DP-420최신시험 - DP-420인기덤프

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DP-420 시험은 Azure Cosmos DB를 사용하여 클라우드 네이티브 애플리케이션을 설계하고 구현하는 전문성을 입증하는 좋은 방법입니다. 데이터 모델을 설계하고 구현하며, 데이터를 파티션하고 쿼리 성능을 최적화하고 일반적인 문제를 해결하는 능력을 시험해 볼 수 있습니다. 또한, Azure Functions, Azure Event Grid 및 Azure Stream Analytics를 사용하여 이벤트 기반 아키텍처 및 구축 방법에 대한 지식을 증명해야 합니다. DP-420 시험을 통과하면 클라우드 네이티브 애플리케이션 개발 분야에서 경쟁 우위를 갖게 되며 새로운 직업 기회를 열어줄 것입니다.

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Microsoft DP-420 시험은 IT 전문가들이 Microsoft Azure Cosmos DB를 사용하여 클라우드 네이티브 애플리케이션을 설계하고 구현하는 능력과 지식을 자랑하는 뛰어난 기회입니다. 클라우드 네이티브 애플리케이션에 대한 수요가 높아지면서, 이 시험을 통과 함으로써 전문성을 인증받을 뿐만 아니라 취업 시장에서 경쟁력을 유지할 수 있는 기회가 될 것입니다.

최신 Azure Cosmos DB Developer Specialty DP-420 무료샘플문제 (Q155-Q160):

질문 # 155
You have a container in an Azure Cosmos DB for NoSQL account. The container stores data about families. Data about parents, children, and pets are stored as separate documents.
Each document contains the address of each family. Members of the same family share the same partition key named familyId.
You need to update the address for each member of the same family that share the same address. The solution must meet the following requirements:
- Be atomic, consistent, isolated, and durable (ACID).
- Provide the lowest latency.
What should you do?

A. Update the document of each family member by using a transactional batch operation
B. Update the document of each family member separately by using a patch operation
C. Update the document of each family member separately and set the consistency level to strong

정답：A

설명：
Each transaction provides ACID (Atomicity, Consistency, Isolation, Durability) property guarantees.
Transactional batch operations offer reduced latency on equivalent operations.
Note: Transactional batch describes a group of point operations that need to either succeed or fail together with the same partition key in a container. In the .NET SDK, the TransactionalBatch class is used to define this batch of operations. If all operations succeed in the order they are described within the transactional batch operation, the transaction will be committed. However, if any operation fails, the entire transaction is rolled back.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/sql/transactional-batch

질문 # 156
You have an Azure Cosmos DB for NoSQL account that frequently receives the same three queries.
You need to configure indexing to minimize RUs consumed by the queries.
Which type of index should you use for each query? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

정답：

설명：

Explanation:
Box 1 = Range Azure Cosmos DB supports three types of indexes: range, spatial and composite. For the query you provided, which is an equality query on a single property, the best type of index to use is range. Range index is based on an ordered tree-like structure and it is used for equality queries, range queries and checking for the presence of a property1. Range index also supports any string or number2.
Box 2 = Composite
Azure Cosmos DB supports three types of indexes: range, spatial and composite. For the query you provided, which is an order by query on two properties, the best type of index to use is composite. Composite index is used for optimizing order by queries on multiple properties1. Composite index allows you to specify a list of property paths and sort orders that are used for ordering items2.
Box 3 = spatial
Azure Cosmos DB supports three types of indexes: range, spatial and composite. For the query you provided, which is a spatial query on a point property, the best type of index to use is spatial. Spatial index is used for querying items based on their location or proximity to a given point1. Spatial index supports point, polygon and linestring data types2.

질문 # 157
You have the following Azure Resource Manager (ARM) template.

You plan to deploy the template in incremental mode.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.

정답：

설명：

질문 # 158
You have a container in an Azure Cosmos DB for NoSQL account. The database that has a manual throughput of 30,000 request units per second (RU/s). The current consumption details are shewn in the following chart.
Normalized RU Consumption (%) By PartitionKeyRangeID

Use the drop-down menus to select the answer choice that answers each question based on the information presented in the graphic. NOTE: Each correct selection is worth one point.

정답：

설명：

질문 # 159
The below diagram illustrates the configuration settings for a container in an Azure Cosmos DB Core (SQL) API account.
Which of the following statements rightly describes the container's configuration?

A. Items stored in containers will get retained always, regardless of the time to live value of the items.
B. Items will be expired only if they have a time to live value.
C. All the items will be deleted after 1 month.
D. All the items will be deleted after 1 hour.

정답：B

설명：
Time to live can be set on a container or an item within the container.
https://docs.microsoft.com/en-us/azure/cosmos-db/sql/time-to-live

질문 # 160
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