Microsoft Exam DP-420 Topic 5 Question 55 Discussion

Actual exam question for Microsoft's DP-420 exam

Question #: 55
Topic #: 5

You have an Azure subscription.

You plan to create an Azure Cosmos DB for NoSQL database named DB1 that will store author and book data for authors that have each published up to ten books. Typical and frequent queries of the data will include:

* All books written by an individual author

* The synopsis of individual books

You need to recommend a data model for DB1. The solution must meet the following requirements:

* Support transactional updates of the author and book data.

* Minimize read operation costs.

What should you recommend?

ACreate a single container that stores author items and book items, and then items that represent the relationship between the authors and their books.

BCreate three containers, one that stores author items, a second that stores book items, and a third that stores items that represent the relationship between the authors and their books.

CCreate two containers, one that stores author items and another that stores book items. Embed a list of each author's books in the corresponding author item.

DCreate a single container that stores author items and book items. Embed a list of each author's books in the

Show Suggested Answer

Suggested Answer: D

by Alison at Dec 10, 2024, 01:49 PM

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Rosendo

2 days ago

I think option A is the best choice because it keeps all the data in one container.

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Eric

2 days ago

I'd recommend option C. Embedding the book list in the author item makes sense for the given query patterns, and it also supports transactional updates.

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