https://rookedsysc.vercel.app/_next/static/chunks/pages/blog/anki/next-step-d8be6fac6a647e8c.js

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1),"\n",(0,r.jsx)(n.h3,{id:"2-트랜잭션--동시성-제어",children:"2. 트랜잭션 & 동시성 제어"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"READ COMMITTED와 REPEATABLE READ의 실제 차이를 경험한 적이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"트랜잭션이 길어지면 어떤 문제가 발생하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Deadlock이 발생했을 때 어떻게 해결하셨나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"재고 차감 로직에서 동시성 문제를 어떻게 해결하셨나요?"}),"\n",(0,r.jsx)(n.li,{children:"SELECT FOR UPDATE와 비관적 락, 낙관적 락 중 어떤 것을 선택하셨고 왜 그랬나요?"}),"\n",(0,r.jsx)(n.li,{children:"Lost Update 문제를 실제로 경험하신 적 있나요? 어떻게 해결하셨나요?"}),"\n",(0,r.jsx)(n.li,{children:"분산 환경에서 DB 락만으로 동시성을 제어하기 어려운 이유는?"}),"\n",(0,r.jsx)(n.li,{children:"SERIALIZABLE로 설정하면 성능이 얼마나 떨어지나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Phantom Read를 방지하기 위해 Gap Lock을 사용했는데, Deadlock이 자주 발생합니다. 어떻게 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"MVCC 환경에서 Long Transaction이 Undo Log를 계속 쌓이게 만드는 문제를 어떻게 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Write Skew 문제를 경험하신 적 있나요? 어떻게 감지하고 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"2PL과 MVCC의 실제 성능 차이를 측정해보신 적 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"3-복제--고가용성",children:"3. 복제 & 고가용성"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Master-Slave 구조에서 Replication Lag이 발생하는 이유는?"}),"\n",(0,r.jsx)(n.li,{children:"Read Replica에 쿼리를 보냈는데 방금 INSERT한 데이터가 안 보입니다. 왜 그럴까요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Replication Lag을 모니터링하는 방법은? 얼마나 지연되면 문제인가요?"}),"\n",(0,r.jsx)(n.li,{children:"Master가 죽었을 때 Failover 과정에서 데이터 유실을 방지하려면?"}),"\n",(0,r.jsx)(n.li,{children:"비동기 복제와 동기 복제의 장단점을 실제 경험에 비추어 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Active-Active 구조의 문제점은 무엇인가요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Multi-Master Replication에서 충돌을 어떻게 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Statement-based vs Row-based vs Mixed Replication의 차이와 선택 기준은?"}),"\n",(0,r.jsx)(n.li,{children:"Split Brain 상황을 어떻게 감지하고 복구하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Binlog를 이용한 CDC(Change Data Capture)를 구현해보신 적 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"4-샤딩--파티셔닝",children:"4. 샤딩 & 파티셔닝"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"수평 파티셔닝과 샤딩의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"파티셔닝했을 때 인덱스는 어떻게 되나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Range vs Hash vs List 파티셔닝 중 어떤 것을 선택하셨고, 그 이유는?"}),"\n",(0,r.jsx)(n.li,{children:"샤딩 키를 잘못 선택하면 어떤 문제가 생기나요?"}),"\n",(0,r.jsx)(n.li,{children:"여러 샤드에 걸친 JOIN이나 GROUP BY는 어떻게 처리하나요?"}),"\n",(0,r.jsx)(n.li,{children:"샤드 리밸런싱은 어떻게 하나요? 서비스 중단 없이 가능한가요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Consistent Hashing을 실제로 구현해보신 적 있나요?"}

1),"\n",(0,r.jsx)(n.li,{children:"샤드가 불균형하게 커졌을 때(Hot Shard) 어떻게 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"글로벌 유니크 ID를 어떻게 생성하나요? (Snowflake, UUID, etc.)"}),"\n",(0,r.jsx)(n.li,{children:"샤딩된 DB에서 트랜잭션 일관성을 어떻게 보장하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"5-스키마-설계--모델링",children:"5. 스키마 설계 & 모델링"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"1:N 관계와 N:M 관계를 어떻게 테이블로 표현하나요?"}),"\n",(0,r.jsx)(n.li,{children:"NULL을 허용해야 할 때와 안 할 때의 기준은?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"JSON 컬럼을 사용한 경험이 있나요? 언제 사용하고 언제 사용하지 말아야 하나요?"}),"\n",(0,r.jsx)(n.li,{children:"소프트 삭제(deleted_at)와 하드 삭제 중 어떤 것을 선택하나요?"}),"\n",(0,r.jsx)(n.li,{children:"이력 관리(History) 테이블은 어떻게 설계하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Polymorphic Association을 DB에서 어떻게 구현하나요?"}),"\n",(0,r.jsx)(n.li,{children:"ENUM vs VARCHAR vs 별도 테이블, 어떤 것을 선택하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Time Series 데이터는 어떻게 설계하고 최적화하나요?"}),"\n",(0,r.jsx)(n.li,{children:"계층 구조(Tree) 데이터를 표현하는 여러 방법(Adjacency List, Nested Set, Path Enumeration)의 장단점은?"}),"\n",(0,r.jsx)(n.li,{children:"정규화와 비정규화의 선택 기준은? 실제로 비정규화를 선택한 사례가 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Event Sourcing 패턴을 DB에 적용해보신 적 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"6-백업--복구",children:"6. 백업 & 복구"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"논리 백업과 물리 백업의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"mysqldump로 백업 중에도 서비스가 가능한가요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Point-in-Time Recovery(PITR)를 어떻게 구현하나요?"}),"\n",(0,r.jsx)(n.li,{children:"백업 시간을 단축하는 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"백업 검증은 어떻게 하나요?"}),"\n",(0,r.jsx)(n.li,{children:"증분 백업의 장단점은?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"100TB 데이터베이스의 백업 전략은?"}),"\n",(0,r.jsx)(n.li,{children:"Binlog를 이용한 복구 시 주의사항은?"}),"\n",(0,r.jsx)(n.li,{children:"크로스 리전 백업 전략은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"7-캐싱-전략",children:"7. 캐싱 전략"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"어떤 데이터를 캐싱하고 어떤 데이터를 캐싱하지 않나요?"