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Microsoft Exam DP-420 Topic 1 Question 42 Discussion

Actual exam question for Microsoft's DP-420 exam
Question #: 42
Topic #: 1
[All DP-420 Questions]

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?

Show Suggested Answer Hide Answer
Suggested Answer: A

by Abraham at Jul 02, 2024, 12:23 PM

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Stacey
10 months ago
I love how they sneak in that 'lowest latency' requirement. Very sneaky, Azure Cosmos DB. Option A gets my vote.
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Sherrell
10 months ago
Option C seems like overkill. Strong consistency is great, but do we really need it for a simple address update? A is the clear winner here.
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Miesha
9 months ago
B) Definitely, it's the most efficient way to update the address for each family member.
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Janessa
9 months ago
A) It's the best option for updating multiple documents with the same partition key.
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Kate
9 months ago
B) I agree, using a transactional batch operation ensures atomicity and consistency.
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Lewis
9 months ago
A) Update the document of each family member by using a transactional batch operation.
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Cordelia
10 months ago
That's a good point, Elizabeth. However, using a transactional batch operation would provide the lowest latency as well.
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Elizabeth
10 months ago
But wouldn't updating the document of each family member separately with strong consistency also meet the requirements?
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Karan
10 months ago
I agree with Cordelia. Using a transactional batch operation ensures atomicity and consistency.
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Annmarie
11 months ago
I was leaning towards option B, but the requirement for low latency makes me think A might be the better choice. Batched operations should be faster.
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Kiley
10 months ago
C) Setting the consistency level to strong might also help ensure data integrity.
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Iluminada
10 months ago
A) Definitely, using a transactional batch operation ensures atomicity and consistency.
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Xochitl
10 months ago
B) I agree, batch operations are usually faster and would meet the low latency requirement.
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Katheryn
10 months ago
A) Update the document of each family member by using a transactional batch operation.
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Cordelia
11 months ago
I think we should update the document of each family member by using a transactional batch operation.
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Lucy
11 months ago
Hmm, I think option A is the way to go. Updating all family members in a single transaction seems like the best way to ensure ACID compliance.
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Caprice
10 months ago
Updating all family members in a single transaction does seem like the most efficient way to go.
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Thomasena
10 months ago
I agree, option A is the best choice for ACID compliance.
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Darnell
11 months ago
Updating all family members in a single transaction does seem like the most efficient way to go.
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Lavina
11 months ago
I agree, option A is the best choice for ACID compliance.
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