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

"Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional Korean Version)", also known as Databricks-Certified-Data-Engineer-Professional exam, is a Databricks Certification. With the complete collection of questions and answers, iPassleader has assembled to take you through 250 Q&As to your Databricks-Certified-Data-Engineer-Professional Exam preparation. In the Databricks-Certified-Data-Engineer-Professional exam resources, you will cover every field and category in Databricks Certification Certification helping to ready you for your successful Databricks Certification.

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Databricks Databricks-Certified-Data-Engineer-Professional Korean Exam Overview:

Certification Vendor:Databricks
Exam Name:Databricks Certified Data Engineer Professional Exam
Exam Number:Databricks-Certified-Data-Engineer-Professional
Available Languages:English
Exam Duration:120 minutes
Certificate Validity Period:2 years
Real Exam Qty:60
Related Certifications:Databricks Certified Data Engineer Associate
Exam Format:Multiple-response, Multiple-choice
Exam Price:USD 200
Passing Score:70
Sample Questions: DOWNLOAD DEMO
Exam Way:Online proctored
Pre Condition:Databricks Certified Data Engineer Associate certification
Official Syllabus URL:https://www.databricks.com/learn/certification/data-engineer-professional

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

SectionWeightObjectives
Data Processing28%- Data Transformation
- Spark SQL
- ETL Pipelines
- Structured Streaming
Monitoring and Troubleshooting16%- Performance Optimization
- Monitoring
- Troubleshooting
Data Modeling and Storage20%- Storage Optimization
- Data Modeling
- File Formats
Databricks Lakehouse Platform24%- Delta Lake
- Lakehouse Architecture
- Data Management
- Unity Catalog
Data Quality and Governance12%- Data Lineage
- Data Quality
- Governance

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Currently, the Databricks-Certified-Data-Engineer-Professional Korean exam requires a passing score of 70 and carries a registration fee of USD 200. Databricks can revise either figure, so confirm both on the official site before you schedule.

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The Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional Korean Version) blueprint is structured around these main domains:

  • Data Processing (28%)
  • Data Modeling and Storage (20%)
  • Data Quality and Governance (12%)

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Databricks lists these prerequisites for the Databricks Certified Data Engineer Professional Exam (Databricks-Certified-Data-Engineer-Professional Korean Version): Databricks Certified Data Engineer Associate certification.

Confirm the current requirements on the official certification page before registering.

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

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. 중복 레코드를 방지하려면 Delta Lake 스키마 강제 적용 기능을 활용하세요.
  • B. 고유 키를 기준으로 전체 외부 조인을 수행하고 기존 데이터를 덮어씁니다.
  • C. delta.deduplicate = true로 설정을 지정하세요.
  • D. 고유 키를 기준으로 일치 조건을 사용하여 삽입 전용 병합을 수행합니다.
  • E. 각 배치 작업이 완료된 후 델타 테이블을 진공 청소하십시오.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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스트림 정적 조인과 정적 델타 테이블에 관한 다음 설명 중 올바른 것은 무엇입니까?

  • A. 체크포인트 디렉터리는 조인에 존재하는 고유 키의 상태 정보를 추적하는 데 사용됩니다.
  • B. 스트림-정적 조인의 각 마이크로배치는 해당 마이크로배치 시점의 정적 델타 테이블의 최신 버전을 사용합니다.
  • C. 스트림-정적 조인의 각 마이크로배치는 작업 초기화 시점의 최신 버전의 정적 델타 테이블을 사용합니다.
  • D. 체크포인트 디렉터리는 정적 델타 테이블의 업데이트를 추적하는 데 사용됩니다.
  • E. 스트림 정적 조인은 일관성 문제로 인해 정적 델타 테이블을 사용할 수 없습니다.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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데이터 엔지니어가 Lakeflow Declarative Pipelines의 Expectations 기능을 사용하여 수신되는 센서 데이터의 품질을 추적하고 있습니다. 센서에서 주기적으로 범위를 벗어난 잘못된 측정값이 전송되는데, 현재는 해당 행에 경고 플래그를 지정하고 정상 데이터와 함께 실버 테이블에 기록하고 있습니다. 그런데 새로운 요구 사항이 생겼습니다. 잘못된 행을 별도의 격리 테이블에 격리하고 더 이상 실버 테이블에 포함하지 않아야 한다는 것입니다.
이것은 그들의 은색 테이블에 대한 기존 코드입니다:
@dlt.table
@dlt.expect("valid_sensor_reading", "reading < 120")
def silver_sensor_readings():
spark.readStream.table("bronze_sensor_readings")를 반환합니다.
어떤 코드가 요구 사항을 충족할까요?

