Databricks Databricks-Certified-Data-Engineer-Professional日本語 : Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional日本語版)
- Exam Code: Databricks-Certified-Data-Engineer-Professional日本語
- Exam Name: Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional日本語版)
- Updated: Sep 18, 2026 Q & A: 250 Questions and Answers
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Databricks Databricks-Certified-Data-Engineer-Professional日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Modeling and Storage | 20% | - Data Modeling - File Formats - Storage Optimization |
| Topic 2: Monitoring and Troubleshooting | 16% | - Troubleshooting - Monitoring - Performance Optimization |
| Topic 3: Data Quality and Governance | 12% | - Data Quality - Governance - Data Lineage |
| Topic 4: Databricks Lakehouse Platform | 24% | - Lakehouse Architecture - Delta Lake - Unity Catalog - Data Management |
| Topic 5: Data Processing | 28% | - ETL Pipelines - Data Transformation - Spark SQL - Structured Streaming |
Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional日本語版) Sample Questions:
データガバナンスチームは、個人識別情報(PII)を含む「ユーザー」テーブルの社会保障番号列に適切なマスキングを施すことを必須としました。これは、HRAdminGroup以外のユーザーからは、マスキングされた社会保障番号が***-**-として表示されることを意味します。
****。
チームはマスキング機能を作成しました。
この目標を達成するために、データ ガバナンス チームは次に何をする必要がありますか?
- A. CREATE TABLE users
(name STRING, ssn INT MASKED ssn_mask); - B. CREATE TABLE users
(name STRING, int STRING);
ALTER TABLE users ALTER COLUMN ssn CREATE MASK if is_member('HRAdminGroup'); - C. CREATE TABLE users
(name STRING, ssn STRING);
ALTER TABLE users ALTER COLUMN ssn SET MASK ssn_mask; - D. CREATE TABLE users
(name STRING);
ALTER TABLE users CREATE COLUMN ssn CREATE MASK ssn_mask;
Correct Answer: C 🗳️
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ほぼリアルタイムのワークロードを容易にするために、データエンジニアはDatabricks Auto Loaderのスキーマ検出および進化機能を活用するヘルパー関数を作成しています。この関数は、ソースのスキーマを自動で直接検出し、ソースディレクトリにJSONファイルが到着すると段階的に処理し、新しいフィールドが検出されるとテーブルのスキーマを自動的に進化させます。
関数は以下に空白で表示されます。
指定された要件を満たすために空欄を正しく埋める回答はどれですか?
- A.
- B.
- C.
- D.
- E.
Correct Answer: A 🗳️
Explanation: Only visible for Pass4guide members. You can sign-up / login (it's free).
データ エンジニアリング チームは、自動化された ETL プロセスの一環としてテーブルのタグ付けシステムを実装し、Unity Catalog 内のテーブルにプログラムでタグを適用する必要があります。
プログラムによってテーブルにタグを追加する SQL コマンドはどれですか?
- A. SET TAGS FOR table_name AS ('key1' = 'value1', 'key2' = 'value2');
- B. APPLY TAGS ON table_name VALUES ('key1' = 'value1', 'key2' = 'value2');
- C. ALTER TABLE table_name SET TAGS ('key1' = 'value1', 'key2' = 'value2');
- D. COMMENT ON TABLE table_name TAGS ('key1' = 'value1', 'key2' = 'value2');
Correct Answer: C 🗳️
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データエンジニアがDatabricksクエリプロファイラーでクエリの実行を確認している際、「上位演算子」パネルに、処理時間(Time Spent)とメモリピーク(Memory Peak)のメトリックが高いソート演算子が表示されていることを発見しました。Spark UIにも、頻繁なデータ流出が報告されています。データエンジニアはこの問題にどのように対処すべきでしょうか？
- A. ソートする前に、DataFrame を単一のパーティションに再パーティション化します。
- B. ソート操作をフィルタ操作に変換します。
- C. メモリ使用量を削減するためにブロードキャスト参加に切り替えます。
- D. シャッフルパーティションの数を増やして、データをより適切に分散します。
Correct Answer: D 🗳️
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実稼働クラスターには 3 つのエグゼキュータ ノードがあり、ドライバーとエグゼキュータに同じ仮想マシン タイプを使用します。
このクラスターの Ganglia メトリックを評価する場合、ドライバー上で実行されるコードによって発生したボトルネックを示すインジケーターはどれですか?
- A. 受信バイト数は1秒あたり8000万バイトを超えることはありません
- B. クラスタ全体のCPU使用率は約25%です
- C. ディスク容量の合計は一定のままです
- D. ネットワークI/Oが急上昇することはありません
- E. 5分間の負荷平均は一定/平坦のままです
Correct Answer: B 🗳️
Explanation: Only visible for Pass4guide members. You can sign-up / login (it's free).
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