DP-420 Core Practice Questions

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 a container named container1 in an Azure Cosmos DB Core (SQL) API account. You need to make the contents of container1 available as reference data for an Azure Stream Analytics job. Solution: You create an Azure Data Factory pipeline that uses Azure Cosmos DB Core (SQL) API as the input and Azure Blob Storage as the output. Does this meet the goal?

• AA. Yes
• BB. No

Correct answer: A

Explanation

Instead create an Azure function that uses Azure Cosmos DB Core (SQL) API change feed as a trigger and Azure event hub as the output. The Azure Cosmos DB change feed is a mechanism to get a continuous and incremental feed of records from an Azure Cosmos container as those records are being created or modified. Change feed support works by listening to container for any changes. It then outputs the sorted list of documents that were changed in the order in which they were modified. The following diagram represents the data flow and components involved in the solution: C:\Users\Admin\Desktop\Data\Odt data\Untitled.jpg Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/sql/changefeed-ecommerce-solution

Was this answer correct?

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 a container named container1 in an Azure Cosmos DB Core (SQL) API account. You need to make the contents of container1 available as reference data for an Azure Stream Analytics job. Solution: You create an Azure function that uses Azure Cosmos DB Core (SQL) API change feed as a trigger and Azure event hub as the output. Does this meet the goal?

• AA. Yes
• BB. No

Correct answer: B

Explanation

The Azure Cosmos DB change feed is a mechanism to get a continuous and incremental feed of records from an Azure Cosmos container as those records are being created or modified. Change feed support works by listening to container for any changes. It then outputs the sorted list of documents that were changed in the order in which they were modified. The following diagram represents the data flow and components involved in the solution: C:\Users\Admin\Desktop\Data\Odt data\Untitled.jpg Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/sql/changefeed-ecommerce-solution

Was this answer correct?

You plan to create an Azure Cosmos DB Core (SQL) API account that will use customer-managed keys stored in Azure Key Vault. You need to configure an access policy in Key Vault to allow Azure Cosmos DB access to the keys. Which three permissions should you enable in the access policy? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

Select 3 answers.

• AA. Wrap Key
• BB. Get
• CC. List
• DD. Update
• EE. Sign
• FF. Verify
• GG. Unwrap Key

You need to implement a trigger in Azure Cosmos DB Core (SQL) API that will run before an item is inserted into a container. Which two actions should you perform to ensure that the trigger runs? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

Select 2 answers.

• AA. Append pre to the name of the JavaScript function trigger.
• BB. For each create request, set the access condition in RequestOptions.
• CC. Register the trigger as a pre-trigger.
• DD. For each create request, set the consistency level to session in RequestOptions.
• EE. For each create request, set the trigger name in RequestOptions.

You have a database in an Azure Cosmos DB Core (SQL) API account. The database is backed up every two hours. You need to implement a solution that supports point-in-time restore. What should you do first?

• AA. Enable Continuous Backup for the account.
• BB. Configure the Backup & Restore settings for the account.
• CC. Create a new account that has a periodic backup policy.
• DD. Configure the Point In Time Restore settings for the account.