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

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

Exam Code: DP-420J

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

Updated: Oct 31, 2026

Q & A: 206 Questions and Answers

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What are the objectives of the Microsoft DP-420 Certification Exam?

As per the guidance of the DP-420 Dumps, there are 02 main objectives of the Microsoft DP-420 Certification Exam. The first is to understand Azure Cosmos DB architecture & components, and the second is to understand the design and implementation of cloud-native applications using Microsoft Azure Cosmos DB. Assessment of the candidate's technical knowledge and skills in the field of Azure SQL Database Administration.

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

Microsoft DP-420日本語 Exam Syllabus Topics:

SectionObjectives
Integrate Azure Cosmos DB with Azure services- Event-driven architectures
  • 1. Change Feed processing
    • 2. Integration with Azure Functions
      - Data pipelines and analytics
      • 1. Data movement patterns
        • 2. Synapse integration
          Design and implement data distribution- Replication and consistency
          • 1. Consistency levels
            • 2. Multi-region replication
              - Partitioning and scaling
              • 1. Throughput (RU/s) planning
                • 2. Logical and physical partitions
                  Optimize and maintain Cosmos DB solutions- Performance optimization
                  • 1. RU consumption optimization
                    • 2. Query performance tuning
                      - Monitoring and troubleshooting
                      • 1. Alerts and metrics
                        • 2. Diagnostics and logging
                          Design and implement data models for Azure Cosmos DB- Design indexing strategies
                          • 1. Indexing policies
                            • 2. Query optimization considerations
                              - Model data for NoSQL workloads
                              • 1. Partitioning strategies
                                • 2. Data modeling patterns (embed vs reference)

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

                                  Question #1

                                  Azure Cosmos DB for NoSQL コンテナをお持ちです。
                                  コンテナへのすべてのクエリは、境界状態整合性レベルを使用します。
                                  コンテナに対して多数のクエリを実行すると、HTTP 429 エラーが返されることがわかった。
                                  HTTP 429エラーの数を減らすための2つの方法は何ですか?それぞれの正解には、完全な解決策が示されています。
                                  注:正解ごとに1ポイントが加算されます。

                                  • A. 最大スループットを増加させる。
                                  • B. コンテナにポストトリガーを追加します。
                                  • C. クエリ要求オプションを使用して、整合性レベルを「強力」に変更します。
                                  • D. クライアントアプリケーションにクエリ再試行ロジックを追加します。
                                  • E. コンテナにプリトリガーを追加します。
                                  Reveal Solution  Discussion  0

                                  Correct Answer: A,D  🗳️

                                  Question #2

                                  Azure Cosmos DB for NoSQL アカウントにデータベースがあります。このデータベースには container1 という名前のコンテナーが含まれています。container1 のインデックス作成モードは none に設定されています。Azure Cognitive Search を構成して container1 からデータを抽出し、検索可能にします。すると、Cognitive Search のインデックスに Azure Cosmos DB のインデックスからのデータがすべて欠落していることがわかりました。この問題を解決するにはどうすればよいでしょうか?

                                  • A. Cognitive Search のインデックス属性を Retrievable に変更します。
                                  • B. Cognitive Search のインデックス属性を検索可能に変更します。
                                  • C. コンテナ 1 のインデックスモードを一貫性のあるモードに変更します。
                                  • D. コンテナ1のインデックスポリシーを変更して、/ * パスを除外します。
                                  Reveal Solution  Discussion  0

                                  Correct Answer: C  🗳️

                                  Question #3

                                  container1 という名前の Azure Cosmos DB コンテナがあり、プロビジョニングされたスループットと 2 つの物理パーティションがあります。container1 に対して次のメトリックを監視します。
                                  * 正規化されたRU消費量
                                  * HTTPステータスコードが429のリクエストの割合
                                  コンテナ1がリソース利用率を最大化するように設定されていることを確認する必要があります。
                                  各指標の最適値は何ですか?回答するには、回答欄で適切なオプション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:

                                  Question #4

                                  Azure Cosmos DB for NoSQL アカウントには、container1 という名前のコンテナが含まれています。
                                  コンテナ1をキーバリューストアとして使用し、アイテムIDとパーティションキーに対してポイント読み取りを実行する予定です。
                                  コンテナのインデックス作成ポリシーを定義する必要があります。ソリューションは以下の要件を満たす必要があります。
                                  * container1 の DefaultTimeToLive を設定する機能を提供します。
                                  ・導入時間を最小限に抑える。
                                  コストを最小限に抑える。
                                  インデックス作成ポリシーのJSON定義はどのように完成させるべきですか?回答するには、回答欄で適切なオプション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:

                                  Question #5

                                  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. 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。
                                  • B. 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。
                                  • 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. Container1にトリガーを追加します。
                                  • E. App1に再試行ロジックを追加します。
                                  Reveal Solution  Discussion  0

                                  Correct Answer: C,E  🗳️

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