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MicrosoftのDP-300の認定試験の受験生は試験に合格することが難しいというのをよく知っています。しかし、試験に合格することが成功への唯一の道ですから、試験を受けることを選ばなければなりません。職業価値を高めるために、あなたは認定試験に合格する必要があります。Jpshikenが開発された試験の問題と解答は異なるターゲットに含まれていますし、カバー率が高いですから、それを超える書籍や資料が絶対ありません。大勢の人たちの利用結果によると、Jpshikenの合格率は100パーセントに達したのですから、絶対あなたが試験を受かることに重要な助けになれます。Jpshikenは唯一のあなたの向いている試験に合格する方法で、Jpshikenを選んだら、美しい未来を選んだということになります。
DP-300試験は、個人がAzure SQLデータベースを設計、実装、および維持し、それらのデータベース内のデータを安全に保護する能力を評価するように設計されています。試験は、SQLサーバーの管理、データセキュリティ、スケーラビリティとパフォーマンス、およびデータベース移行などのトピックをカバーしています。DP-300認定を取得することで、個人はMicrosoft Azureの関係データベースを管理する能力を証明し、IT業界で高く求められるスキルを持っていることを示すことができます。
Microsoft DP-300(Microsoft Azureでリレーショナルデータベースの管理)認定試験は、Azureプラットフォームでリレーショナルデータベースの管理と管理のスキルを検証したい専門家向けに設計されています。この認定試験は、AzureおよびSQL Serverの操作の経験があり、クラウド上のリレーショナルデータベースの管理に習熟するために知識とスキルを向上させたいと考えています。
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Microsoft DP-300またはMicrosoft Azureの関係データベースの管理は、Microsoft Corporationが提供する認定試験です。この試験は、データベース管理者、データアーキテクト、およびデータ専門家向けに設計され、Azure SQLデータベースの管理スキルを学習し、証明したい人々を対象としています。DP-300試験は、Microsoftの認定プログラムの一部であり、IT専門家がMicrosoftの製品とサービスを効果的に管理するために必要な技術的な専門知識を持っていることを保証する業界標準の認定プログラムです。
Microsoft Administering Relational Databases on Microsoft Azure 認定 DP-300 試験問題 (Q136-Q141):
質問 # 136
You have the following Transact-SQL query.
Which column returned by the query represents the free space in each file?
正解:B
解説:
Section: [none]
Explanation:
Example:
Free space for the file in the below query result set will be returned by the FreeSpaceMB column.
SELECT DB_NAME() AS DbName,
name AS FileName,
type_desc,
size/128.0 AS CurrentSizeMB,
size/128.0 - CAST(FILEPROPERTY(name, 'SpaceUsed') AS INT)/128.0 AS FreeSpaceMB
FROM sys.database_files
WHERE type IN (0,1);
Reference:
https://www.sqlshack.com/how-to-determine-free-space-and-file-size-for-sql-server-databases/
質問 # 137
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.
正解:
解説:
Explanation:
Box 1: SINGLE_USER
The specified database must be in single-user mode to use one of the following repair options.
Box 2: REPAIR_ALLOW_DATA_LOSS
REPAIR_ALLOW_DATA_LOSS tries to repair all reported errors. These repairs can cause some data loss.
Note: The REPAIR_ALLOW_DATA_LOSS option is a supported feature but it may not always be the best option for bringing a database to a physically consistent state. If successful, the REPAIR_ALLOW_DATA_LOSS option may result in some data loss. In fact, it may result in more data lost than if a user were to restore the database from the last known good backup.
Reference:
https://docs.microsoft.com/en-us/sql/t-sql/database-console-commands/dbcc-checkdb-transact-sql
質問 # 138
Task 2
You need to configure your user account as the Azure AD admin for the server named sql3700689S.
正解:
解説:
See the explanation part for the complete Solution.
Explanation:
To configure your user account as the Azure AD admin for the server named sql3700689S, you can use the Azure portal or the Azure CLI. Here are the steps for both methods:
* Using the Azure portal:
* Go to the Azure portal and select SQL Server - Azure Arc.
* Select the server named sql3700689S and click on Active Directory admin.
* Click on Set admin and choose your user account from the list of Azure AD users.
* Click on Select and then Save to confirm the change.
* You can verify the Azure AD admin by clicking on Active Directory admin again and checking the current admin.
* Using the Azure CLI:
* Install the Azure CLI and log in with your Azure account.
* Run the following command to get the object ID of your user account: az ad user show --id
<your-user-name> --query objectId -o tsv
* Run the following command to set your user account as the Azure AD admin for the server: az sql server ad-admin create --server sql3700689S --object-id <your-object-id> --display-name
<your-user-name>
* You can verify the Azure AD admin by running the following command: az sql server ad-admin show --server sql3700689S These are the steps to configure your user account as the Azure AD admin for the server named sql3700689S.
質問 # 139
Case Study 1 - Litware, Inc
Overview
Litware, Inc. is a renewable energy company that has a main office in Boston. The main office hosts a sales department and the primary datacenter for the company.
Physical Locations
Existing Environment
Litware has a manufacturing office and a research office is separate locations near Boston. Each office has its own datacenter and internet connection.
The manufacturing and research datacenters connect to the primary datacenter by using a VPN.
Network Environment
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.
Drag and Drop Question
You need to configure user authentication for the SERVER1 databases. The solution must meet the security and compliance requirements.
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.
正解:
解説:
Explanation:
Scenario: Authenticate database users by using Active Directory credentials.
The configuration steps include the following procedures to configure and use Azure Active Directory authentication.
1. Create and populate Azure AD.
2. Optional: Associate or change the active directory that is currently associated with your Azure Subscription.
3. Create an Azure Active Directory administrator. (Step 1)
4. Configure your client computers.
5. Create contained database users in your database mapped to Azure AD identities. (Step 2)
6. Connect to your database by using Azure AD identities. (Step 3)
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/authentication-aad-overview
質問 # 140
You have an Azure subscription.
You need to deploy an Azure SQL resource that will support cross database queries by using an Azure Resource Manager (ARM) template.
How should you complete the ARM template? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
正解:
解説:
Explanation
Graphical user interface, text, application, Word, email Description automatically generated
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/managed-instance/create-template-quickstart?tabs=azure-power
質問 # 141
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