Exam DP-420 topic 3 question 23 discussion

Actual exam question from Microsoft's DP-420

Question #: 23
Topic #: 3

You plan to create an Azure Cosmos DB for NoSQL database named db1 that will contain two containers. One of the containers will contain blog posts, and the other will contain users. Each item in the blog post container will include:

• A single blog post
• The top 10 comments associated to the blog post
• The names of the users who created the blog post and the associated comments

You need to automatically update the usernames in the blog post container whenever a username in the user container changes.

What should you implement for the user container?

A. a stored procedure
B. a change feed processor
C. a post-trigger
D. a user-defined function (UDF)

Show Suggested Answer

Suggested Answer: B 🗳️

by [deleted] at April 23, 2024, 10:55 a.m.

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YellowSky002

3 months, 2 weeks ago

Selected Answer: B

Between ChangeFeedProcessor and PostTrigger the difference is the Scope of the change. ChangeFeedProcessor Processes a continuous stream of changes (inserts, updates, deletes) from the Change Feed. While PostTrigger Executes within the same transaction as the operation that triggered it (create, update, or delete). In the context of this question, We want to update the container. That is why the answer is B.

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[Removed]

6 months, 1 week ago

Selected Answer: B

Change feed is correct

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Exam DP-420 topic 3 question 23 discussion

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YellowSky002

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