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Updated: May 30, 2026
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Amazon AWS Certified Data Engineer - Associate (DEA-C01) (Data-Engineer-Associate Korean Version) Sample Questions:
1. 한 회사가 AWS Glue를 사용하여 데이터 처리 파이프라인을 구축하고 있습니다. 이 파이프라인은 Amazon S3에 저장된 데이터에 접근합니다. 회사는 데이터를 서로 다른 분류 수준을 나타내는 접두사가 붙은 폴더로 구성했습니다. 회사는 데이터 분류에 따라 특정 접두사가 붙은 폴더에만 AWS Glue 작업이 접근하도록 제한해야 합니다. 또한, 접근은 업무 시간(오전 9시부터 오후 5시까지)으로 제한되어야 합니다.
이러한 요구 사항을 충족하기 위해 회사는 사용자 지정 IAM 정책에 어떤 요소를 포함해야 합니까?
A) 각 접두사에 와일드카드를 사용하는 S3 객체 Amazon 리소스 이름(ARN) 패턴을 포함하는 리소스 요소와 TimeGreaterThan 및 TimeLessThan 연산자와 함께 $util.time 변수를 사용하는 조건 요소입니다.
B) 각 접두사에 와일드카드를 사용하는 S3 객체 Amazon 리소스 이름(ARN) 패턴을 포함하는 Resource 요소와 DateGreaterThan 및 DateLessThan 연산자와 함께 aws:CurrentTime 조건 키를 사용하는 Condition 요소가 있습니다.
C) s3:ResourceAccount 조건 키를 사용하여 버킷 액세스를 제한하는 조건 요소와 업무 시간 외에 적용되는 거부 문입니다.
D) s3:prefix 조건 키를 사용하여 폴더 액세스를 제한하고 aws:CurrentTime with DateGreaterThanEquals 및 DateLessThanEquals를 사용하여 운영 시간을 제한하는 조건 요소입니다.
2. 회사에서는 서버리스 데이터베이스에 반구조화된 거래 데이터를 저장해야 합니다.
이 애플리케이션은 데이터를 쓰는 빈도는 낮지만, 자주 읽으며, 밀리초 단위의 검색이 필요합니다.
A) Amazon DynamoDB 테이블에 데이터를 저장합니다. DynamoDB Accelerator(DAX) 캐시를 구성합니다.
B) Amazon S3 Apache Iceberg 테이블에 데이터를 저장합니다. S3 전송 가속을 활성화합니다.
C) Amazon RDS for MySQL 클러스터에 데이터를 저장합니다. RDS 최적화된 읽기를 구성합니다.
D) Amazon S3 Standard 버킷에 데이터를 저장합니다. S3 전송 가속을 활성화합니다.
3. 한 회사가 머신러닝(ML) 모델을 개발하고 있습니다. 데이터 엔지니어는 학습 데이터에 데이터 품질 규칙을 적용해야 합니다. 회사는 학습 데이터를 Amazon S3 버킷에 저장합니다.
A) S3 버킷의 데이터에 대한 AWS Glue DataBrew 프로젝트를 생성합니다. 데이터 품질 규칙에 대한 규칙 세트를 생성합니다. 데이터 품질 규칙을 실행하는 프로파일 작업을 생성합니다. 데이터가 S3 버킷에 추가되면 Amazon EventBridge를 사용하여 프로파일 작업을 실행합니다.
B) 데이터 품질을 확인하고 코드에서 예외를 발생시키는 AWS Lambda 함수를 만듭니다.
C) AWS Step Functions를 사용하여 데이터 품질 규칙을 평가하고 조정하기 위한 AWS Lambda 함수를 만듭니다.
D) Amazon EMR 프로비저닝 클러스터를 생성합니다. Python 데이터 품질 패키지를 추가합니다.
4. 데이터 엔지니어가 AWS Glue ETL 작업을 사용하여 고객 계정 정보가 포함된 테이블에서 오래된 고객 기록을 제거하고 있습니다. 데이터 엔지니어는 다음 SQL 명령을 사용하여 monthly_accounts_update라는 테이블에 있는 고객을 고객 계정 테이블에서 제거합니다.
데이터 엔지니어가 SQL 명령을 실행하면 어떤 일이 발생할까요?
A) AWS Glue에서 명령 구문이 유효하지 않으므로 레코드가 삭제되지 않습니다.
B) 테이블이 삭제됩니다.
C) 고객 계정 테이블과 monthly_accounts_update 테이블 모두에 존재하는 모든 고객 기록이 계정 테이블에서 삭제됩니다.
D) 두 테이블 모두에 존재하는 고객 기록만 고객 계정 테이블에 유지됩니다.
5. 애플리케이션에서 관리형 런타임으로 구성된 AWS Lambda 함수를 사용합니다. 이 Lambda 함수는 기본 Amazon CloudWatch Logs 로그 그룹에 로그를 성공적으로 기록합니다. 데이터 엔지니어는 애플리케이션 로그에는 ERROR 레벨 로그만, 시스템 로그에는 WARN 레벨 로그만 표시하도록 로깅 동작을 변경하려고 합니다.
어떤 솔루션이 이러한 요구 사항을 충족할까요?
A) Lambda 함수 코드에서 로그 레벨을 ERROR로 설정합니다.
B) Lambda 함수가 사용자 지정 로그 그룹으로 로그를 전송하도록 구성합니다.
C) Lambda 실행 역할에 추가 권한을 추가합니다.
D) Lambda 함수가 JSON 로그 형식을 사용하도록 구성합니다.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: D |
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