Free DP-420 Exam Braindumps (page: 11)

Page 11 of 23

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 Synapse pipeline that uses Azure Cosmos DB Core (SQL) API as the input and Azure Blob Storage as the output.
Does this meet the goal?

  1. Yes
  2. No

Answer(s): B

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 modi ed. 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 modi ed.
The following diagram represents the data ow and components involved in the solution:


Reference:

https://docs.microsoft.com/en-us/azure/cosmos-db/sql/changefeed-ecommerce-solution



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?

  1. Yes
  2. No

Answer(s): B

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 modi ed. 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 modi ed.
The following diagram represents the data ow and components involved in the solution:


Reference:

https://docs.microsoft.com/en-us/azure/cosmos-db/sql/changefeed-ecommerce-solution



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?

  1. Yes
  2. No

Answer(s): A

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 modi ed. 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 modi ed.
The following diagram represents the data ow and components involved in the solution:


Reference:

https://docs.microsoft.com/en-us/azure/cosmos-db/sql/changefeed-ecommerce-solution



You have an Azure Cosmos DB Core (SQL) API account.
The change feed is enabled on a container named invoice.
You create an Azure function that has a trigger on the change feed.
What is received by the Azure function?

  1. only the changed properties and the system-de ned properties of the updated items
  2. only the partition key and the changed properties of the updated items
  3. all the properties of the original items and the updated items
  4. all the properties of the updated items

Answer(s): B

Explanation:

Change feed is available for each logical partition key within the container.
The change feed is sorted by the order of modi cation within each logical partition key value.


Reference:

https://docs.microsoft.com/en-us/azure/cosmos-db/change-feed



Page 11 of 23



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