Microsoft Microsoft Azure DP-300J

Microsoft Microsoft Azure DP-300J Administering Relational Databases on Microsoft Azure (DP-300日本語版) Exams

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How to Register For Exam DP-300: Administering Relational Databases on Microsoft Azure?

Exam Register Link: https://examregistration.microsoft.com/?locale=en-us&examcode=DP-300&examname=Exam%20DP-300:%20Administering%20Relational%20Databases%20on%20Microsoft%20Azure&returnToLearningUrl=https%3A%2F%2Fdocs.microsoft.com%2Flearn%2Fcertifications%2Fexams%2Fdp-300

Reference: https://learn.microsoft.com/en-us/credentials/certifications/azure-database-administrator-associate/?practice-assessment-type=certification

Exam Topics

The Microsoft DP-300 exam measures the capability of the candidates to complete certain technical tasks, such as querying performance, planning and implementing the High Availability & Disaster Recovery environment, and optimizing & monitoring operational resources. The highlights of these topics are as follows:

• Query Performance Optimization: 5-10%

  This knowledge area of the exam will test the ability of the students to evaluate performance optimization, evaluate query plans, and review index design and database table. This covers their competence in identifying issues with data quality based on duplication of data; evaluating a strategy for table partitioning; evaluating index design for optimal performance.

• Operational Resources Optimization and Monitoring: 15-20%

  The test takers need the relevant skills in managing performance and activity, identifying issues related to performance, and implementing maintenance tasks that are related to performance. This section of the exam also requires that they demonstrate their expertise in configuring resources and user databases for optimum performance.

• Tasks Automation Performance: 10-15%

  The examinees should have the capacity to develop scheduled tasks, measure and execute notification and alert strategies, and automate and manage tasks within Azure. This part will test their skills in managing schedules for different maintenance jobs, automating backups, and creating alerts for the server configuration changes.

• Secure Environment Implementation: 15-20%

  This topic will evaluate the capability of the candidates to use database tools and platforms to configure the authentication and authorization of database. It will also measure the skills required to implement the security for data on rest. Additionally, the individuals should develop their expertise in implementing security for data on transit and compliance controls for delicate data.

• HADR Planning and Implementation: 15-20%

  This domain requires that the candidates have the ability to recommend High Availability & Disaster Recovery (HADR) strategies for data platform solutions. It also covers the skills in testing HADR strategies with the use of database tools, platforms, and operating systems. The subject area will also evaluate one’s expertise in performing the backup and restoration of a database with the use of database tools. It will also measure the ability to configure High Availability & Disaster Recovery with the use of platform, database tools, and OS.

• Use of T-SQL in Administration Performance: 10-15%

  Within this module, the individuals should be able to evaluate system health and use T-SQL to monitor the configuration of database. It will evaluate their skills in performing backup and database restoration with the use of T-SQL, as well as managing authentication and authorization utilizing T-SQL.

• Data Platform Resources Planning and Implementation: 15-20%

  The applicants should have the ability to deploy resources with the use of manual methods. They should also be able to recommend the relevant database contributions based on certain prerequisites. The examinees will be measured based on their competence in configuring resources for performance and scale; evaluating strategies for movement to Azure. They also need the knowledge of upgrade or migration strategy implementation to move to Azure.

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Languages: English, Chinese (Simplified), Japanese, Korean

Retirement date: none

This exam measures your ability to accomplish the following technical tasks: plan and implement data platform resources; implement a secure environment; monitor and optimize operational resources; optimize query performance; perform automation of tasks; plan and implement a High Availability and Disaster Recovery (HADR) environment; and perform administration by using T-SQL.

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Microsoft DP-300日本語 Exam Syllabus Topics:

Microsoft Administering Relational Databases on Microsoft Azure (DP-300日本語版) Sample Questions:

Question #1
あなたは、DB1という名前のAzure SQLデータベースを含むAzureサブスクリプションを所有しています。
次の図に示すように、クエリパフォーマンス分析の結果が得られます。

Question #2
Azure SQL データベースを含む Azure サブスクリプションがあります。
データベースがクエリにタイムリーに応答できません。
問題が resource_semaphore の待機に関連しているかどうかを特定する必要があります。
Transact-SQL クエリをどのように完了する必要がありますか? 回答するには、回答領域で適切なオプションを選択してください。
注意: 正しい選択ごとに 1 ポイントが加算されます。

Question #3
注：この質問は、同じシナリオを提示する一連の質問の一部です。シリーズの各質問には、述べられた目標を達成する可能性のある独自の解決策が含まれています。一部の質問セットには複数の正しい解決策がある場合がありますが、他の質問セットには正しい解決策がない場合があります。
このセクションの質問に回答した後は、その質問に戻ることはできません。その結果、これらの質問はレビュー画面に表示されません。
Table1という名前のテーブルを含むAzureSynapseAnalytics専用のSQLプールがあります。
container1という名前のAzureData Lake StorageGen2コンテナーに取り込まれてロードされるファイルがあります。
ファイルからTable1にデータを挿入し、データを変換することを計画しています。ファイル内のデータの各行は、Table1のサービングレイヤーに1つの行を生成します。
ソースデータファイルがcontainer1にロードされるときに、DateTimeがTable1の追加の列として格納されていることを確認する必要があります。
解決策：Azure Synapse Analyticsパイプラインでは、ファイルの日時を取得するメタデータの取得アクティビティを使用します。
これは目標を達成していますか？

A. はい
B. いいえ

Question #4
注：この問題は、同じシナリオを提示する一連の問題の一部です。このシリーズの各問題には、提示された目標を満たす可能性のある独自の解答が含まれています。問題セットによっては、複数の正解がある場合もあれば、正解がない場合もあります。
このセクションの質問に回答すると、後から戻って回答することはできません。そのため、これらの質問は復習画面には表示されません。
Azure仮想マシン上にSQL Server 2019がインストールされています。
SQL Serverインスタンス内のクエリのパフォーマンス問題のトラブルシューティングを行っています。
より詳細な情報を収集するために、sys.dm_exec_requests を照会すると、待機タイプが PAGELATCH_UP であり、待機リソースが 2:3:905856 であることがわかります。
システムのパフォーマンスを改善する必要があります。
解決策：トランザクションログファイルを縮小します。
これは目標を達成していると言えるでしょうか？
データ

A. はい
B. いいえ

Question #5
Azure Synapse Analytics サーバーレス SQL プールを使用して、Azure Data Lake Storage Gen2 アカウント内のバス運賃データの探索的分析を実行しています。
次の図に示す Transact-SQL クエリを実行します。

ドロップダウン メニューを使用して、グラフィックに表示された情報に基づいて各ステートメントを完成させる回答の選択肢を選択します。

Solutions: