Microsoft Exam DP-420 Topic 10 Question 44 Discussion

Actual exam question for Microsoft's DP-420 exam

Question #: 44
Topic #: 10

You have a container m an Azure Cosmos DB for NoSQL account. The container stores data about families. Data about parents, children, and pets are stored as separate documents.

Each document contains the address of each family. Members of the same family share the same partition key named family Id

You need to update the address for each member of the same family that share the same address. The solution must meet the following requirements:

* Be atomic consistent isolated, and durable (ACID).

* Provide the lowest latency.

What should you do?

AUpdate the document of each family member by using a transactional batch operation.

BUpdate the document of each family member separately by using a patch operation.

CUpdate the document of each family member separately and set the consistency level to strong.

Show Suggested Answer

Suggested Answer: A

by Shawn at Jul 17, 2024, 08:59 AM

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Almeta

3 days ago

Is it just me, or does this feel like a trick question? I mean, who has a family with multiple members in an Azure Cosmos DB account? That's some serious 'family planning' right there!

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Hmm, I'm not sure about that. Wouldn't setting the consistency level to strong be the safest option to ensure ACID compliance? It might come with a slight latency penalty, but it's worth it for data integrity.

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Christoper

22 days ago

I'm not sure about that. The question specifically mentions that the members of the same family share the same partition key, so a transactional batch operation might be the better choice here.

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Rory

22 days ago

That's true. Using a transactional batch operation is the best way to ensure ACID properties.

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Vivan

23 days ago

But updating separately may lead to inconsistencies. We need to ensure all updates are done together.

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1 months ago

I think we should update the document of each family member by using a transactional batch operation.

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Microsoft Exam DP-420 Topic 10 Question 44 Discussion

Contribute your Thoughts:

Almeta

Tiffiny

Christoper

Rory

Vivan

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Vivan