Microsoft DP-420 Korean Q&A - in .pdf

  • DP-420 Korean pdf
  • Exam Code: DP-420 Korean
  • Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version)
  • Updated: Oct 20, 2026
  • Q & A: 206 Questions and Answers
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  • Exam Code: DP-420 Korean
  • Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version)
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  • Exam Code: DP-420 Korean
  • Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version)
  • Updated: Oct 20, 2026
  • Q & A: 206 Questions and Answers
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Languages: English, Japanese, Chinese (Simplified), Korean, German, French, Spanish, Portuguese (Brazil), Arabic (Saudi Arabia), Russian, Chinese (Traditional), Italian, Indonesian (Indonesia)

Retirement date: none

This exam measures your ability to accomplish the following technical tasks: design and implement data models; design and implement data distribution; integrate an Azure Cosmos DB solution; optimize an Azure Cosmos DB solution; and maintain an Azure Cosmos DB solution.

Reference: https://docs.microsoft.com/en-us/learn/certifications/exams/dp-420?WT.mc_id=Azure_blog-wwl

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The targeted audience of the Microsoft DP-420 Certification Exam is IT professionals, who are interested in designing and implementing cloud-native applications using Microsoft Azure Cosmos DB database technologies. The Microsoft DP-420 Certification Exam is an important certification exam for every IT professional, who wants to get a job in a reputable company. DP-420 Dumps suggest that those individuals who have job titles like Azure SQL Database Administrator, Azure SQL Database Developer, Azure Cosmos DB Administrator, and Azure Cosmos DB Developer can also take this certification exam.

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Microsoft DP-420 Korean Exam Syllabus Topics:

SectionWeightObjectives
Integrate an Azure Cosmos DB solution5-10%- Enable analytical workloads
  • 1. Query analytical store from Synapse
  • 2. Configure Azure Cosmos DB Mirroring
  • 3. Write data back from Spark
  • 4. Enable analytical store
- Implement solutions across services
  • 1. Implement Azure AI Search integration
  • 2. Use Change Feed for denormalization
  • 3. Enforce referential integrity
  • 4. Aggregate and archive data
  • 5. Integrate Azure Functions and Event Hubs
Maintain an Azure Cosmos DB solution25-30%- Monitor and troubleshoot Azure Cosmos DB solutions
  • 1. Monitor metrics and logs
  • 2. Monitor performance and availability
  • 3. Troubleshoot throughput issues
  • 4. Implement backup and recovery strategies
Optimize an Azure Cosmos DB solution15-20%- Optimize query performance
  • 1. Calculate query cost
  • 2. Adjust indexing policies
  • 3. Retrieve request unit cost
  • 4. Implement integrated cache
- Design and implement change feeds
  • 1. Manage change feed instances
  • 2. Consume change feeds using SDK
  • 3. Implement aggregation persistence
  • 4. Develop Azure Functions triggers
- Define and implement indexing strategy
  • 1. Configure custom indexing policies
  • 2. Implement composite indexes
  • 3. Optimize index performance
  • 4. Choose read-heavy or write-heavy indexing
  • 5. Choose appropriate index types
Design and implement data distribution5-10%- Design and implement replication strategy
  • 1. Perform manual failovers
  • 2. Choose a consistency model
  • 3. Define automatic failover policies
  • 4. Choose when to distribute data
  • 5. Evaluate consistency model impacts
- Design and implement multi-region writes
  • 1. Choose when to use multi-region writes
  • 2. Implement multi-region writes
  • 3. Implement conflict resolution policies
Design and implement data models35-40%- Implement server-side programming
  • 1. Implement triggers
  • 2. Implement user-defined functions
  • 3. Write and deploy stored procedures
- Design and implement a non-relational data model for Azure Cosmos DB for NoSQL
  • 1. Reference between documents
  • 2. Identify data and associated access patterns
  • 3. Denormalize data across documents
  • 4. Store multiple entity types in the same container
  • 5. Store multiple related entities in the same document
  • 6. Identify partition key, id, and unique keys
- Implement client connectivity options
  • 1. Implement singleton client
  • 2. Choose gateway or direct connectivity mode
  • 3. Use Azure Cosmos DB emulator
  • 4. Create database connections
  • 5. Configure client-side threading and logging
  • 6. Handle connection errors
- Plan and implement sizing and scaling
  • 1. Choose between serverless, provisioned, and free tier
  • 2. Evaluate throughput and storage requirements
  • 3. Configure throughput
  • 4. Design resource governance and scaling
  • 5. Evaluate global distribution costs
- Design a data partitioning strategy
  • 1. Evaluate cross-partition query cost
  • 2. Choose a partition key
  • 3. Choose a partitioning strategy
  • 4. Implement synthetic partition keys
  • 5. Plan for transactions with partition keys
  • 6. Evaluate throughput and data distribution
- Implement data access
  • 1. Use SDKs for CRUD operations
  • 2. Use consistency and query request options
  • 3. Implement patch operations
  • 4. Implement optimistic concurrency control
  • 5. Implement SQL queries with arrays and aggregation
  • 6. Manage transactional batch operations

Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version) Sample Questions:

Question #1

Azure Cosmos DB Core(SQL) API 계정이 있습니다.
계정 내 컨테이너에 대해 다음 쿼리를 실행합니다.
선택하다
IS_NUMBER( " 1234 " ) AS A,
IS_NUMBER(1234) AS B,
IS_NUMBER({prop: 1234}) AS C
해당 쿼리의 출력 결과는 무엇입니까?

