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Microsoft DP-420日本語 Actual Tests : Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420日本語版)

DP-420日本語 actual test
  • Exam Code: DP-420J
  • Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420日本語版)
  • Updated: Nov 08, 2026
  • Q & A: 206 Questions and Answers
  • Go To DP-420日本語 Questions
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  • Total Price: $139.00 $69.99  

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Exam DP-420: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB

Candidates for this exam must have solid knowledge and experience developing apps for Azure and working with Azure Cosmos DB database technologies. They should be proficient at developing applications by using the Core (SQL) API and SDKs, writing efficient queries and creating appropriate index policies, provisioning and managing resources in Azure, and creating server-side objects with JavaScript. They should be able to interpret JSON, read C# or Java code, and use PowerShell.

The English language version of this exam will be updated on August 4, 2022. Please download the skills measured document below to see what’s changing. If a localized version of this exam is available, it will be updated approximately eight weeks after this date.

Passing score: 700. Learn more about exam scores.

Part of the requirements for: Microsoft Certified: Azure Cosmos DB Developer Specialty

Download exam skills outline

Reference: https://docs.microsoft.com/en-us/learn/certifications/exams/dp-420?WT.mc_id=Azure_blog-wwl

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  • Knowledge & skills: The DP-420 Certification Exam is a good opportunity to learn about the latest technologies and advance your career. It will help you to get the latest knowledge and skills, which will be very useful in your work.

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Following is the info about the Passing Score, Duration & Questions for the Microsoft DP-420 Exam

Information about the Passing Score, Duration & Questions for the Microsoft DP-420 Exam is given in the DP-420 Dumps. The overview of that info is as given below:

  • Languages: English
  • Number of Questions: 40-60
  • The passing scores: 70%
  • Time Duration: 60 minutes

Who should take the Microsoft DP-420 Certification Exam?

The targeted audience of the Microsoft DP-420 Certification Exam is IT professionals, who are interested in designing and implementing cloud-native applications using Microsoft Azure Cosmos DB database technologies. The Microsoft DP-420 Certification Exam is an important certification exam for every IT professional, who wants to get a job in a reputable company. DP-420 Dumps suggest that those individuals who have job titles like Azure SQL Database Administrator, Azure SQL Database Developer, Azure Cosmos DB Administrator, and Azure Cosmos DB Developer can also take this certification exam.

Microsoft DP-420日本語 Exam Syllabus Topics:

SectionWeightObjectives
Optimize an Azure Cosmos DB solution15-20%- Optimize query performance
  • 1. Optimize throughput allocation
  • 2. Tune query structure and syntax
- Work with change feed
  • 1. Trigger downstream workflows
  • 2. Process changes incrementally
- Define and implement indexing strategy
  • 1. Select index types and paths
  • 2. Exclude or include properties
Maintain an Azure Cosmos DB solution25-30%- DevOps and automation
  • 1. Deploy via ARM, Bicep, CLI
  • 2. Automate operations
- Manage data movement
  • 1. Migrate between APIs or regions
  • 2. Import/export data
- Monitor and troubleshoot
  • 1. Use Azure Monitor and Application Insights
  • 2. Analyze metrics and logs
- Implement security
  • 1. Manage authentication and authorization
  • 2. Encrypt data at rest and in transit
- Implement backup and restore
  • 1. Perform point-in-time restore
  • 2. Configure periodic backup
Design and implement data models35-40%- Design partitioning strategy
  • 1. Choose partition key based on workload
  • 2. Plan for distribution and throughput
- Implement connectivity and data access
  • 1. Write efficient SQL queries
  • 2. Use SDKs to connect and operate
- Plan sizing and scaling
  • 1. Select consistency levels
  • 2. Provision throughput and storage
- Design and implement non-relational data models
  • 1. Embed related entities in documents
  • 2. Reference between documents
  • 3. Identify data and access patterns
  • 4. Define primary and unique keys
  • 5. Store multiple entity types in one container
  • 6. Configure time-to-live (TTL)
  • 7. Denormalize data across documents
Design and implement data distribution5-10%- Design replication strategy
  • 1. Implement multi-region write
  • 2. Configure multi-region replication
- Manage data distribution and failover
  • 1. Manage regional availability
  • 2. Define failover priorities
Integrate an Azure Cosmos DB solution5-10%- Integrate with Azure services
  • 1. Use with Azure Functions, Logic Apps, Event Hubs
  • 2. Connect to Azure Stream Analytics
- Enable analytical workloads
  • 1. Use Synapse Link
  • 2. Configure analytical store

Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420日本語版) Sample Questions:

Question #1

Azure Cosmos 06 の NoSQL アカウントに対してクエリを実行するアプリケーションがあります。
次の2つのクエリが頻繁に実行されていることがわかっています。

読み取りと書き込みで消費されるリクエストユニット(RU)を最小限に抑える必要があります。どのようなものを作成すればよいでしょうか?

  • A. (名前ASC、タイムスタンプASC)の複合インデックス
  • B. (名前降順、タイムスタンプ昇順) の複合インデックス
  • C. (名前 ASC タイムスタンプ ASC) の複合インデックスと (名前、タイムスタンプ ディスク) の複合インデックス
  • D. (名前昇順、タイムスタンプ降順) の複合インデックス
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

Container1 という名前の Azure Cosmos DB for NoSQL コンテナがあり、プロビジョニングされたスループットは
1秒あたり1,000リクエストユニット(RU/s)。コンテナ1は、App1という名前のアプリを使用して照会されます。
App1のユーザーから、1日に数回、次のエラーメッセージが表示されるとの報告がありました。「HTTPエラーコード
429. アプリのパフォーマンスに影響を与えずに、App1の信頼性を向上させる必要があります。信頼性を向上させる2つの方法は何ですか?正解はそれぞれ完全な解決策を示しています。注:正解ごとに1ポイントが加算されます。

  • A. Container1にトリガーを追加します。
  • B. App1に再試行ロジックを追加します。
  • C. コンテナ1のプロビジョニングスループットを増加させます。
  • D. App1をアップデートして、各リクエストのサイズを1MB未満に削減します。
  • E. App1を更新して、大きなリクエストを複数の小さなリクエストに分割します。
Reveal Solution  Discussion  0

Correct Answer: B,C  🗳️

Question #3

あなたはaccount1という名前のAzure Cosmos DB Core(SQL)APIアカウントを持っています。
account1では、100GBのデータを含むコンテナ内で次のクエリを実行します。
選択 *
c から
WHERE LOWER(c.categoryid) = " hockey "
クエリを実行する際に、以下の指標が表示されます。

以下の各記述について、正しい場合は「はい」を選択してください。そうでない場合は「いいえ」を選択してください。
注:正解ごとに1ポイントが加算されます。

Reveal Solution  Discussion  0

Correct Answer:


Explanation:

Box 1: No
Each physical partition should have its own index, but since no index is used, the query is not cross-partition.
Box 2: No
Index utilization is 0% and Index Look up time is also zero.
Box 3: Yes
A partition key index will be created, and the query will perform across the partitions.
Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/sql/how-to-query-container

Question #4

Azure Cosmos DB Core (SQL) API アカウントに、container1 という名前のコンテナがあります。
ユーザーUser1に、ロールベースアクセス制御(RBAC)を使用してコンテナ1にアイテムを挿入する権限を付与する必要があります。このソリューションは、最小権限の原則に従う必要があります。
User1にはどのような役割を割り当てるべきですか?

  • A. Cosmos DB組み込みデータコントリビューターのみ
  • B. DocumentDBアカウントコントリビューターおよびCosmos DB組み込みデータコントリビューター
  • C. CosmosDBオペレーターのみ
  • D. DocumentDBアカウント投稿者のみ
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #5

Azure Cosmos OB for NoSQL データベースに運用データが格納されています。
データベースユーザーからは、ビジネス分析チームがデータベースに対して大規模なApache Sparkベースのクエリを実行すると、データベースのパフォーマンスが著しく低下するという報告が寄せられている。
Sparkベースのクエリを実行することがデータベースユーザーに与える影響を軽減する必要があります。
何を実装すべきでしょうか?

  • A. Azure Synapse Link
  • B. スパークコネクタ
  • C. デフォルトの一貫性レベルは強い
  • D. デフォルトの一貫性レベルは一貫性プレフィックス
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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