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Updated: Oct 14, 2026
No. of Questions: 217 Questions & Answers with Testing Engine
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Databricks Databricks-Certified-Professional-Data-Engineer Korean Exam Syllabus Topics:
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Reference: https://www.databricks.com/learn/certification/data-engineer-professional
Databricks Databricks-Certified-Professional-Data-Engineer Korean Exam Overview:
| Certification Vendor: | Databricks |
|---|---|
| Exam Name: | Databricks Certified Professional Data Engineer Exam |
| Exam Number: | Databricks-Certified-Professional-Data-Engineer |
| Certificate Validity Period: | 2 years |
| Related Certifications: | Databricks Certified Data Analyst Associate Databricks Certified Associate Developer |
| Real Exam Qty: | 60 |
| Exam Price: | $200 USD |
| Exam Format: | Multiple Select, Multiple Choice |
| Exam Duration: | 90 minutes |
| Passing Score: | 70% |
| Available Languages: | English |
| Sample Questions: | Databricks Databricks-Certified-Professional-Data-Engineer Korean Sample Questions |
| Exam Way: | Online proctored exam (Pearson VUE) |
| Pre Condition: | Recommended: 6+ months of hands-on experience with Databricks and data engineering concepts; familiarity with Python or Scala and SQL is strongly recommended |
| Official Syllabus URL: | https://www.databricks.com/learn/certification/professional-data-engineer |
Databricks Certified Professional Data Engineer Exam (Databricks-Certified-Professional-Data-Engineer Korean Version) Sample Questions:
Databricks를 처음 사용하는 사용자가 작업 중인 파이프라인 로직의 실행 시간이 너무 오래 걸리는 문제를 해결하려고 합니다. 현재 사용자는 display() 호출을 사용하여 코드를 셀 단위로 실행하면서 새로운 변환이 작업에 추가될 때 코드가 논리적으로 올바른 결과를 생성하는지 확인하고 있습니다. 평균 실행 시간을 측정하기 위해 각 셀을 대화형으로 여러 번 실행하고 있습니다.
다음 중 어떤 조정을 하면 실제 운영 환경에서 코드 성능을 더 정확하게 측정할 수 있을까요?
- A. display()를 호출하면 작업이 강제로 트리거되지만, 많은 변환은 논리적 쿼리 계획에만 추가됩니다. 캐싱으로 인해 동일한 로직이 반복적으로 실행되면 의미 있는 결과를 얻을 수 없습니다.
- B. 개발 노트북에서 코드 실행 시간을 의미 있게 문제 해결하는 유일한 방법은 프로덕션 규모의 데이터와 프로덕션 규모의 클러스터를 사용하여 "모두 실행" 모드로 실행하는 것입니다.
- C. Scala는 인터랙티브 노트북을 사용하여 정확하게 테스트할 수 있는 유일한 언어입니다. Scala 코드를 JAR 파일로 컴파일하여 사용할 때 최상의 성능을 얻을 수 있기 때문입니다. 모든 PySpark 및 Spark SQL 로직은 리팩토링해야 합니다.
- D. Photon은 예약된 작업을 위해 시작된 클러스터에서만 활성화할 수 있으므로, 증분 코드 개발 중에 노트북을 작업으로 실행하고 실행 시간을 추적하려면 Jobs UI를 활용해야 합니다.
- E. 실제 운영 환경에서의 코드 개발은 반드시 IDE를 사용하여 수행해야 합니다. 오픈 소스 Spark 및 Delta Lake의 로컬 빌드 환경에서 코드를 실행하면 실제 운영 환경에서의 코드 성능을 가장 정확하게 예측할 수 있습니다.
Correct Answer: A 🗳️
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데이터 엔지니어가 늦게 도착하는 중복 레코드를 처리할 가능성이 있는 파이프라인을 구성하고 있습니다.
배치 내에서 레코드 중복을 제거하는 것 외에도, 다음 중 어떤 접근 방식을 사용하면 데이터 엔지니어가 델타 테이블에 데이터를 삽입할 때 이전에 처리된 레코드와 중복된 데이터를 제거할 수 있습니까?
- A. delta.deduplicate = true로 설정을 지정하세요.
- B. 고유 키를 기준으로 전체 외부 조인을 수행하고 기존 데이터를 덮어씁니다.
- C. 중복 레코드를 방지하려면 Delta Lake 스키마 강제 적용 기능을 활용하세요.
- D. 각 배치 작업이 완료된 후 델타 테이블을 진공 청소하십시오.
- E. 고유 키를 기준으로 일치 조건을 사용하여 삽입 전용 병합을 수행합니다.
Correct Answer: E 🗳️
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DevOps 팀은 Jobs UI를 사용하여 매일 실행되도록 예약된 노트북 모음으로 프로덕션 워크로드를 구성했습니다. 새로 합류한 데이터 엔지니어가 프로덕션 로직을 검토하기 위해 이러한 노트북 중 하나에 대한 액세스 권한을 요청했습니다.
운영 중인 코드나 데이터가 실수로 변경되는 것을 방지하면서 사용자에게 부여할 수 있는 최대 노트북 권한은 얼마입니까?
- A. 관리 가능
- B. 편집 가능
- C. 권한 없음
- D. 실행 가능
- E. 읽을 수 있음
Correct Answer: E 🗳️
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데이터 엔지니어링 팀이 배포 자동화를 설정하고 있습니다. Databricks CLI 명령어를 사용하여 워크스페이스 자산을 원격으로 배포하려면 적절한 인증 설정을 구성해야 합니다.
어떤 인증 방식이 가장 높은 수준의 보안을 제공할까요?
- A. OAuth 토큰 연동을 사용하는 서비스 주체를 사용합니다.
- B. 서비스 주체와 해당 개인 액세스 토큰을 사용합니다.
- C. 공유 사용자 계정과 해당 OAuth 클라이언트 비밀 키를 사용합니다.
- D. 서비스 주체 ID와 해당 OAuth 클라이언트 비밀 키를 사용합니다.
Correct Answer: A 🗳️
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필요한 모듈을 찾을 때 검색할 디렉터리 목록을 담고 있는 파이썬 변수는 무엇입니까?
- A. importlib.resource 경로
- B. pylib.source
- C. ,sys.path
- D. os-path
- E. pypi.path
Correct Answer: C 🗳️
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