optimize database solutions | 10-15% | - Optimize query performance
|
| Implement a PaaS database solution | 15-20% | - Implement and configure Azure SQL Managed Instance
|
| Implement secure resources | 20-25% | - Implement a risk mitigation strategy based on requirements
|
DP-300 認證可代表豐富且多樣化的工作角色及責任。因此，取得特定的認證將可做為具備成功執行重要IT功能所需之能力的最佳證明。由於受到全世界企業專家的熱烈支持，DP-300 認證仍是達到長期事業目標的最有效率的方法之一，並且是公司用來開發及留住重要IT人員的不二法門。但是如何在第一次嘗試中就能有效的通過Microsoft 的 DP-300 認證考試？這個問題的答案隨著 Testpdf 產生已經不再是問題了。
問題 #165
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.
答案：
解題說明：
Reference:
https://docs.microsoft.com/en-us/azure/dms/known-issues-azure-sql-db-managed-instance-online
問題 #166
You have an Azure subscription that contains an Azure SQL managed instance named SQL1.
You use the Microsoft Power B1 service.
You need to configure connectivity from the Power B1 service to SQL1. The solution must ensure that only the Power B1 service can initiate connections to SQL1.
Which type of endpoint should you use for SQL1, and what should you use to control the connections to SQL1? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
答案：
解題說明：
Explanation:
問題 #167
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have SQL Server 2019 on an Azure virtual machine.
You are troubleshooting performance issues for a query in a SQL Server instance.
To gather more information, you query sys.dm_exec_requests and discover that the wait type is PAGELATCH_UP and the wait_resource is 2:3:905856.
You need to improve system performance.
Solution: You reduce the use of table variables and temporary tables.
Does this meet the goal?
答案：A
解題說明：
Reference:
https://docs.microsoft.com/en-US/troubleshoot/sql/performance/recommendations-reduce-allocation- contention Basic Concept: This question tests database auditing and query visibility. DP-300 expects you to distinguish between collecting audit events, retaining logs, and analyzing query behavior.
Why A is Correct: Yes matches the expected DP-300 administration action. Yes is related to operational monitoring or tuning, but it must match the exact signal needed: query history, resource utilization, wait
/blocking detail, or automatic remediation. The question is not asking for a general Azure capability; it is asking for the feature that produces this result: Each question in the series contains a unique solution that might meet the stated goals.
Why B is Wrong: No is related to operational monitoring or tuning, but it must match the exact signal needed:
query history, resource utilization, wait/blocking detail, or automatic remediation. It is useful in other troubleshooting paths, but this scenario requires a more specific monitoring or optimization feature.
問題 #168
You need to implement authentication for ResearchDB1. The solution must meet the security and compliance requirements.
What should you run as part of the implementation?
答案：D
解題說明：
Explanation
Scenario: Authenticate database users by using Active Directory credentials.
(Create a new Azure SQL database named ResearchDB1 on a logical server named ResearchSrv01.) Authenticate the user in SQL Database or SQL Data Warehouse based on an Azure Active Directory user:
CREATE USER [Fritz@contoso.com] FROM EXTERNAL PROVIDER;
Reference:
https://docs.microsoft.com/en-us/sql/t-sql/statements/create-user-transact-sql
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.
問題 #169
Hotspot Question
You have an on-premises Microsoft SQL Server 2016 instance that hosts a database named db1.
You have an Azure subscription that contains an Azure SQL managed instance named MI1.
You plan to perform an online migration of db1 to MI1 by using Azure Database Migration Service.
You need to create the backups for the migration. The solution must minimize the number of backup files created.
Which type of backups should you create, and how should you store the backups? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
答案：
解題說明：
Explanation:
https://learn.microsoft.com/en-us/azure/dms/known-issues-azure-sql-db-managed-instance-online
問題 #170
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