  • A. [{ " A " : 거짓, " B " : 참, " C " : 거짓}]
  • B. [{ " A " : true, " B " : true, " C " : false}]
  • C. [{ " A " : true, " B " : true, " C " : true}]
  • D. [{ " A " : 참, " B " : 거짓, " C " : 참}]
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #2

Azure Cosmos OB for NoSQL 데이터베이스에 운영 데이터가 있습니다.
데이터베이스 사용자들은 비즈니스 분석 팀이 대규모 Apache Spark 기반 쿼리를 실행할 때 데이터베이스 성능이 크게 저하된다고 보고합니다.
Spark 기반 쿼리 실행이 데이터베이스 사용자에게 미치는 영향을 줄이려면 10가지 방법이 필요합니다.
무엇을 실행해야 할까요?

  • A. 기본 일관성 수준은 강함입니다.
  • B. 일관된 접두사의 기본 일관성 수준
  • C. Azure Synapse 링크
  • D. 스파크 커넥터
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #3

Azure Cosmos DB Core(SQL) API 계정에서 데이터를 수집하도록 Apache Kafka 인스턴스를 구성해야 합니다. telemetry라는 컨테이너의 데이터를 iot라는 Kafka 토픽에 추가해야 합니다. 솔루션은 데이터를 압축된 바이너리 형식으로 저장해야 합니다.
솔루션에 포함해야 할 세 가지 구성 항목은 무엇입니까? 각 정답은 솔루션의 일부를 나타냅니다.
참고: 정답 하나당 1점입니다.

  • A. " connect.cosmos.containers.topicmap " : " iot "
  • B. " connect.cosmos.containers.topicmap " : " iot#telemetry "
  • C. " connector.class " : " com.azure.cosmos.kafka.connect.source.CosmosDBSourceConnector "
  • D. " connector.class " : " com.azure.cosmos.kafka.connect.source.CosmosDBSinkConnector "
  • E. " key.converter " : " io.confluent.connect.avro.AvroConverter "
  • F. " key.converter " : " org.apache.kafka.connect.json.JsonConverter "
Reveal Solution  Discussion  0

Correct Answer: B,D,E  🗳️

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Question #4

프로비저닝된 처리량 용량 모드를 사용하는 storage1이라는 이름의 Azure Cosmos DB Core(SQL) API 계정이 있습니다.
storage1 계정에는 다음 표에 표시된 데이터베이스가 포함되어 있습니다.

데이터베이스에는 다음 표에 표시된 컨테이너가 포함되어 있습니다.

다음 각 문장에 대해, 문장이 사실이면 '예'를 선택하고, 그렇지 않으면 '아니요'를 선택하십시오.
참고: 정답 하나당 1점입니다.

Reveal Solution  Discussion  0

Correct Answer:


Explanation:

Box 1: No
Four containers with 1000 RU/s each.
Box 2: No
Max 8000 RU/s for db2. 8 containers, so 1000 RU/s for each container.
Box 3: Yes
Max 8000 RU/s for db2. 8 containers, so 1000 RU/s for each container. Can very well add an additional container.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/plan-manage-costs
https://azure.microsoft.com/en-us/pricing/details/cosmos-db/

Question #5

Azure Cosmos DB for NoSQL 계정에 Container1이라는 이름의 컨테이너를 생성할 계획입니다. 이 컨테이너에는 여러 조직의 사용자 로그인 세션 데이터가 저장됩니다. 각 사용자는 하나의 조직에 할당됩니다.
포함된 속성은 다음과 같습니다.
* 사용자엘드
* 세션엘드
* 세션 시작
* 조직
다음은 Container1에서 제공하는 일반적인 쿼리입니다.
다음 요구 사항을 충족하는 컨테이너에 대한 파티셔닝 스키마를 권장해야 합니다.
Container!에 대해 다음 요구 사항을 충족하는 파티셔닝 체계를 추천해야 합니다.
* 성능을 극대화합니다
* 읽기 쿼리 비용을 최소화합니다
파티션 크기 제한에 도달할 가능성을 최소화합니다.
권장 사항에 어떤 유형의 파티션 키와 어떤 파티션 키 속성을 포함해야 합니까? 답변하려면 답변 영역에서 적절한 옵션을 선택하십시오.
참고: 정답 하나당 1점입니다.

Reveal Solution  Discussion  0

Correct Answer:


Explanation:

Viewing page 1 out of 42 pages.
Viewing questions 1-5 out of 206 questions.

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