DP-420日本語版試験勉強法 & DP-420基礎問題集

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>> DP-420日本語版試験勉強法 <<

試験の準備方法-信頼的なDP-420日本語版試験勉強法試験-素敵なDP-420基礎問題集

ShikenPASSが提供したMicrosoftのDP-420「Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB」試験問題と解答が真実の試験の練習問題と解答は最高の相似性があり、一年の無料オンラインの更新のサービスがあり、100%のパス率を保証して、もし試験に合格しないと、弊社は全額で返金いたします。

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Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB 認定 DP-420 試験問題 (Q63-Q68):

質問 # 63
You have an Azure subscription that contains an Azure Cosmos DB for NoSQL account named accounts In account1, you create a container that has the following configurations:
* Partition key: CompanylD
* Composite unique key: UserName and EmailAddress
To the container, you plan to add the data items shown in the following table.

How many conflicts will occur?

A. 0
B. 1
C. 2
D. 3

正解：A

質問 # 64
You maintain a relational database for a book publisher. The database contains the following tables.

The most common query lists the books for a given authorId.
You need to develop a non-relational data model for Azure Cosmos DB Core (SQL) API that will replace the relational database. The solution must minimize latency and read operation costs.
What should you include in the solution?

A. Create a container for Author and a container for Book. In each Author document and Book document embed the data from Bookauthorlnk.
B. Create Author, Book, and Bookauthorlnk documents in the same container.
C. Create a container that contains a document for each Author and a document for each Book. In each Book document, embed authorId.
D. Create a container for Author and a container for Book. In each Author document, embed booked for each book by the author. In each Book document embed author of each author.

正解：D

解説：
Explanation
Store multiple entity types in the same container.

質問 # 65
Note: This section contains one or more sets of questions with the same scenario and problem. Each question presents a unique solution to the problem. You must determine whether the solution meets the stated goals. More than one solution in the set might solve the problem. It is also possible that none of the solutions in the set solve the problem.
After you answer a question in this section, you will NOT be able to return. As a result, these questions do not appear on the Review Screen.
You have an Azure Cosmos DB for NoSQL database. The database hosts a container named families that stores data in the following format.

You need to return the following data:
- The ID of the family
- The family names of the children
- The name of any pets if the pet is a cat
Solution: You run the following query.

Does this meet the goal?

A. No
B. Yes

正解：B

解説：
Correct:
* You run the following query.

The following Azure Cosmos DB NoSQL query fulfills the requirements by unnesting child array items and filtering the pet array:
To retrieve the family ID, the children's family names, and the rabbit's name, you can use the query below.
SELECT f.id, c.familyName AS FamilyName, p.givenName AS petName
FROM families f
JOIN f.children c
JOIN (SELECT VALUE p FROM p IN c.pets WHERE p.type = 'cat') AS p
1. Flatten the Children Array
To access individual properties within the children sub-array, use a JOIN statement. In Azure Cosmos DB, a JOIN performs an inner product between the document root (f) and the array (f.children). This filters out any family documents that contain no children.
2. Isolate Cat Pets
To inspect the properties of the pets array embedded inside each child, apply a secondary JOIN on c.pets. The WHERE clause then filters these projected items to only include cases where the property $p.type$ matches the string "cat".
3. Project Specific Attributes
The SELECT clause restricts the final JSON output schema to contain exactly three custom- aliased properties:
familyId: Extracted from the root document
IDchildFamilyName: Extracted from the current child item
iterationpetName: Extracted from the matching pet item iteration
Incorrect:
* You run the following query.

Use two JOINS and one subquery, not three JOINS and a subquery.
* You run the following query.

CROSS APPLY should not be used.
Reference:
https://learn.microsoft.com/en-us/cosmos-db/query/subquery

質問 # 66
You maintain a relational database for a book publisher. The database contains the following tables.

The most common query lists the books for a given authorId. You need to develop a non- relational data model for Azure Cosmos DB for NoSQL that will replace the relational database.
The solution must minimize latency and read operation costs.
What should you include in the solution?

A. Create a container for Author and a container for Book. In each Author document and Book document embed the data from Bookauthorlnk.
B. Create Author, Book, and Bookauthorlnk documents in the same container.
C. Create a container that contains a document for each Author and a document for each Book. In each Book document, embed authorId.
D. Create a container for Author and a container for Book. In each Author document, embed bookId for each book by the author. In each Book document embed authorId of each author.

正解：D

解説：
https://docs.microsoft.com/en-us/azure/cosmos-db/sql/modeling-data#hybrid-data-models

質問 # 67
You have an Azure Cosmos DB account named account1.
You have several apps that connect to account1 by using the account's secondary key.
You then configure the apps to authenticate by using service principals.
You need to ensure that account1 will only allow apps to connect by using an Azure AD identity.
Which account property should you modify?

A. allowedOrxgins
B. disableKeyBasedMetadataWriteAccess ,
C. userAssignedldentatxe
D. disableLocalAuth

正解：D

解説：
The disableLocalAuth property is a boolean flag that indicates whether local authentication methods such as primary/secondary keys are disabled for the Azure Cosmos DB account. Setting this property to true improves security by ensuring that Azure Cosmos DB accounts exclusively require Azure Active Directory identities for authentication1.

質問 # 68
......

DP-420基礎問題集: https://www.shikenpass.com/DP-420-shiken.html

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