}),"\n",(0,r.jsx)(n.li,{children:"Cache Invalidation은 어떻게 처리하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Cache Aside vs Write Through vs Write Behind 중 어떤 것을 사용하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Cache Stampede 문제를 경험하신 적 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"DB와 Redis의 데이터 불일치를 어떻게 방지하나요?"}),"\n",(0,r.jsx)(n.li,{children:"TTL을 어떻게 설정하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Look-aside Cache에서 발생할 수 있는 Race Condition은?"}),"\n",(0,r.jsx)(n.li,{children:"분산 캐시 환경에서 일관성을 어떻게 보장하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Cache Warming 전략은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"8-모니터링--장애-대응",children:"8. 모니터링 & 장애 대응"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"어떤 메트릭을 모니터링하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Slow Query를 어떻게 찾고 개선하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Connection Pool 크기는 어떻게 설정하나요?"}),"\n",(0,r.jsx)(n.li,{children:"DB CPU가 100%일 때 원인을 찾는 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"Table Lock이 걸려서 서비스 장애가 발생했습니다. 어떻게 대응하나요?"}),"\n",(0,r.jsx)(n.li,{children:"DB 디스크가 꽉 찼을 때 긴급 대응 방법은?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"InnoDB Buffer Pool의 Hit Rate가 낮을 때 원인과 해결책은?"}),"\n",(0,r.jsx)(n.li,{children:"갑자기 Connection이 고갈되었을 때 원인을 찾는 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"Replication Lag이 계속 늘어나는 상황에서 어떻게 대응하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Query of Death가 발생했을 때 어떻게 빠르게 Kill하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"9-마이그레이션--스키마-변경",children:"9. 마이그레이션 & 스키마 변경"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"ALTER TABLE 실행 중에 서비스 중단이 발생하나요?"}),"\n",(0,r.jsx)(n.li,{children:"테이블명을 변경하려면 어떻게 해야 하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Online DDL의 동작 원리는?"}),"\n",(0,r.jsx)(n.li,{children:"NOT NULL 제약조건을 추가할 때 주의사항은?"}),"\n",(0,r.jsx)(n.li,{children:"대용량 테이블에 컬럼을 추가하는 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"pt-online-schema-change를 사용해보신 적 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Zero Downtime Migration을 어떻게 달성하나요?"}),"\n",(0,r.jsx)(n.li,{children:"샤딩된 DB를 리샤딩하는 전략은?"}),"\n",(0,r.jsx)(n.li,{children:"DB를 PostgreSQL에서 MySQL로(또는 반대로) 마이그레이션한 경험이 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"10-보안",children:"10. 보안"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"SQL Injection을 방지하는 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"DB 계정 권한은 어떻게 관리하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"개인정보를 암호화해서 저장해야 할 때 어떻게 구현하나요?"}),"\n",(0,r.jsx)(n.li,{children:"민감한 데이터의 접근 로그는 어떻게 남기나요?"}),"\n",(0,r.jsx)(n.li,{children:"DB Audit은 어떻게 설정하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Column-level Encryption vs Transparent Data Encryption의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"데이터 마스킹 전략은?"}),"\n",(0,r.jsx)(n.li,{children:"Credential Rotation은 어떻게 구현하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"11-실제-장애-사례-기반-질문",children:"11. 실제 장애 사례 기반 질문"}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:'"트랜잭션에서 외부 API를 호출했더니 DB Connection이 고갈되었습니다. 원인과 해결책은?"'}),"\n",(0,r.jsx)(n.li,{children:'"배치 작업이 실행되는 새벽에만 Deadlock이 발생합니다. 어떻게 디버깅하나요?"'}),"\n",(0,r.jsx)(n.li,{children:'"갑자기 INSERT 성능이 10배 느려졌습니다. 가능한 원인들은?"'}),"\n",(0,r.jsx)(n.li,{children:'"AUTO_INCREMENT가 고갈될 것 같습니다. 어떻게 대응하나요?"'}),"\n",(0,r.jsx)(n.li,{children:'"FK 제약조건 때문에 DELETE가 너무 느립니다. 어떻게 해결하나요?"'}),"\n"]}),"\n",(0,r.jsx)(n.h2,{id:"redis",children:"Redis"}),"\n",(0,r.jsx)(n.p,{children:"Redis 관련 실무 면접 질문들을 난이도별로 정리했습니다."}),"\n",(0,r.jsx)(n.h3,{id:"1-기본-개념--아키텍처",children:"1. 기본 개념 & 아키텍처"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redis가 빠른 이유는 무엇인가요?"}),"\n",(0,r.jsx)(n.li,{children:"Redis는 Single Thread인데 어떻게 동시에 여러 요청을 처리하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Redis와 Memcached의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Redis의 메모리가 부족하면 어떻게 되나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redis 6.0부터 Multi-threaded I/O가 도입되었는데, 이게 정확히 무엇인가요?"}),"\n",(0,r.jsx)(n.li,{children:"Event Loop 방식으로 동작한다는데, 구체적으로 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Redis의 메모리 할당 전략(jemalloc)에 대해 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Copy-on-Write는 어떻게 동작하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redis 7.0의 Functions와 Lua Script의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Redis의 Lazy Free는 언제 사용되고 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Reactor Pattern이 Redis에서 어떻게 구현되어 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Redis의 Object Encoding 전략에 대해 설명해주세요 (int, embstr, raw, ziplist 등)"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"2-데이터-타입--활용",children:"2. 데이터 타입 & 활용"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"String, List, Set, Sorted Set, Hash의 사용 사례를 각각 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Sorted Set은 어떻게 구현되어 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"List를 Queue로 사용할 때 LPUSH/RPOP vs RPUSH/LPOP 중 어떤 것을 선택하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"HyperLogLog는 언제 사용하고, 정확도는 어느 정도인가요?"