  • A. @dlt.table
    @dlt.expect_or_drop("valid_sensor_reading", "reading < 120")
    def silver_sensor_readings():
    spark.readStream.table("bronze_sensor_readings")를 반환합니다.
    @dlt.table
    @dlt.expect_or_drop("invalid_sensor_reading", "reading >= 120")
    def quarantine_sensor_readings():
    spark.readStream.table("bronze_sensor_readings")를 반환합니다.
  • B. @dlt.table
    @dlt.expect("valid_sensor_reading", "reading < 120")
    def silver_sensor_readings():
    spark.readStream.table("bronze_sensor_readings")를 반환합니다.
    @dlt.table
    @dlt.expect("invalid_sensor_reading", "reading >= 120")
    def quarantine_sensor_readings():
    spark.readStream.table("bronze_sensor_readings")를 반환합니다.
  • C. @dlt.table
    @dlt.expect_or_drop("valid_sensor_reading", "reading < 120")
    def silver_sensor_readings():
    spark.readStream.table("bronze_sensor_readings")를 반환합니다.
    @dlt.table
    @dlt.expect("invalid_sensor_reading", "reading < 120")
    def quarantine_sensor_readings():
    spark.readStream.table("bronze_sensor_readings")를 반환합니다.
  • D. @dlt.table
    @dlt.expect_or_drop("valid_sensor_reading", "reading < 120")
    def silver_sensor_readings():
    spark.readStream.table("bronze_sensor_readings")를 반환합니다.
    @dlt.table
    @dlt.expect("invalid_sensor_reading", "reading >= 120")
    def quarantine_sensor_readings():
    spark.readStream.table("bronze_sensor_readings")를 반환합니다.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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데이터 거버넌스 팀은 개인 식별 정보(PH)가 포함된 모든 테이블에 명확한 주석을 추가해야 한다는 요구 사항을 도입했습니다. 여기에는 열 주석, 테이블 주석 추가 및 사용자 지정 테이블 속성 "contains_pii" = true 설정이 포함됩니다.
다음 SQL DDL 문이 실행되어 새 테이블이 생성됩니다.

이 세 가지 요구 사항이 충족되었는지 수동으로 확인할 수 있는 명령은 무엇입니까?

  • A. 개발 이력 설명 dev.pii 테스트
  • B. 확장된 dev.pii 테스트에 대해 설명하세요
  • C. dev.pii 테스트의 TBL 속성 표시
  • D. dev.pii 테스트 상세 설명
  • E. 개발 테이블 표시
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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데이터 과학 팀은 MLflow를 사용하여 프로덕션 모델을 생성하고 로그에 기록했습니다. 다음 코드는 프로덕션 모델을 올바르게 가져와 적용하여 "customer_id LONG, predictions DOUBLE, date DATE" 스키마를 가진 preds라는 새 DataFrame으로 예측 결과를 출력합니다.

데이터 과학 팀은 예측 결과를 Delta Lake 테이블에 저장하고, 시간 경과에 따른 모든 예측 결과를 비교할 수 있기를 원합니다. 고객 이탈 예측은 하루에 최대 한 번만 수행됩니다.
어떤 코드 블록이 잠재적인 컴퓨팅 비용을 최소화하면서 이 작업을 수행합니까?

  • A.
  • B. preds.write.mode("append").saveAsTable("churn_preds")
  • C. preds.write.format("delta").save("/preds/churn_preds")
  • D.
  • E.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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