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

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

Question #1
데이터 엔지니어는 manufacturing-team이라는 그룹에 액세스 권한을 부여해야 합니다. 이 팀은 quality 스키마에 테이블을 생성할 수 있는 권한이 필요합니다. manufacturing-team 그룹이 manufacturing이라는 상위 카탈로그를 가진 production 스키마에 테이블을 생성할 수 있도록 최소한의 권한으로 허용하는 SQL 명령은 무엇일까요?

A. GRANT CREATE TABLE ON SCHEMA manufacturing.quality TO manufacturing-team; GRANT USE SCHEMA ON SCHEMA manufacturing.quality TO manufacturing-team; GRANT USE CATALOG ON CATALOG manufacturing TO manufacturing-team;
B. GRANT CREATE TABLE ON SCHEMA manufacturing.quality TO manufacturing-team; GRANT CREATE SCHEMA ON SCHEMA manufacturing.quality TO manufacturing-team; GRANT USE CATALOG ON CATALOG manufacturing TO manufacturing-team;
C. 제조팀에게 제조 품질 스키마에 대한 테이블 사용 권한을 부여합니다. 제조팀에게 제조 품질 스키마에 대한 스키마 사용 권한을 부여합니다. 제조팀에게 제조 카탈로그에 대한 카탈로그 사용 권한을 부여합니다.
D. GRANT CREATE TABLE ON SCHEMA manufacturing.quality TO manufacturing-team; GRANT CREATE SCHEMA ON SCHEMA manufacturing.quality TO manufacturing-team; GRANT CREATE CATALOG ON CATALOG manufacturing TO manufacturing-team;


Question #2
데이터 엔지니어가 고객 ID, 거래 타임스탬프(밀리초 단위까지 정확), 지출액을 포함하는 PySpark DataFrame(df)의 거래 데이터를 분석하고 있습니다. 목표는 고객별 지출액의 누적 합계를 계산하는 것이며, 거래 타임스탬프를 기준으로 엄격하게 정렬해야 합니다. 누적 합계는 가장 이른 타임스탬프부터 현재 행까지의 모든 거래를 포함해야 하며, 각 고객 파티션 내에서는 시간 순서를 유지해야 합니다. 다음 PySpark 코드 스니펫 중 적절한 윈도우 사양을 구성하고 집계를 적용하여 고객별 정확한 누적 지출액을 산출하는 가장 적절한 코드는 무엇입니까?

A.

B.

C.

D.


Question #3
데이터 엔지니어가 Databricks의 Jobs API를 사용하여 작업 모니터링 및 복구를 자동화하려고 합니다.
데이터 엔지니어는 모든 작업을 나열하고, 실패한 작업을 식별한 후 다시 실행해야 합니다. 이때 어떤 API 작업을 순서대로 수행해야 할까요?

A. jobs/list 엔드포인트를 사용하여 작업 목록을 확인한 다음, jobs/create 엔드포인트를 사용하여 새 작업을 생성하고, jobs/run-now를 사용하여 새 작업을 실행합니다.
B. jobs/cancel 엔드포인트를 사용하여 실패한 작업을 제거한 다음 jobs/create를 사용하여 새 작업을 다시 생성하고 실행하십시오.
C. jobs/get 엔드포인트를 사용하여 작업 세부 정보를 가져온 다음 jobs/update를 사용하여 실패한 작업을 다시 실행합니다.
D. jobs/list 엔드포인트를 사용하여 작업 목록을 확인하고, jobs/runs/list를 사용하여 작업 실행 상태를 확인하고, jobs/run-now를 사용하여 실패한 작업을 다시 실행합니다.


Question #4
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.


Question #5
새로운 Databricks 프로젝트가 시작되면 중앙 IP 팀은 Terraform과 서비스 주체를 사용하여 필요한 인프라를 프로비저닝합니다. 여기에는 Databricks 워크스페이스, 외부 위치에 연결된 Unity 카탈로그, 그리고 모든 프로젝트 팀 구성원이 포함된 Databricks 그룹 생성이 포함됩니다. 프로젝트 팀은 테이블과 볼륨과 같은 모든 자산을 Unity 카탈로그에 관리형 자산으로 저장해야 합니다. 이 모델은 인프라의 복잡성을 숨기면서 팀에게 카탈로그 내에서의 자율성을 제공합니다. 팀은 스키마, 테이블, 볼륨 및 관련 객체를 생성하고 관리할 수 있지만, 카탈로그의 이름을 바꾸거나 삭제하거나 권한을 변경할 수는 없습니다. 이러한 권한은 IT 부서에서 관리합니다. 이 모델을 구현하기 위해 프로젝트 그룹에 어떤 권한을 부여해야 할까요?

A. 해당 그룹은 카탈로그에 USE CATALOG 및 USE SCHEMA 권한이 있어야 합니다.
B. 해당 그룹은 카탈로그에 대한 모든 권한을 가져야 합니다.
C. 해당 그룹이 카탈로그의 소유자가 되어야 합니다.
D. 해당 그룹은 모든 권한과 카탈로그 관리 권한을 가져야 합니다.


Solutions:

Question #1
Correct Answer: A
Question #2
Correct Answer: A
Question #3
Correct Answer: D
Question #4
Correct Answer: B
Question #5
Correct Answer: A

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