}),"\n",(0,r.jsx)(n.li,{children:"Bitmap으로 DAU를 계산하는 방법을 구현해보세요"}),"\n",(0,r.jsx)(n.li,{children:"Geo 자료구조로 반경 검색을 구현한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Stream을 사용한 경험이 있나요? Kafka와의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Bloom Filter를 Redis에서 사용해보신 적 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Sorted Set의 내부 구조(Skiplist + Hash Table)를 설명하고, 왜 이런 구조를 선택했을까요?"}),"\n",(0,r.jsx)(n.li,{children:"Ziplist의 장단점과 언제 다른 인코딩으로 전환되나요?"}),"\n",(0,r.jsx)(n.li,{children:"Listpack이 Ziplist를 대체하는 이유는?"}),"\n",(0,r.jsx)(n.li,{children:"Redis Stack의 JSON, Search, Time Series 모듈을 사용해보신 적 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"3-캐싱-전략",children:"3. 캐싱 전략"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Cache Aside 패턴을 설명하고, 장단점을 말해주세요"}),"\n",(0,r.jsx)(n.li,{children:"TTL은 어떻게 설정하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Cache Miss가 발생하면 어떻게 처리하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Cache Stampede 문제를 어떻게 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Write Behind vs Write Through 중 어떤 것을 선택하고 왜 그랬나요?"}),"\n",(0,r.jsx)(n.li,{children:"Hot Key 문제를 경험하신 적 있나요? 어떻게 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Cache Warming은 어떻게 구현하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Stale Cache 문제를 어떻게 방지하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Look-aside Cache에서 발생하는 Race Condition을 설명하고 해결책을 제시해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Cache와 DB의 정합성을 보장하는 여러 패턴을 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Probabilistic Early Expiration을 구현해보신 적 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Refresh-ahead 전략은 언제 사용하나요?"}),"\n",(0,r.jsx)(n.li,{children:"2-tier Cache 구조(Local Cache + Redis)를 사용해보신 적 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"4-분산-락-distributed-lock",children:"4. 분산 락 (Distributed Lock)"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redis로 분산 락을 구현하는 방법을 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"SETNX의 문제점은 무엇인가요?"}),"\n",(0,r.jsx)(n.li,{children:"SET NX EX를 사용하는 이유는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redlock 알고리즘을 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Redisson을 사용한 경험이 있나요? 내부적으로 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Lock의 timeout은 어떻게 설정하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Spin Lock vs Sleep 방식의 차이는?"}

1),"\n",(0,r.jsx)(n.li,{children:"락 갱신(Lock Renewal)은 어떻게 구현하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redlock의 문제점과 Martin Kleppmann의 비판에 대해 아시나요?"}),"\n",(0,r.jsx)(n.li,{children:"Fencing Token을 사용한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Redis Cluster 환경에서 분산 락의 안정성 문제는?"}),"\n",(0,r.jsx)(n.li,{children:"Watch를 이용한 Optimistic Lock을 구현해보신 적 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Lua Script로 원자성을 보장하는 락을 구현한 경험이 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"5-영속성-persistence",children:"5. 영속성 (Persistence)"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"RDB와 AOF의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Redis를 캐시가 아닌 데이터베이스로 사용할 수 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"RDB snapshot 생성 시 서비스에 미치는 영향은?"}),"\n",(0,r.jsx)(n.li,{children:"AOF Rewrite는 언제 발생하고 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"fsync 정책(always, everysec, no)의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"RDB와 AOF를 동시에 사용하면 어떻게 되나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Fork() 시 메모리 사용량이 2배로 증가하나요?"}),"\n",(0,r.jsx)(n.li,{children:"AOF와 RDB의 복구 우선순위와 이유는?"}),"\n",(0,r.jsx)(n.li,{children:"Redis 7.0의 Multi-part AOF의 장점은?"}),"\n",(0,r.jsx)(n.li,{children:"Copy-on-Write 과정에서 메모리 단편화 문제를 어떻게 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Diskless Replication은 언제 사용하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"6-복제-replication",children:"6. 복제 (Replication)"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Master-Slave 복제 구조를 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Replication Lag이 발생하는 이유는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Partial Resync vs Full Resync의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Replication Buffer와 Backlog의 역할은?"}),"\n",(0,r.jsx)(n.li,{children:"Slave가 Master로 승격되는 과정을 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Read Replica의 개수를 늘리면 어떤 문제가 생길 수 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"PSYNC2의 개선사항은 무엇인가요?"}),"\n",(0,r.jsx)(n.li,{children:"Replication Offset을 이용한 데이터 일관성 검증 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"Master가 죽었을 때 데이터 유실을 최소화하는 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"Diskless Replication의 동작 원리와 장단점은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"7-고가용성-sentinel",children:"7. 고가용성 (Sentinel)"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Sentinel의 역할은 무엇인가요?"