Microsoft · DP-420

DP-420 試験練習問題

Name: DP-420 試験練習問題 PDF
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Azure Cosmos DB AI Developer

DP-420 の PDF 練習問題。資料の言語は英語です。購入はこの試験のみで、自動更新はありません。

試験概要

DP-420 は「Azure Cosmos DB AI Developer」の認定試験です。試験形式、時間、対応言語は以下をご確認ください。最新の出題範囲や受験条件は公式サイトをご参照ください。

試験コード: DP-420
公式の試験・資格名: Azure Cosmos DB AI Developer
試験形式: Proctored assessment; interactive items may be included
試験時間: 100 分
受験可能な言語: 英語、日本語、簡体字中国語、韓国語、ドイツ語、フランス語、スペイン語、ポルトガル語（ブラジル）、繁体字中国語、イタリア語

公式試験の対応言語と練習問題ファイルの言語は異なります。試験の版と言語は公式の予約ページでご確認ください。

公式情報：公式サイト
情報確認日：2026-10-20

対応言語

英語
簡体字中国語

購入前にお試し

最初の 20 問を無料プレビュー

全 271 問

題庫の元の順序で表示します。回答欄を開くと、正解と収録されている解説を確認できます。

問題の言語：英語。問題文・選択肢・正解・解説は元の題庫の言語で表示します。

免責事項：ExamPico の問題はすべてインターネット上の情報を整理したもので、学習参考用として提供しています。

問題 1

Question#1Topic1

HOTSPOT -
You have an Azure Cosmos DB Core (SQL) API account named account1 that has the disableKeyBasedMetadataWriteAccess property enabled.
You are developing an app named App1 that will be used by a user named DevUser1 to create containers in account1. DevUser1 has a non-privileged user account in the Azure Active Directory (Azure AD) tenant.
You need to ensure that DevUser1 can use App1 to create containers in account1.
What should you do? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:
Question illustration

正解と解説を表示

正解

解説

With disableKeyBasedMetadataWriteAccess enabled, use RBAC to grant container creation permissions. Container creation is a control-plane operation via the Azure Resource Manager API.

問題 2

Question#2Topic1

HOTSPOT -
You have an Azure Cosmos DB Core (SQL) account that has a single write region in West Europe.
You run the following Azure CLI script.
Question illustration
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Hot Area:

正解と解説を表示

正解

YNN

解説

failover-priority-change makes North Europe the write region. West Europe becomes read-only. Adding a region increases cost.

問題 3

Question#3Topic1

You are developing an application that will use an Azure Cosmos DB Core (SQL) API account as a data source.
You need to create a report that displays the top five most ordered fruits as shown in the following table.
Question illustration
A collection that contains aggregated data already exists. The following is a sample document:

Which two queries can you use to retrieve data for the report? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
A.

B.

C.

D.

A. SELECT TOP i.name, i.types, i.orders FROM items i WHERE EXISTS(SELECT VALUE t FROM t IN i.types WHERE t.name = 'fruit') ORDER BY i.orders, i.types
B. SELECT TOP i.name, i.types, i.orders FROM items i WHERE EXISTS(SELECT VALUE t FROM t IN i.types WHERE t.name = 'fruit') ORDER BY i.orders DESC
C. SELECT TOP i.name, i.types, i.orders FROM items i WHERE EXISTS(SELECT VALUE t FROM t IN i.types WHERE t.name = 'fruit') ORDER BY i.types DESC
D. SELECT TOP i.name, i.types, i.orders FROM items i WHERE ARRAY_CONTAINS(i.types, {name: 'fruit'}) ORDER BY i.orders DESC

正解と解説を表示

正解

解説

Top five fruits require ORDER BY i.orders DESC. Options B and D filter fruit items and sort by orders descending.

問題 4

Question#4Topic1

HOTSPOT -
You have a database in an Azure Cosmos DB Core (SQL) API account.
You plan to create a container that will store employee data for 5,000 small businesses. Each business will have up to 25 employees. Each employee item will have an emailAddress value.
You need to ensure that the emailAddress value for each employee within the same company is unique.
To what should you set the partition key and the unique key? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:
Question illustration

正解と解説を表示

正解

解説

Use companyId as partition key. Unique key on emailAddress enforces uniqueness per company (logical partition).

問題 5

Question#5Topic1

HOTSPOT -
You have a container named container1 in an Azure Cosmos DB Core (SQL) API account. The container1 container has 120 GB of data.
The following is a sample of a document in container1.
Question illustration
The orderId property is used as the partition key.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Hot Area:

正解と解説を表示

正解

YYN

解説

Partition key is orderId. Queries without orderId equality are cross-partition. Query with orderId equality is single-partition.

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