Databricks Databricks-Certified-Data-Engineer-Professional Korean : Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional Korean Version)

Databricks-Certified-Data-Engineer-Professional Korean real exams

Exam Code: Databricks-Certified-Data-Engineer-Professional-KR

Exam Name: Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional Korean Version)

Updated: Oct 10, 2026

Q & A: 250 Questions and Answers

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Databricks Databricks-Certified-Data-Engineer-Professional Korean Exam Syllabus Topics:

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

Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional Korean Version) Sample Questions:

Question #1

user_ltv라는 테이블은 여러 팀의 데이터 분석가들이 사용할 뷰를 생성하는 데 사용됩니다. 워크스페이스의 사용자들은 그룹으로 구성되어 있으며, 이러한 그룹은 ACL을 사용하여 데이터 접근 권한을 설정하는 데 사용됩니다.
user_ltv 테이블은 다음과 같은 스키마를 가지고 있습니다.
이메일 문자열, 나이 정수, 장기존존기간 정수
다음 뷰 정의가 실행됩니다.

감사 그룹의 구성원이 아닌 분석가가 다음 쿼리를 실행합니다.
SELECT * FROM user_ltv_no_minors
다음 중 이 쿼리의 결과를 가장 잘 설명하는 문장은 무엇입니까?

  • A. age 열의 모든 값은 null 값으로 반환되고, 나머지 열은 user_ltv의 값으로 반환됩니다.
  • B. 18세 이상인 기록의 경우 모든 열이 정상적으로 표시되며, 이 조건을 충족하지 않는 기록은 생략됩니다.
  • C. 모든 열의 모든 레코드가 user_ltv 값과 함께 표시됩니다.
  • D. 18세 미만의 모든 연령 값은 null 값으로 반환됩니다. 나머지 열은 user_ltv의 값으로 반환됩니다.
  • E. 나이가 17세 이상인 기록의 경우 모든 열이 정상적으로 표시되며, 이 조건을 충족하지 않는 기록은 생략됩니다.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #2

데이터 엔지니어가 Auto Loader를 사용하여 들어오는 JSON 데이터를 읽고 있습니다. 유효하지 않은 JSON 레코드를 격리하도록 Auto Loader를 구성했지만, 시간이 지남에 따라 형식이 올바른 JSON 레코드조차 격리되는 현상이 발생했습니다.
다음은 코드 조각입니다.
df = (spark.readStream
.format("cloudFiles")
.option("cloudFiles.format", "json")
.option("badRecordsPath", "/tmp/somewhere/badRecordsPath")
.schema("a int, b int")
.load("/Volumes/catalog/schema/raw_data/"))
데이터가 누락된 원인은 무엇입니까?

  • A. 어느 시점부터 상위 데이터 제공업체가 모든 데이터를 여러 줄로 된 JSON 형식으로 전환했습니다.
  • B. 소스 데이터는 유효한 JSON 형식이지만, 정의된 스키마를 어떤 방식으로든 준수하지 않습니다.
  • C. 엔지니어가 "cloudFiles.quarantineMode" 옵션을 "rescue"로 설정하는 것을 잊었습니다.
  • D. badRecordsPath 위치에 작은 파일들이 많이 누적되고 있습니다.
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Correct Answer: B  🗳️

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Question #3

현재 활성화된 클러스터의 모든 노드에 노트북 수준의 범위로 Python 패키지를 설치하는 방법은 무엇입니까?

  • A. 노트북 설정 스크립트에서 source env/bin/activate를 실행합니다.
  • B. 노트북 셀에서 &sh install을 사용하세요
  • C. 클러스터 UI를 사용하여 PyPi에서 라이브러리 설치
  • D. 노트북 셀에서 &Pip install을 사용하세요
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Correct Answer: C  🗳️

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Question #4

PySpark에서 ETL 코드에 DataFrame 변환을 사용하는 모듈식 및 테스트 가능한 방법을 보여주는 접근 방식은 무엇입니까?

  • A.
  • B.
  • C.
  • D.
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Correct Answer: D  🗳️

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Question #5

데이터 엔지니어가 소스에서 가져온 CDC(변경 데이터 캡처) 데이터를 처리하기 위해 Lakeflow 선언적 파이프라인을 구성하고 있습니다. 소스 이벤트는 때때로 순서대로 도착하지 않으며, 동일한 update_timestamp를 갖지만 update_sequence_id가 다른 여러 업데이트가 발생할 수 있습니다.
데이터 엔지니어는 이벤트 순서가 올바르게 유지되도록 하기 위해 무엇을 해야 할까요?

  • A. 윈도우 함수를 사용하여 LDP 파이프라인의 update_timestamp와 같은 동일한 파티션 내에서 update_sequence_id를 정렬합니다.
  • B. AUTO CDC API에서 SEQUENCE BY STRUCT(event_timestamp, update_sequence_id)를 사용하세요.
  • C. AUTO CDC API에서 track_history_column_list를 [event_timestamp, event_id]로 설정합니다.
  • D. LDP에서 순서가 잘못되었거나 중복된 레코드를 제거하려면 dropDuplicates()를 사용하십시오.
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Correct Answer: B  🗳️

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