}),"\n",(0,r.jsx)(n.li,{children:"Sentinel은 몇 개를 띄워야 하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Quorum과 Majority의 차이를 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Sentinel이 Master 장애를 감지하는 과정을 상세히 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"SDOWN vs ODOWN의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Failover 과정에서 데이터 유실이 발생할 수 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Sentinel의 Gossip Protocol에 대해 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Split Brain 상황을 어떻게 방지하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Sentinel 자체의 단일 장애점 문제는?"}),"\n",(0,r.jsx)(n.li,{children:"min-slaves-to-write 설정의 의미와 사용 시나리오는?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"8-클러스터-redis-cluster",children:"8. 클러스터 (Redis Cluster)"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redis Cluster가 필요한 이유는?"}),"\n",(0,r.jsx)(n.li,{children:"Hash Slot은 무엇이고 왜 16384개인가요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redis Cluster는 어떻게 샤딩하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Resharding은 어떻게 진행되나요?"}),"\n",(0,r.jsx)(n.li,{children:"MOVED vs ASK 리다이렉션의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Multi-key 연산이 왜 제한되나요? 해결 방법은?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Gossip Protocol로 클러스터 상태를 동기화하는 과정을 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Hash Tag를 사용한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"클러스터 파티션(Split Brain) 상황에서 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Replica Migration은 언제 발생하나요?"}),"\n",(0,r.jsx)(n.li,{children:"클러스터 환경에서 Lua Script 사용 시 제약사항은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"9-성능-최적화",children:"9. 성능 최적화"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Pipeline을 사용하는 이유는?"}),"\n",(0,r.jsx)(n.li,{children:"KEYS 명령어를 프로덕션에서 사용하면 안 되는 이유는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Pipeline vs Transaction의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Big Key 문제를 어떻게 발견하고 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"SCAN의 동작 원리와 사용법을 설명해주세요"}

1),"\n",(0,r.jsx)(n.li,{children:"Batch 작업 시 성능 최적화 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"Slowlog는 어떻게 활용하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"O(N) 명령어들(KEYS, SMEMBERS, HGETALL 등)의 대안은?"}),"\n",(0,r.jsx)(n.li,{children:"메모리 단편화 문제를 어떻게 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Active Defragmentation은 언제 사용하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Client-side Caching을 구현해보신 적 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Redis의 Eviction Policy 선택 기준은? (LRU, LFU, Random 등)"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"10-트랜잭션--원자성",children:"10. 트랜잭션 & 원자성"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"MULTI/EXEC의 동작 원리를 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Redis의 트랜잭션은 ACID를 보장하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"WATCH를 사용한 Optimistic Lock을 구현해보세요"}),"\n",(0,r.jsx)(n.li,{children:"MULTI/EXEC 내에서 에러가 발생하면 어떻게 되나요?"}),"\n",(0,r.jsx)(n.li,{children:"Lua Script vs MULTI/EXEC의 차이는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Lua Script로 복잡한 원자적 연산을 구현한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"EVAL vs EVALSHA의 차이와 성능 최적화 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"Lua Script의 실행 시간 제한과 대응 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"Redis Transaction이 Rollback을 지원하지 않는 이유는?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"11-모니터링--장애-대응",children:"11. 모니터링 & 장애 대응"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redis의 주요 모니터링 메트릭은?"}),"\n",(0,r.jsx)(n.li,{children:"INFO 명령어로 어떤 정보를 확인할 수 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"메모리 사용률이 급증할 때 원인을 찾는 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"Connection이 계속 증가할 때 어떻게 대응하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Latency가 갑자기 증가했을 때 디버깅 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"Redis의 메모리 사용량을 분석하는 도구는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Intrinsic Latency vs Network Latency를 어떻게 구분하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Fork 시 발생하는 Latency Spike를 어떻게 최소화하나요?"}),"\n",(0,r.jsx)(n.li,{children:"CLIENT LIST로 문제 있는 클라이언트를 찾는 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"Redis의 Blocked Clients 문제는 어떻게 해결하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"12-rate-limiting",children:"12. Rate Limiting"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redis로 Rate Limiter를 구현하는 방법은?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Fixed Window vs Sliding Window의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Token Bucket 알고리즘을 Redis로 구현해보세요"}),"\n",(0,r.jsx)(n.li,{children:"Leaky Bucket vs Token Bucket의 차이는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Sliding Window Log vs Sliding Window Counter의 성능 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"분산 환경에서 정확한 Rate Limiting을 구현하는 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"Redis Cell 모듈을 사용해보신 적 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Rate Limiter의 메모리 최적화 방법은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"13-세션-관리",children:"13. 