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

Databricks-Certified-Data-Engineer-Professional日本語 Exam Simulator
  • Exam Code: Databricks-Certified-Data-Engineer-Professional-JPN
  • Exam Name: Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional日本語版)
  • Updated: Jul 29, 2026
  • Q & A: 250 Questions and Answers

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

SectionWeightObjectives
Topic 1: Data Ingestion & Acquisition7%- Use Auto Loader and structured streaming
- Ingest data from diverse sources
- Handle incremental and batch data loads
Topic 2: Data Sharing and Federation5%- Manage cross-platform data access
- Use Delta Sharing for secure data sharing
- Implement Lakehouse Federation
Topic 3: Ensuring Data Security and Compliance10%- Secure data at rest and in transit
- Ensure data privacy and compliance
- Implement access control and permissions
Topic 4: Developing Code for Data Processing using Python and SQL22%- Use Databricks-specific libraries and APIs
- Write efficient and maintainable code
- Implement complex data processing logic
Topic 5: Cost & Performance Optimisation13%- Apply cost management best practices
- Improve query and pipeline performance
- Optimize compute and storage resources
Topic 6: Data Modelling6%- Optimize table design and partitioning
- Design Medallion Architecture
- Implement dimensional and relational models
Topic 7: Debugging and Deploying10%- Deploy using Asset Bundles, CLI, and APIs
- Troubleshoot and debug pipelines
- Implement CI/CD and DevOps practices
Topic 8: Monitoring and Alerting10%- Monitor pipeline performance and health
- Track data lineage and metrics
- Set up alerts and notifications
Topic 9: Data Transformation, Cleansing, and Quality10%- Enforce data quality standards
- Implement schema evolution and management
- Apply data cleansing and validation rules
Topic 10: Data Governance7%- Use Unity Catalog for governance
- Enforce data policies and standards
- Manage data assets and metadata

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

1. クエリの実行に時間がかかりすぎています。Spark UI を調査した結果、データエンジニアがディスク使用量の大幅な増加を発見しました。使用されているコンピューティングインスタンスのコア対メモリ比は
1:2. データエンジニアが漏洩を最小限に抑えるために取るべき2つのステップは何ですか?(2つ選択してください。)

A) よりネットワーク帯域幅の広いコンピューティング インスタンスを選択します。
B) より多くのディスク容量を持つコンピューティングインスタンスを選択します。
C) コア対メモリ比の高いコンピューティング インスタンスを選択します。
D) spark.sql.files.maxPartitionBytes を減らします。
E) spark.sql.files.maxPartitionBytes を増やします。


2. コンピューティング リソースを最も多く消費しているユーザーを特定するために、データ エンジニアリング チームは、リソースの使用率とコスト管理を向上させるために、Databricks ワークスペース内の使用状況を監視する必要があります。
チームは、ワークスペースのアクティビティを詳細に可視化するために、Unity Catalog のシステムカタログで利用可能な Databricks システムテーブルを使用することにしました。これを実現するには、システムカタログからどの SQL クエリを実行すればよいでしょうか?

A) SELECT identity_metadata.run_as AS user_email,
SUM(usage_quantity) AS total_dbus
FROM system.billing.usage
GROUP BY user_email
ORDER BY total_dbus DESC
LIMIT 10
B) SELECT sku_name,
identity_metadata.created_by AS user_email,
COUNT(usage_quantity) AS total_dbus
FROM system.billing.usage
GROUP BY user_email, sku_name
ORDER BY total_dbus DESC
LIMIT 10
C) SELECT sku_name,
usage_metadata.run_name AS user_email,
SUM(usage_quantity) AS total_dbus
FROM system.billing.usage
GROUP BY user_email, sku_name
ORDER BY total_dbus DESC
LIMIT 10
D) SELECT sku_name,
identity_metadata.created_by AS user_email,
SUM(usage_quantity * usage_unit) AS total_dbus
FROM system.billing.usage
GROUP BY user_email, sku_name
ORDER BY total_dbus DESC
LIMIT 10


3. データエンジニアは、修復履歴を含む最新のジョブ実行に関する情報を収集するアプリケーションを作成する必要があります。データエンジニアはリクエストをどのようにフォーマットすればよいでしょうか?

A) job_idとinclude_historyパラメータを指定して/api/2.1/jobs/runs/getを呼び出します。
B) run_id と include_history パラメータを指定して /api/2.1/jobs/runs/get を呼び出します。
C) run_id と include_history パラメータを指定して /api/2.1/jobs/runs/list を呼び出します。
D) job_idとinclude_historyパラメータを指定して/api/2.1/jobs/runs/listを呼び出します。


4. データエンジニアがDatabricksで大規模なパーティション化された小売データセットを分析しています。各行は営業担当者による売上を表しています。データセットには、以下のスキーマを持つ数百万件のレコードが含まれています。
sales_df: [salesperson_id: string, region: string, sale_amount: double, sale_date: date] データ エンジニアは、各地域内の営業担当者を累計売上高に基づいてランク付けし、最高の売上高を 1 とする DataFrame を生成する必要があります。複数の営業担当者の合計売上高が同じ場合は、同じランクを共有する必要があります。
データ エンジニアは、PySpark ウィンドウ関数と dense_rank () 関数を使用してこのロジックを実装したいと考えています。
このランキングを実行するコード スニペットはどれですか?

A)

B)

C)

D)


5. 開発者はDatabricks Reposの認証情報を設定し、リモートGitリポジトリのクローンを作成しました。しかし、ワークスペースで現在表示されている唯一のブランチであるメインブランチに変更を加える権限がありません。このユーザーがチームメイトの作業を上書きするリスクなしにコードの更新を共有するには、どのような方法がありますか?

A) repos を使用してリモート リポジトリのフォークを作成し、すべての変更をコミットして、ソース リポジトリにプル リクエストを作成します。
B) Repos を使用して、リモート Git リポジトリから変更をプルし、変更がプルされたときに表示されたブランチに変更をコミットしてプッシュします。
C) Repos を使用して新しいブランチを作成し、すべての変更をコミットし、変更をリモート Git レパートリーにプッシュします。
D) Repos を使用してすべての相違点をマージし、リモート リポジトリにプル リクエストを送信します。
E) リポジトリを使用してすべての差異をマージし、リモート リポジトリにプル リクエストを送信します。


Solutions:

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

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