Databricks Certified Associate Developer for Apache Spark 試験対策問題集

模擬試験モードの設定

上記は本サイトの模擬試験モードの設定値です。実際の試験の出題数・制限時間・合格基準は、各認定プログラムの公式サイトでご確認ください。

出題分野

• Apache Spark Architecture and Components（構成要素）（出題比率 20%）
• Using Spark SQL（Spark SQL の活用）（出題比率 20%）
• Developing Spark DataFrame/DataSet API Apps（API 開発）（出題比率 29%）
• Troubleshooting and Tuning DataFrame API Apps（調査と調整）（出題比率 11%）
• Structured Streaming（構造化ストリーミング）（出題比率 11%）
• Using Spark Connect to deploy applications（Spark Connect）（出題比率 5%）
• Using Pandas API on Apache Spark（Pandas API の活用）（出題比率 4%）

フリー問題

1. A team is reviewing an Apache Spark application that reads sales files, aggregat…
2. A retail sales pipeline runs on a cluster with 4 executors that each have 4 core…
3. A DataFrame is reused by three separate actions, so a developer calls persist on…
4. An engineer is reading the event timeline of a completed Apache Spark applicatio…
5. A team queries a folder of CSV files directly from SQL and finds that every colu…
6. A pipeline is being written for a shared landing zone where several teams may wr…
7. A nightly extract from a busy operational database must finish in an hour withou…
8. The same team then wants to lay out a large table by a high-cardinality user ide…
9. A developer wants to apply a Python side effect, such as sending a notification,…
10. A large fact DataFrame must be enriched with attributes from a small reference D…
11. A job needs a small lookup dictionary available inside a transformation on every…
12. A DataFrame from a retail feed has 60 columns whose names contain spaces, and th…
13. A dashboard shows the number of distinct visitors per hour over 50 million rows …
14. A production job reads JSON files whose fields are known and fixed. The team wan…
15. A team upgrades to a recent Apache Spark release and hears that the engine can r…
16. An engineer needs to read the standard error output of a specific executor to in…
17. A team claims their streaming pipeline delivers each record to the destination e…
18. A developer new to Structured Streaming asks how a streaming query relates to a …
19. An architect is introducing Spark Connect to a team that has only ever run appli…
20. A developer needs a custom scoring function applied to a numeric column of a lar…