세션 관리"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redis를 세션 스토어로 사용하는 이유는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Session Clustering 시 고려사항은?"}),"\n",(0,r.jsx)(n.li,{children:"Session TTL을 어떻게 설정하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Sticky Session vs Session Replication의 차이는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Multi-region 환경에서 세션 동기화 전략은?"}),"\n",(0,r.jsx)(n.li,{children:"Session Fixation 공격을 어떻게 방지하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Redis와 JWT 중 어떤 것을 선택하고 왜 그랬나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"14-실시간-기능-구현",children:"14. 실시간 기능 구현"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Pub/Sub의 동작 원리를 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Pub/Sub의 한계는 무엇인가요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redis Stream vs Pub/Sub의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Consumer Group은 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Leaderboard를 Sorted Set으로 구현한 경험이 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Pub/Sub에서 메시지 유실 문제를 어떻게 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Stream의 XREAD vs XREADGROUP의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Real-time Analytics를 Redis로 구현한 사례가 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"15-보안",children:"15. 보안"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redis의 기본 보안 설정은?"}),"\n",(0,r.jsx)(n.li,{children:"requirepass는 충분히 안전한가요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"ACL을 설정해보신 적 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"RENAME-COMMAND를 사용하는 이유는?"}),"\n",(0,r.jsx)(n.li,{children:"Protected Mode는 무엇인가요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Redis에 Encryption at Rest를 적용하는 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"TLS/SSL을 설정해보신 적 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Command Filtering 전략은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"16-실제-장애-사례-기반",children:"16. 실제 장애 사례 기반"}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:'"Lua Script가 무한 루프에 빠져서 Redis가 멈췄습니다. 어떻게 대응하나요?"'}),"\n",(0,r.jsx)(n.li,{children:'"Fork 실패로 RDB snapshot을 만들 수 없습니다. 원인과 해결책은?"'}),"\n",(0,r.jsx)(n.li,{children:'"갑자기 모든 Redis 요청이 timeout 됩니다. 어떻게 디버깅하나요?"'}),"\n",(0,r.jsx)(n.li,{children:'"메모리는 충분한데 OOM이 발생합니다. 가능한 원인들은?"'}),"\n",(0,r.jsx)(n.li,{children:'"Replication Lag이 계속 증가합니다. 어떻게 해결하나요?"'}),"\n",(0,r.jsx)(n.li,{children:'"특정 시간에만 Redis 성능이 급격히 떨어집니다. 원인을 찾아보세요"'}),"\n",(0,r.jsx)(n.li,{children:'"Master와 Slave의 데이터가 불일치합니다. 어떻게 감지하고 복구하나요?"'}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"17-아키텍처-설계",children:"17. 아키텍처 설계"}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:'"월 1억 명이 사용하는 서비스의 Redis 아키텍처를 설계해주세요"'}),"\n",(0,r.jsx)(n.li,{children:'"Multi-region 환경에서 Redis 구성 전략은?"'}),"\n",(0,r.jsx)(n.li,{children:'"Redis를 Primary DB로 사용할 수 있나요? 고려사항은?"'}),"\n",(0,r.jsx)(n.li,{children:'"Cache + Message Queue + Session Store를 모두 Redisë¡

1œ? 분리해야 하나요?"'}),"\n"]}),"\n",(0,r.jsx)(n.h2,{id:"spring",children:"Spring"}),"\n",(0,r.jsx)(n.h3,{id:"1-spring-core-ioc-di-aop",children:"1. Spring Core (IoC, DI, AOP)"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"@Component, @Service, @Repository의 차이는 단순히 의미적인 차이인가요?"}),"\n",(0,r.jsx)(n.li,{children:"순환 참조가 발생했을 때 어떻게 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"@Autowired vs 생성자 주입, 실무에서 어떤 것을 선택하나요?"}),"\n",(0,r.jsx)(n.li,{children:"ApplicationContext와 BeanFactory의 차이는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Bean의 생명주기를 설명하고, 각 단계에서 할 수 있는 작업은?"}),"\n",(0,r.jsx)(n.li,{children:"@PostConstruct vs InitializingBean vs @Bean(initMethod), 언제 무엇을 사용하나요?"}),"\n",(0,r.jsx)(n.li,{children:"같은 타입의 Bean이 여러 개일 때 어떻게 주입받나요?"}),"\n",(0,r.jsx)(n.li,{children:"@Primary vs @Qualifier의 선택 기준은?"}),"\n",(0,r.jsx)(n.li,{children:"Prototype Bean을 Singleton Bean에 주입하면 어떻게 되나요?"}),"\n",(0,r.jsx)(n.li,{children:"AOP의 Proxy 방식(JDK Dynamic Proxy vs CGLIB)의 차이와 성능 영향은?"}),"\n",(0,r.jsx)(n.li,{children:"@Transactional이 private 메서드에서 동작하지 않는 이유는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"BeanPostProcessor를 직접 구현해본 적 있나요? 어떤 경우에 사용하나요?"}),"\n",(0,r.jsx)(n.li,{children:"@Async의 내부 동작 원리와 Thread Pool 설정 전략은?"}),"\n",(0,r.jsx)(n.li,{children:"ApplicationContext를 여러 개 계층적으로 구성한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Lazy Initialization의 장단점과 실무 적용 사례는?"}),"\n",(0,r.jsx)(n.li,{children:"AOP에서 this vs target의 차이와 self-invocation 문제는?"}),"\n",(0,r.jsx)(n.li,{children:"Around Advice에서 ProceedingJoinPoint를 proceed() 하지 않으면?"