Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional日本語版): Databricks-Certified-Data-Engineer-Professional Exam

"Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional日本語版)", also known as Databricks-Certified-Data-Engineer-Professional exam, is a Databricks Certification. With the complete collection of questions and answers, PrepPDF has assembled to take you through 250 Q&As to your Databricks-Certified-Data-Engineer-Professional Exam preparation. In the Databricks-Certified-Data-Engineer-Professional exam resources, you will cover every field and category in Databricks Certification Certification helping to ready you for your successful Databricks Certification.

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  • Exam Code: Databricks-Certified-Data-Engineer-Professional
  • Exam Name: Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional日本語版)
  • Certification Provider: Databricks
  • Corresponding Certification: Databricks Certification
  • Updated: Sep 09, 2026
  • No. of Questions: 250 Questions & Answers with Testing Engine
  • Download Limit: Unlimited

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Databricks Databricks-Certified-Data-Engineer-Professional日本語 Exam Syllabus Topics:

SectionObjectives
Topic 1: Databricks Lakehouse Platform Architecture- Data governance concepts (Unity Catalog basics)
- Workspace and cluster architecture
- Medallion architecture (Bronze, Silver, Gold)
Topic 2: Delta Lake and Data Management- Schema evolution and enforcement
- Delta Lake transactions and ACID properties
- Time travel and versioning
Topic 3: Data Modeling and Transformation- Dimensional modeling concepts
- Spark SQL transformations
- Performance optimization techniques
Topic 4: Production Pipelines and Orchestration- Job scheduling and monitoring
- Databricks Workflows
- Error handling and recovery strategies
Topic 5: Data Ingestion and Processing- ETL pipeline design patterns
- Batch and streaming ingestion with Auto Loader
- Structured Streaming fundamentals

Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional日本語版) Sample Questions:

Question 1

データ エンジニアは、広告インプレッション (広告が表示されたとき) のストリームと、広告に対するユーザーのクリックの別のストリームを結合して、インプレッションがいつ収益化可能なクリックにつながったかを相関させたいと考えています。
以下のコードでは、Impressionsはウォーターマーク(「event_time」、「10 minutes」)付きのストリーミングデータフレームです。

データ エンジニアは、クエリの速度が大幅に低下していることに気付きました。
どのソリューションがパフォーマンスを向上させるでしょうか?

A. イベント時間制約に参加: clickTime >= impressionTime - 間隔 3 時間、透かしを削除
B. イベント時間制約での結合: clickTime == impressionTime を leftOuter 結合で使用
C. イベント時間制約に参加: clickTime >= impressionTime かつ clickTime <= impressionTime 間隔 1 時間
D. イベント時間制約に参加: clickTime + 3 時間 < impressionTime - 2 時間


Question 2

データ エンジニアは、広告インプレッション (広告が表示されたとき) のストリームと、広告に対するユーザーのクリックの別のストリームを結合して、インプレッションがいつ収益化可能なクリックにつながったかを相関させたいと考えています。

どのソリューションがパフォーマンスを向上させるでしょうか?

A.

B.

C.

D.


Question 3

データエンジニアは、チームメイトが作成した新しいSparkアプリケーションを本番環境に移行する必要があります。このアプリケーションには、ライブラリを含む多数の外部依存関係があり、カスタム環境変数とSpark構成パラメータを設定する必要があります。データエンジニアがこのタスクを達成するのに役立つ2つの方法はどれですか?(2つ選択してください。)

A. DBFSにライブラリをインストールする
B. DBFS 上に init スクリプトを作成します。
C. 初期化スクリプトでシークレットを使用して設定データを保存します
D. コンピューティング ポリシーを使用して、システム プロパティ、環境変数、および Spark 構成パラメータを設定します。
E. コンピューティングポリシーにライブラリを追加する


Question 4

Spark へのデータの取り込み時に Spark パーティションのサイズに直接影響する構成パラメータはどれですか?

A. spark.sql.adaptive.coalescePartitions.minPartitionNum
B. spark.sql.files.maxPartitionBytes
C. spark.sql.autoBroadcastJoinThreshold
D. spark.sql.files.openCostInBytes
E. spark.sql.adaptive.advisoryPartitionSizeInBytes


Question 5

データ エンジニアは、Jobs API を使用して Databricks でのジョブの監視と回復を自動化したいと考えています。
すべてのジョブをリストし、失敗したジョブを特定して再実行する必要があります。データエンジニアはどのような順序でAPIアクションを実行すべきでしょうか?

A. jobs/get エンドポイントを使用してジョブの詳細を取得し、jobs/update を使用して失敗したジョブを再実行します。
B. jobs/cancel エンドポイントを使用して失敗したジョブを削除し、jobs/create を使用してジョブを再作成して、新しいジョブを実行します。
C. jobs/list エンドポイントを使用してジョブを一覧表示し、jobs/runs/list を使用してジョブの実行ステータスを確認し、jobs/run-now を使用して失敗したジョブを再実行します。
D. jobs/list エンドポイントを使用してジョブを一覧表示し、jobs/create エンドポイントを使用して新しいジョブを作成し、jobs/run-now を使用して新しいジョブを実行します。


Solutions:

Question 1
Answer: C
Question 2
Answer: B
Question 3
Answer: B,D
Question 4
Answer: B
Question 5
Answer: C

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