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DP-420 Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Questions and Answers

Questions 4

You provision an Azure Cosmos DB for NoSQL container. You set the throughput to Autoscale, and the maximum request units per second {RU/s) to 20,000.

For how many RU/s will you be charged when the actual RU/s usage is zero?

Options:

A.

0

B.

200

C.

2,000

D.

4,000

E.

10,000

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Questions 5

You plan to deploy two Azure Cosmos DB Core (SQL) API accounts that will each contain a single database. The accounts will be configured as shown in the following table.

DP-420 Question 5

How should you provision the containers within each account to minimize costs? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

DP-420 Question 5

Options:

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Questions 6

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.

DP-420 Question 6

Options:

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Questions 7

You configure a backup for an Azure Cosmos DB for NoSQL account as shown in the following exhibit.

DP-420 Question 7

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.

NOTE: Each correct selection is worth one point.

DP-420 Question 7

Options:

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Questions 8

You are building an application that will store data in an Azure Cosmos DB for NoSQL account. The account uses the session default consistency level. The account is used by five other applications. The account has a single read-write region and 10 additional read regions.

Approximately 20 percent of the items stored in the account are updated hourly.

Several users will access the new application from multiple devices.

You need to ensure that the users see the same item values consistently when they browse from the different devices. The solution must not affect the other applications.

Which two actions should you perform? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

Options:

A.

Use implicit session management when performing read requests.

B.

Provide a stored session token when performing read requests.

C.

Associate a session token to the user account.

D.

Set the default consistency level to eventual.

E.

Associate a session token to the device.

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Questions 9

You configure Azure Cognitive Search to index a container in an Azure Cosmos DB Core (SQL) API account as shown in the following exhibit.

DP-420 Question 9

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.

NOTE: Each correct selection is worth one point.

DP-420 Question 9

Options:

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Questions 10

You have an Azure Cosmos DB Core (SQL) API account.

You run the following query against a container in the account.

SELECT

IS_NUMBER("1234") AS A,

IS_NUMBER(1234) AS B,

IS_NUMBER({prop: 1234}) AS C

What is the output of the query?

Options:

A.

[{"A": false, "B": true, "C": false}]

B.

[{"A": true, "B": false, "C": true}]

C.

[{"A": true, "B": true, "C": false}]

D.

[{"A": true, "B": true, "C": true}]

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Questions 11

You need to identify which connectivity mode to use when implementing App2. The solution must support the planned changes and meet the business requirements.

Which connectivity mode should you identify?

Options:

A.

Direct mode over HTTPS

B.

Gateway mode (using HTTPS)

C.

Direct mode over TCP

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Questions 12

You configure multi-region writes for account1.

You need to ensure that App1 supports the new configuration for account1. The solution must meet the business requirements and the product catalog requirements.

What should you do?

Options:

A.

Set the default consistency level of accountl to bounded staleness.

B.

Create a private endpoint connection.

C.

Modify the connection policy of App1.

D.

Increase the number of request units per second (RU/s) allocated to the con-product and con-productVendor containers.

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Questions 13

You need to provide a solution for the Azure Functions notifications following updates to con-product. The solution must meet the business requirements and the product catalog requirements.

Which two actions should you perform? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

Options:

A.

Configure the trigger for each function to use a different leaseCollectionPrefix

B.

Configure the trigger for each function to use the same leaseCollectionNair.e

C.

Configure the trigger for each function to use a different leaseCollectionName

D.

Configure the trigger for each function to use the same leaseCollectionPrefix

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Questions 14

You are creating a database in an Azure Cosmos DB Core (SQL) API account. The database will be used by an application that will provide users with the ability to share online posts. Users will also be able to submit comments on other users' posts.

You need to store the data shown in the following table.

DP-420 Question 14

The application has the following characteristics:

Users can submit an unlimited number of posts.

The average number of posts submitted by a user will be more than 1,000.

Posts can have an unlimited number of comments from different users.

The average number of comments per post will be 100, but many posts will exceed 1,000 comments.

Users will be limited to having a maximum of 20 interests.

For each of the following statements, select Yes if the statement is true. Otherwise, select No.

NOTE: Each correct selection is worth one point.

DP-420 Question 14

Options:

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Questions 15

You need to select the capacity mode and scale configuration for account2 to support the planned changes and meet the business requirements. What should you select? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

DP-420 Question 15

Options:

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Questions 16

You need to implement a solution to meet the product catalog requirements.

What should you do to implement the conflict resolution policy.

Options:

A.

Remove frequently changed field from the index policy of the con-product container.

B.

Disable indexing on all fields in the index policy of the con-product container.

C.

Set the default consistency level for account1 to eventual.

D.

Create a new container and migrate the product catalog data to the new container.

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Questions 17

You need to select the partition key for con-iot1. The solution must meet the IoT telemetry requirements.

What should you select?

Options:

A.

the timestamp

B.

the humidity

C.

the temperature

D.

the device ID

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Questions 18

You are troubleshooting the current issues caused by the application updates.

Which action can address the application updates issue without affecting the functionality of the application?

Options:

A.

Enable time to live for the con-product container.

B.

Set the default consistency level of account1 to strong.

C.

Set the default consistency level of account1 to bounded staleness.

D.

Add a custom indexing policy to the con-product container.

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Questions 19

You need to recommend indexes for con-product and con-productVendor. The solution must meet the product catalog requirements and the business requirements.

Which type of index should you recommend for each container? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

DP-420 Question 19

Options:

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Exam Code: DP-420
Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Last Update: Jun 14, 2024
Questions: 125

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