}),"\n",(0,r.jsx)(n.li,{children:"AspectJ Weaving (Compile-time, Load-time) vs Spring AOP의 선택 기준은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"2-spring-boot",children:"2. Spring Boot"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Springê³¼ Spring Boot의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Auto Configuration은 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"application.yml vs application.properties, 어떤 것을 선택하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"@SpringBootApplication이 하는 일을 상세히 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Profile을 어떻게 관리하나요? (dev, staging, prod)"}),"\n",(0,r.jsx)(n.li,{children:"외부 설정을 주입받는 여러 방법(@Value, @ConfigurationProperties)의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Spring Boot Actuator로 어떤 메트릭을 모니터링하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Custom Auto Configuration을 만들어본 적 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Conditional Annotation들(@ConditionalOnProperty 등)을 활용한 사례는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Spring Boot의 Graceful Shutdown은 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Embedded Tomcat vs External Tomcat, 언제 무엇을 선택하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Spring Boot 애플리케이션의 시작 시간을 최적화하는 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"Layered JAR는 무엇이고 왜 사용하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Spring Native(GraalVM)를 고려해본 적 있나요? 장단점은?"}),"\n",(0,r.jsx)(n.li,{children:"FailureAnalyzer를 커스터마이징해본 경험이 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"3-spring-mvc--webflux",children:"3. Spring MVC / WebFlux"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"DispatcherServlet의 동작 흐름을 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"@RestController vs @Controller의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"@RequestBody vs @ModelAttribute의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"ResponseEntity를 사용하는 이유는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Interceptor vs Filter vs AOP의 차이와 사용 시나리오는?"}),"\n",(0,r.jsx)(n.li,{children:"HandlerMethodArgumentResolver를 직접 구현해본 적 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"MessageConverter는 어떻게 동작하나요? (Jackson, Gson 등)"}),"\n",(0,r.jsx)(n.li,{children:"Content Negotiation은 어떻게 처리되나요?"}),"\n",(0,r.jsx)(n.li,{children:"Validation을 어디서 수행하나요? (@Valid, @Validated 차이)"}),"\n",(0,r.jsx)(n.li,{children:"CORS는 어떻게 설정하고, Preflight는 언제 발생하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"WebFlux와 MVC를 선택하는 기준은? 실제로 WebFlux를 프로덕션에 적용해보셨나요?"}),"\n",(0,r.jsx)(n.li,{children:"Reactive Stream의 Backpressure를 어떻게 처리하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Thread-per-request vs Event Loop, 각각의 장단점은?"}),"\n",(0,r.jsx)(n.li,{children:"WebClient vs RestTemplate, 성능 차이는 얼마나 되나요?"}),"\n",(0,r.jsx)(n.li,{children:"Servlet 3.0의 Async Processing을 사용해본 적 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"SSE(Server-Sent Events)를 구현한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"WebSocket + STOMP를 사용한 실시간 통신 구현 경험은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"4-spring-data-jpa",children:"4. Spring Data JPA"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"JPA의 영속성 컨텍스트란?"}),"\n",(0,r.jsx)(n.li,{children:"1ì°¨ 캐시와 2ì°¨ 캐시의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Eager Loading vs Lazy Loading, 언제 무엇을 사용하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"N+1 문제를 경험하신 적 있나요? 어떻게 해결하

1셨나요?"}),"\n",(0,r.jsx)(n.li,{children:"@Query vs QueryDSL vs Criteria API, 각각의 장단점은?"}),"\n",(0,r.jsx)(n.li,{children:"@EntityGraph를 사용한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Dirty Checking은 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"save() 메서드는 내부적으로 어떻게 동작하나요? (isNew() 판단)"}),"\n",(0,r.jsx)(n.li,{children:"@ManyToOne에서 FetchType.EAGER를 사용하면 안 되는 이유는?"}),"\n",(0,r.jsx)(n.li,{children:"Pagination 성능 최적화 방법은? (Offset vs Cursor)"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"JPA에서 Batch Insert는 어떻게 최적화하나요?"}),"\n",(0,r.jsx)(n.li,{children:"OSIV(Open Session In View)의 문제점과 해결 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"QueryDSL의 동적 쿼리 최적화 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"@Transactional(readOnly=true)가 성능에 미치는 영향은?"}),"\n",(0,r.jsx)(n.li,{children:"엔티티를 DTO로 변환하는 시점과 전략은? (Mapper, MapStruct 등)"}),"\n",(0,r.jsx)(n.li,{children:"Hibernate의 2ì°¨ 캐시(EhCache, Redis) 설정 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Pessimistic Lock vs Optimistic Lock, 실무에서의 선택 기준은?"}),"\n",(0,r.jsx)(n.li,{children:"JPA에서 Native Query를 사용할 때 주의사항은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"5-transaction-management",children:"5. Transaction Management"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"@Transactional은 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Checked Exception vs Unchecked Exception, 어떤 것이 롤백되나요?"}),"\n",(0,r.jsx)(n.li,{children:"Propagation의 REQUIRED vs REQUIRES_NEW의 차이는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"트랜잭션이 너무 길면 어떤 문제가 발생하나요?"}),"\n",(0,r.jsx)(n.li,{children:"@Transactional이 동작하지 않는 경우들을 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Isolation Level을 변경해본 경험이 있나요? 언제 변경하나요?"