Databricks Databricks-Certified-Data-Engineer-Professional Korean : Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional Korean Version)
- Exam Code: Databricks-Certified-Data-Engineer-Professional Korean
- Exam Name: Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional Korean Version)
- Updated: Oct 09, 2026
- Q & A: 250 Questions and Answers
About Databricks Databricks-Certified-Data-Engineer-Professional Korean Exam
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Databricks Databricks-Certified-Data-Engineer-Professional Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Databricks Lakehouse Platform Architecture | - Data governance concepts (Unity Catalog basics) - Medallion architecture (Bronze, Silver, Gold) - Workspace and cluster architecture |
| Topic 2: Delta Lake and Data Management | - Schema evolution and enforcement - Time travel and versioning - Delta Lake transactions and ACID properties |
| Topic 3: Data Modeling and Transformation | - Performance optimization techniques - Spark SQL transformations - Dimensional modeling concepts |
| Topic 4: Production Pipelines and Orchestration | - Error handling and recovery strategies - Job scheduling and monitoring - Databricks Workflows |
| Topic 5: Data Ingestion and Processing | - ETL pipeline design patterns - Structured Streaming fundamentals - Batch and streaming ingestion with Auto Loader |
Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional Korean Version) Sample Questions:
분석팀은 데이터 엔지니어링팀이 생성한 고객 거래 델타 테이블(약 200억 건의 레코드)을 대상으로 Databricks SQL에서 단기 실험을 실행하려고 합니다. 데이터 엔지니어링팀은 가동 중지 시간을 최소화하고 진행 중인 ETL 프로세스에 영향을 미치지 않도록 어떤 전략을 사용해야 할까요?
- A. 분석팀을 위해 테이블을 딥 클론합니다.
- B. 분석팀을 위해 테이블을 얕은 복제합니다.
- C. 분석팀에게 프로덕션 테이블에 대한 직접 액세스 권한을 부여합니다.
- D. CTAS 문을 사용하여 분석팀을 위한 새 테이블을 생성합니다.
Correct Answer: B 🗳️
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데이터 설계자는 외부 소스에서 Databricks Lakehouse로 데이터가 수집되면 테이블 액세스 제어를 활용하여 모든 프로덕션 테이블 및 뷰에 대한 권한을 관리하기로 결정했습니다.
핵심 엔지니어링 그룹에 운영 데이터베이스에 대한 대화형 쿼리 권한을 부여하기 위해 다음과 같은 로직이 실행되었습니다.
prod 데이터베이스에 대한 사용 권한을 eng에 부여합니다.
GRANT SELECT ON DATABASE prod TO eng;
eng 그룹에 부여된 권한이 이것뿐이고 이 사용자들이 워크스페이스 관리자가 아니라고 가정할 때, 이들의 권한을 설명하는 문장은 무엇일까요?
- A. 그룹 구성원은 프로덕션 데이터베이스의 모든 테이블과 뷰를 생성, 조회 및 수정할 수 있지만 사용자 지정 함수를 정의할 수는 없습니다.
- B. 그룹 구성원은 프로덕션 데이터베이스에 대한 모든 권한을 가지며 다른 사용자 또는 그룹에게 권한을 할당할 수도 있습니다.
- C. 그룹 구성원은 프로덕션 데이터베이스의 모든 테이블과 뷰를 조회할 수 있지만, 데이터베이스에서 아무것도 생성하거나 편집할 수는 없습니다.
- D. 그룹 구성원은 프로덕션 데이터베이스의 모든 테이블과 뷰를 조회하고 수정할 수 있지만, 새 테이블이나 뷰를 생성할 수는 없습니다.
- E. 그룹 구성원은 프로덕션 데이터베이스의 모든 테이블 목록을 볼 수 있지만 해당 테이블에 대한 쿼리 결과는 볼 수 없습니다.
Correct Answer: C 🗳️
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데이터 엔지니어가 Databricks Auto Loader를 사용하여 클라우드 객체 스토리지에서 JSON 파일을 가져오고 있습니다.
소스 폴더에 대용량 데이터가 가끔씩 유입될 수 있는데, 이로 인해 데이터 스트림에 과부하가 걸릴 위험이 있습니다. 예측 가능한 마이크로 배치 크기를 유지하기 위해, 팀에서는 파일 개수와 관계없이 스캔된 데이터 볼륨을 1GB로 설정하여 데이터 수집 속도를 조절하려고 합니다. 데이터 엔지니어는 이러한 목표를 달성하기 위해 어떤 Auto Loader 설정을 사용해야 할까요?
- A. 제한을 설정하려면 cloudFiles.maxSizePerTrigger를 1GB로 구성하십시오.
- B. 제한을 설정하려면 cloudFiles.maxBytesPerTrigger를 1GB로 구성하십시오.
- C. cloudFiles.maxFilesPerTrigger를 구성하고 평균 파일 크기를 추정하여 1GB의 크기 기반 제한을 적용합니다.
- D. 각 파티션의 데이터 용량을 제한하려면 cloudFiles.maxPartitionBytes를 1GB로 설정하십시오.
Correct Answer: B 🗳️
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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. 18세 미만의 모든 연령 값은 null 값으로 반환됩니다. 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. 나이가 17세 이상인 기록의 경우 모든 열이 정상적으로 표시되며, 이 조건을 충족하지 않는 기록은 생략됩니다.
- E. age 열의 모든 값은 null 값으로 반환되고, 나머지 열은 user_ltv의 값으로 반환됩니다.
Correct Answer: B 🗳️
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Databricks CLI가 올바르게 설치 및 구성되었다고 가정할 때, 프로덕션 작업에서 사용하기 위해 DBFS로 마운트된 객체 스토리지에 사용자 지정 Python Wheel을 업로드하는 데 사용할 수 있는 Databricks CLI 명령은 무엇입니까?
- A. 작업 공간
- B. 일자리
- C. 도서관
- D. 구성
- E. fs
Correct Answer: E 🗳️
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