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

Questions 4

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 5

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 6

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 6

Options:

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Questions 7

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 8

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 9

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 9

Options:

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Questions 10

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.

After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You have an Azure Cosmos DB Core (SQL) API account named account 1 that uses autoscale throughput.

You need to run an Azure function when the normalized request units per second for a container in account1 exceeds a specific value.

Solution: You configure the function to have an Azure CosmosDB trigger.

Does this meet the goal?

Options:

A.

Yes

B.

No

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Questions 11

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.

After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You have an Azure Cosmos DB Core (SQL) API account named account 1 that uses autoscale throughput.

You need to run an Azure function when the normalized request units per second for a container in account1 exceeds a specific value.

Solution: You configure an Azure Monitor alert to trigger the function.

Does this meet the goal?

Options:

A.

Yes

B.

No

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Questions 12

You have operational data in an Azure Cosmos OB for NoSQL database.

Database users report that the performance of the database degrades significantly when a business analytics team runs large Apache Spark-based queries against the database.

You need 10 reduce the impact that running the Spark-based queries has on the database users.

What should you implement?

Options:

A.

Azure Synapse Link

B.

a default consistency level of Consistent Prefix

C.

a default consistency level of Strong

D.

the Spark connector

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Questions 13

You have three containers in an Azure Cosmos DB Core (SQL) API account as shown in the following table.

DP-420 Question 13

You have the following Azure functions:

A function named Fn1 that reads the change feed of cn1

A function named Fn2 that reads the change feed of cn2

A function named Fn3 that reads the change feed of cn3

You perform the following actions:

Delete an item named item1 from cn1.

Update an item named item2 in cn2.

For an item named item3 in cn3, update the item time to live to 3,600 seconds.

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 13

Options:

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Questions 14

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 14

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 14

Options:

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Questions 15

You have a database in an Azure Cosmos DB for NoSQL account that is configured for multi-region writes.

You need to use the Azure Cosmos DB SDK to implement the conflict resolution policy for a container. The solution must ensure that any conflict sent to the conflict feed.

Solution: You set ConfilictResolutionMode to Custom. You Set ResolutionProcedures to a custom stored procedure. You configure the custom stored procedure to use the isTomstone parameter to resolve conflict.

Does this meet the goal?

Options:

A.

Yes

B.

No

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Questions 16

You have an Azure Cosmos DB database that contains a container named container 1. The container1 container is configured with a maximum of 20,000 RU/s and currently contains 240 GB of data.

You need to estimate the costs of container1 based on the current usage.

How many RU/s will be charged?

Options:

A.

240

B.

4.000

C.

20,000

D.

24000

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Questions 17

You have an Azure Cosmos DB for NoSQL account that uses a custom conflict resolution policy. The account has a registered merge procedure that throws a runtime exception. The runtime exception prevents conflicts from being resolved.

You need to use an Azure function to resolve the conflicts. What should you use?

Options:

A.

a function that pulls items from the change feed and is triggered by a timer trigger

B.

a function that receives items pushed from the conflicts feed and is triggered by an Azure Cosmos DB trigger

C.

a function that pulls items from the conflicts feed and is triggered by a timer trigger

D.

a function that receives items pushed from the change feed and is triggered by an Azure Cosmos DB trigger

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Questions 18

You have a container that stores data about families. The following is a sample document.

DP-420 Question 18

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 18

Options:

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Exam Code: DP-420
Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Last Update: Mar 25, 2024
Questions: 121

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