}),"\n",(0,r.jsx)(n.li,{children:"분산 트랜잭션(2PC, Saga)을 구현해본 적 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"TransactionSynchronization을 사용해본 적 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Spring의 트랜잭션 동기화는 어떻게 구현되어 있나요? (ThreadLocal)"}),"\n",(0,r.jsx)(n.li,{children:"트랜잭션 내에서 외부 API를 호출하면 어떤 문제가 생기나요?"}),"\n",(0,r.jsx)(n.li,{children:"TransactionTemplate vs @Transactional, 언제 무엇을 사용하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Programmatic Transaction Management가 필요한 경우는?"}),"\n",(0,r.jsx)(n.li,{children:"트랜잭션 커밋 후에 특정 작업을 수행하려면? (@TransactionalEventListener)"}),"\n",(0,r.jsx)(n.li,{children:"JTA를 사용한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Seata, Atomikos 같은 분산 트랜잭션 라이브러리를 사용해보셨나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"6-spring-security",children:"6. Spring Security"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Spring Security의 인증/인가 흐름을 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Filter Chain은 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"JWT 인증을 구현한 경험이 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"SecurityContext는 어떻게 관리되나요? (ThreadLocal)"}),"\n",(0,r.jsx)(n.li,{children:"Session vs Token 기반 인증의 장단점은?"}),"\n",(0,r.jsx)(n.li,{children:"CSRF 방어는 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"OAuth2 로그인을 구현한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Method Security (@PreAuthorize, @Secured)는 언제 사용하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Password Encoder 선택 기준은? (BCrypt, SCrypt, Argon2)"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"JWT Refresh Token 전략을 어떻게 설계하셨나요?"}),"\n",(0,r.jsx)(n.li,{children:"Stateless 인증 환경에서 사용자 권한 변경 시 ì

1–´ë–»ê²Œ 처리하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Spring Security에서 Custom AuthenticationProvider를 만든 이유는?"}),"\n",(0,r.jsx)(n.li,{children:"Multi-tenancy 환경에서 Security를 어떻게 구성하나요?"}),"\n",(0,r.jsx)(n.li,{children:"WebFlux Security와 MVC Security의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Rate Limiting을 Spring Security에 통합한 경험이 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"7-성능-최적화",children:"7. 성능 최적화"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Spring 애플리케이션의 성능 병목을 어떻게 찾나요?"}),"\n",(0,r.jsx)(n.li,{children:"Connection Pool 크기는 어떻게 설정하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Thread Pool 크기 설정 전략은? (Tomcat, @Async)"}),"\n",(0,r.jsx)(n.li,{children:"Lazy Initialization이 시작 시간에 미치는 영향은?"}),"\n",(0,r.jsx)(n.li,{children:"@Cacheable을 어떻게 활용하나요? (Redis, EhCache)"}),"\n",(0,r.jsx)(n.li,{children:"HTTP Client의 Keep-Alive 설정 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"RestTemplate vs WebClient, 성능 테스트 결과는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"JVM 튜닝 경험이 있나요? (Heap, GC 설정)"}),"\n",(0,r.jsx)(n.li,{children:"Spring Boot 애플리케이션의 메모리 누수를 어떻게 찾나요?"}),"\n",(0,r.jsx)(n.li,{children:"Reactive Programming으로 전환했을 때 성능 개선 효과는?"}),"\n",(0,r.jsx)(n.li,{children:"Database Connection Pool 고갈 문제를 어떻게 해결하나요?"}),"\n",(0,r.jsx)(n.li,{children:"API 응답 시간을 10ë°° 개선한 경험을 구체적으로 설명해주세요"}),"\n",(0,r.jsx)(n.li,{children:"Virtual Thread(Project Loom)를 고려해보셨나요?"}),"\n",(0,r.jsx)(n.li,{children:"Netty의 EventLoop 튜닝 경험이 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"8-테스팅",children:"8. 테스팅"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"@SpringBootTest vs @WebMvcTest의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Mocking은 언제 사용하나요? (Mockito)"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"TestContainers를 사용한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"@DataJpaTest에서는 어떤 Bean들이 로드되나요?"}),"\n",(0,r.jsx)(n.li,{children:"테스트 격리(Test Isolation)는 어떻게 보장하나요?"}),"\n",(0,r.jsx)(n.li,{children:"@Transactional이 테스트에서 어떻게 동작하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Integration Test vs Unit Test의 비율은?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"테스트 성능을 개선하는 방법은? (Context Caching)"}),"\n",(0,r.jsx)(n.li,{children:"Fixture를 어떻게 관리하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Contract Testing(Pact)을 도입한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Chaos Engineering을 Spring 환경에 적용해보셨나요?"}),"\n",(0,r.jsx)(n.li,{children:"Embedded Redis/Kafka를 테스트에 사용한 경험은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"9-비동기-처리--스케줄링",children:"9. 비동기 처리 & 스케줄링"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"@Async의 동작 원리는?"}),"\n",(0,r.jsx)(n.li,{children:"@Scheduled는 어떻게 동작하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"CompletableFuture를 Spring에서 어떻게 활용하나요?"}),"\n",(0,r.jsx)(n.li,{children:"@Async 메서드에서 Exception이 발생하면?"}),"\n",(0,r.jsx)(n.li,{children:"ShedLock을 사용한 분산 스케줄링 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Quartz Scheduler vs Spring @Scheduled, 언제 무엇을 선택하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"대용량 배치 처리를 어떻게 최적화하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Spring Batch vs Spring Cloud Data Flow의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Event-Driven Architecture를 Spring으로 구현한 경험은?"}),"\n",(0,r.jsx)(n.li,{children:"Kafka/RabbitMQ와 Spring의 통합 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"TaskExecutor의 종류와 선택 기준은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"10-api-설계--버전관리",children:"10. API 설계 & 버전관리"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"REST API 설계 원칙은?"}),"\n",(0,r.jsx)(n.li,{children:"HTTP Status Code는 어떻게 선택하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"API 버전 관리 전략은? (URI vs Header vs Query Parameter)"}),"\n",(0,r.jsx)(n.li,{children:"API Rate Limiting은 어떻게 구현하나요?"}),"\n",(0,r.jsx)(n.li,{children:"HATEOAS를 적용해본 적 있나요?"}

