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Skills measured
- Integrate an Azure Cosmos DB solution (5–10%)
- Maintain an Azure Cosmos DB solution (25–30%)
- Design and implement data distribution (5–10%)
- The English language version of this exam will be updated on August 4, 2022. Please download the exam skills outline below to see what’s changing.
- Design and implement data models (35–40%)
- Optimize an Azure Cosmos DB solution (15–20%)
Reference: https://docs.microsoft.com/en-us/learn/certifications/exams/dp-420?WT.mc_id=Azure_blog-wwl
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Microsoft DP-420 Korean Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Optimize an Azure Cosmos DB solution | 15-20% | - Define and implement indexing strategy
|
| Design and implement data models | 35-40% | - Implement connectivity and data access
|
| Integrate an Azure Cosmos DB solution | 5-10% | - Integrate with Azure services
|
| Design and implement data distribution | 5-10% | - Design replication strategy
|
| Maintain an Azure Cosmos DB solution | 25-30% | - DevOps and automation
|
Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version) Sample Questions:
Azure Cosmos DB for NoSQL 계정이 포함된 Azure 구독이 있습니다. 해당 계정은 Container1이라는 이름의 컨테이너를 호스팅합니다.
지난 4초 동안 어느 시점에 Container1이 삭제되었습니다.
Container1을 삭제하기 직전 시점으로 계정을 복원해야 합니다. 복원 방법은 관리자의 노력을 최소화해야 합니다.
무엇을 먼저 해야 할까요?
- A. 새로운 Azure Cosmos DB for NoSQL 계정을 생성합니다.
- B. Container1을 다른 Azure Cosmos DB for NoSQL 계정으로 복원합니다.
- C. 마지막으로 복원 가능한 타임스탬프를 확인합니다.
- D. 이벤트 피드 블레이드를 검토하세요.
Correct Answer: C 🗳️
Explanation: Only visible for DumpTorrent members. You can sign-up / login (it's free).
account1이라는 이름의 Azure Cosmos DB for NoSQL 계정이 있습니다.
App1이라는 앱이 account1에 연결되고 모든 요청에 대해 강력한 일관성을 사용합니다.
account1에 대해 Azure Cosmos DB 통합 캐시를 구현합니다.
App1이 통합 캐시를 사용하도록 설정해야 합니다.
어떻게 해야 할까요?
- A. 요청 일관성 수준을 세션으로 변경합니다.
- B. 연결 모드를 TCP를 통한 직접 모드로 설정합니다.
- C. MaxIntegratedCacheStaleness를 0으로 설정합니다.
- D. 요청 일관성 수준을 제한된 오래된 상태로 변경합니다.
Correct Answer: A 🗳️
Explanation: Only visible for DumpTorrent members. You can sign-up / login (it's free).
귀하는 Container1이라는 이름의 컨테이너를 호스팅하는 Azure Cosmos DB for NoSQL 계정을 보유하고 있습니다.
잔돈 공급 처리기를 구현합니다.
프로세서가 Container1에서 변경 사항이 발생하는 속도보다 변경 사항을 처리하는 속도가 더 느리다는 것을 발견했습니다.
문제를 해결해야 합니다.
무엇을 사용해야 할까요?
- A. 저장 프로시저
- B. 진단용 전문 질의
- C. 변경 피드 추정기
- D. 통합 캐시
Correct Answer: C 🗳️
Explanation: Only visible for DumpTorrent members. You can sign-up / login (it's free).
Azure Cosmos DB for NoSQL 데이터베이스가 있으며, 이 데이터베이스에는 Container1이라는 이름의 컨테이너가 있습니다.
Container1의 DefaultTimeToLive 속성은 -1입니다.
Container1에 항목을 삽입합니다. 삽입된 항목의 ttl 속성은 1000입니다.
해당 항목은 언제 자동으로 삭제되나요?
- A. 절대
- B. 항목에 마지막으로 접근한 후 1,000초
- C. 항목이 마지막으로 수정된 후 1,000초
- D. 항목에 마지막으로 접근한 후 1초
Correct Answer: C 🗳️
핫스팟 질문
다음 그림과 같이 인덱싱 정책이 있습니다.
\
아래 드롭다운 메뉴를 이용하여 그림에 제시된 정보를 바탕으로 각 질문에 대한 적절한 답을 선택하세요.
참고: 정답 하나당 1점입니다.
Correct Answer:
Explanation:
Box 1: ORDER BY c.name DESC, c.age DESC
Queries that have an ORDER BY clause with two or more properties require a composite index.
The following considerations are used when using composite indexes for queries with an ORDER BY clause with two or more properties:
If the composite index paths do not match the sequence of the properties in the ORDER BY clause, then the composite index can't support the query.
The order of composite index paths (ascending or descending) should also match the order in the ORDER BY clause.
The composite index also supports an ORDER BY clause with the opposite order on all paths.
Box 2: At the same time as the item creation
Azure Cosmos DB supports two indexing modes:
Consistent: The index is updated synchronously as you create, update or delete items. This means that the consistency of your read queries will be the consistency configured for the account.
None: Indexing is disabled on the container.
Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/index-policy
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