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Exam Code: DP-420
Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version)
Certification Provider: Microsoft
Corresponding Certification: Azure Cosmos DB Developer Specialty
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Checkout should take minutes, not paperwork. At Prep4away, buying the DP-420 Korean exam materials requires no new account registration — choose the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version) package, add it to your cart, fill in your receiving email, and you are done. Your 281 practice questions follow almost immediately.

Microsoft DP-420 Korean Exam Syllabus Topics:

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

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The DP-420 Korean exam is the official assessment for the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version) certification from Microsoft. Across the wide landscape of IT certifications, this credential verifies that you can apply its published objectives in realistic scenarios — and since most candidates aim to succeed in one focused attempt, the quality of your practice material is the variable that matters most.

Passing the DP-420 Korean exam requires 700/1000, and the registration fee is $165 USD. Since one focused attempt is the goal for most candidates, thorough practice beforehand protects both your score and your wallet.

Simply leave your email address, and our support team will send the free DP-420 Korean exam demo to your inbox within 2 hours. This email delivery exists for a reason: it spares you the inconvenience of unsafe download links and online advertising. Your information is protected by strict encryption throughout, and never revealed to any company or individual. The demo itself is a genuine sample of the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version) materials, finished by our IT expert team — quality you can verify before spending anything.

No formal prerequisite exams are required. Candidates should have experience developing Azure solutions and working with Azure Cosmos DB.

The official outline organizes the DP-420 Korean exam into weighted domains, including:

  • Design and implement data models (35-40%)
  • Integrate an Azure Cosmos DB solution (5-10%)
  • Maintain an Azure Cosmos DB solution (25-30%)

The Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version) practice questions at Prep4away are built around these same objectives — request the free demo by email to see how the content maps onto them.

The DP-420 Korean exam contains 40-60 questions with 100-120 minutes to complete them. Timed practice under the same limits is the reliable way to make that constraint feel routine.

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

컨테이너1이라는 이름의 컨테이너를 호스팅하는 Azure Cosmos DB 데이터베이스가 있습니다.
container1에 저장된 항목은 TTL 값이 명시적으로 설정되지 않는 한 만료되지 않도록 해야 합니다.
어떻게 해야 할까요?

  • A. DefaultTimeToLive 속성을 -1로 설정합니다.
  • B. DefaultTimeToLive 속성을 null로 설정합니다.
  • C. DefaultTimeToLive 속성을 0으로 설정합니다.
  • D. DefaultTimeToLive 속성을 제거합니다.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

핫스팟 질문
Azure Cosmos DB for NoSQL 계정이 포함된 Azure 구독이 있습니다. 해당 계정은 Container1이라는 이름의 컨테이너를 호스팅합니다.
품목은 Container1에 다음 형식으로 저장됩니다.

현재 재고 수준이 100보다 큰 품목에 대해 이름, 크기(GB) 및 현재 재고 수준을 조회해야 합니다.
어떻게 질문을 완료해야 할까요? 답변하려면 답변 영역에서 적절한 옵션을 선택하세요.
참고: 정답 하나당 1점입니다.

Reveal Solution  Discussion  0

Correct Answer:

귀하의 Azure 구독에는 account1이라는 이름의 Azure Cosmos DB for NoSQL 계정이 포함되어 있습니다.
account1에서 다음 표에 표시된 데이터 항목을 저장할 컨테이너를 생성할 계획입니다.

각 고객 품목에는 월별 고객 매출액이 포함되어 있습니다.
가장 많이 실행되는 쿼리는 각 사업 부문별 월별 매출을 집계한 매트릭스 데이터를 반환합니다. 이 매트릭스는 고객 사업 부문을 열로, 월을 행으로 사용합니다.
컨테이너에 대한 파티션 키를 구성해야 합니다. 솔루션은 쿼리 실행에 필요한 요청 단위(RU)를 최소화해야 합니다.
파티션 키에 어떤 속성을 사용해야 할까요?

  • A. 고객 이름
  • B. 고객 ID
  • C. 월별 고객 판매량
  • D. 고객 비즈니스 카테고리 ID
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

핫스팟 질문
Azure Resource Manager(ARM) 템플릿을 사용하여 Azure Cosmos DB for NoSQL 계정에 대한 멀티 마스터 지원을 배포할 계획입니다. 배포 시 다음 작업이 수행됩니다.
- 계정에 데이터베이스를 생성합니다.
- 데이터베이스에 컨테이너를 생성합니다.
- Azure Synapse Link가 해당 계정을 지원하도록 구성합니다.
템플릿에서 conflictResolutionPolicy 속성과 analyticalStorageTtl 속성을 구성해야 합니다.
각 속성에 어떤 네임스페이스를 사용해야 합니까? 답변하려면 답변 영역에서 적절한 옵션을 선택하십시오.
참고: 정답 하나당 1점입니다.

Reveal Solution  Discussion  0

Correct Answer:

IoT 기기의 데이터를 저장하기 위해 Azure Cosmos DB for NoSQL 솔루션을 설계하고 있습니다.
기기에서 데이터 쓰기는 매초마다 발생합니다. 데이터는 무기한 보존됩니다.
다음은 데이터의 예시입니다.

쓰기 작업을 위해서는 다음 요구 사항을 충족하는 파티션 키를 선택해야 합니다.
- 파티션 불균형을 최소화합니다
- 용량 제한을 방지합니다
- 핫 파티션을 방지합니다
어떻게 해야 할까요?

  • A. 파티션 키로 deviceId를 사용합니다.
  • B. 파티션 키로 deviceManufacturer를 사용하십시오.
  • C. deviceId와 난수를 포함하는 새로운 합성 키를 생성합니다.
  • D. deviceId와 deviceManfacturer를 포함하는 새로운 합성 키를 생성합니다.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

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