1),"\n",(0,r.jsx)(n.li,{children:"OpenAPI(Swagger) 문서 자동화 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"API Gateway 패턴을 적용한 경험은?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"GraphQL vs REST, 실무에서의 선택 기준은?"}),"\n",(0,r.jsx)(n.li,{children:"API Deprecation 전략은?"}),"\n",(0,r.jsx)(n.li,{children:"Backward Compatibility를 어떻게 유지하나요?"}),"\n",(0,r.jsx)(n.li,{children:"gRPC를 Spring과 통합한 경험이 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"11-에러-핸들링--로깅",children:"11. 에러 핸들링 & 로깅"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"@ExceptionHandler vs @ControllerAdvice의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"표준 에러 응답 형식을 어떻게 설계하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"전역 예외 처리 전략은?"}),"\n",(0,r.jsx)(n.li,{children:"로깅 레벨(DEBUG, INFO, WARN, ERROR)을 어떻게 설정하나요?"}),"\n",(0,r.jsx)(n.li,{children:"MDC(Mapped Diagnostic Context)를 활용한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Request ID를 추적하는 방법은?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Circuit Breaker(Resilience4j)를 적용한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Structured Logging을 구현한 방법은?"}),"\n",(0,r.jsx)(n.li,{children:"ELK Stack과 Spring Boot의 통합 경험은?"}),"\n",(0,r.jsx)(n.li,{children:"Sentry, Datadog 같은 APM 도구 연동 경험은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"12-클라우드--컨테이너",children:"12. 클라우드 & 컨테이너"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Docker에서 Spring Boot를 실행할 때 주의사항은?"}),"\n",(0,r.jsx)(n.li,{children:"Health Check Endpoint는 어떻게 구현하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Kubernetes에서 Spring Boot 배포 시 설정은?"}),"\n",(0,r.jsx)(n.li,{children:"12 Factor App 원칙을 어떻게 적용하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Config Server를 사용한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Service Discovery(Eureka, Consul)를 사용해보셨나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Blue-Green vs Canary 배포를 어떻게 구현하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Spring Cloud Gateway vs Netflix Zuul의 차이는?"}),"\n",(0,r.jsx)(n.li,{children:"Distributed Tracing(Zipkin, Jaeger)을 적용한 경험은?"}),"\n",(0,r.jsx)(n.li,{children:"Multi-region 배포 시 고려사항은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"13-멀티모듈--아키텍처",children:"13. 멀티모듈 & 아키텍처"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"멀티모듈 프로젝트의 장점은?"}),"\n",(0,r.jsx)(n.li,{children:"계층형 아키텍처 vs 헥사고날 아키텍처의 차이는?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"공통 모듈은 어떻게 설계하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Domain 모듈과 Infrastructure 모듈의 의존성 방향은?"}),"\n",(0,r.jsx)(n.li,{children:"CQRS 패턴을 적용해본 적 있나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"고급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"DDD(Domain-Driven Design)를 Spring에 어떻게 적용하나요?"}),"\n",(0,r.jsx)(n.li,{children:"Event Sourcing을 구현한 경험이 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Modular Monolith를 고려한 적 있나요?"}),"\n",(0,r.jsx)(n.li,{children:"Microservices로 전환한 경험과 어려움은?"}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"14-실제-장애-사례-기반",children:"14. 실제 장애 사례 기반"}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:'"OutOfMemoryError가 발생했습니다. 어떻게 원인을 찾고 해결하나요?"'}),"\n",(0,r.jsx)(n.li,{children:'"Connection Pool이 고갈되어 서비스가 멈췄습니다. 원인과 대응 방법은?"'}),"\n",(0,r.jsx)(n.li,{children:'"배포 후 트랜잭션이 커밋되지 않는 현상이 발생했습니다. 어떻게 디버깅하나요?"'}),"\n",(0,r.jsx)(n.li,{children:'"@Transactional이 동작하지 않아 데이터 정합성 문제가 발생했습니다. 가능한 원인들은?"'}),"\n",(0,r.jsx)(n.li,{children:'"특정 API만 응답 시간이 10초 이상 걸립니다. 어떻게 원인을 찾나요?"'}),"\n",(0,r.jsx)(n.li,{children:'"Lazy Loading으로 인한 LazyInitializationException이 발생했습니다. 해결 방법은?"'}),"\n",(0,r.jsx)(n.li,{children:'"동시에 같은 데이터를 수정하면서 Lost Update가 발생했습니다. 어떻게 방지하나요?"'}),"\n",(0,r.jsx)(n.li,{children:'"Batch Job이 실행 중 메모리가 부족해집니다. 어떻게 최적화하나요?"'}),"\n",(0,r.jsx)(n.li,{children:'"Circuit이 Open 상태로 계속 유지됩니다. 어떻게 복구하나요?"'}),"\n"]}),"\n",(0,r.jsx)(n.h3,{id:"15-코드-품질--설계",children:"15. 코드 품질 & 설계"}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"기본:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"SOLID 원칙을 Spring에서 어떻게 적용하나요?"}),"\n",(0,r.jsx)(n.li,{children:"DTO vs Entity, 어떻게 변환하나요?"}),"\n"]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"중급:"})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:"Strategy Pattern을 Spring Bean으로 구현한 경험은?"}),"\n",(0,r.jsx)(n.li,{children:"Mapper 구현 방법은? (수동 vs ModelMapper vs MapStruct)"}),"\n",(0,r.jsx)(n.li,{children:"Validation을 어디에서 수행하나요? 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