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Microsoft DP-420 Exam - Topic 1 Question 42 Discussion

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 IdYou 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?
A) Update the document of each family member by using a transactional batch operation.
B) Update the document of each family member separately by using a patch operation.
C) Update the document of each family member separately and set the consistency level to strong.

Microsoft DP-420 Exam - 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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Jacki
10 months ago
Totally agree with A, it keeps everything in sync!
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Sharen
10 months ago
Wait, can you really update all those docs atomically in Cosmos DB?
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Willow
10 months ago
Strong consistency sounds like overkill for this.
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Howard
10 months ago
I think option B is better for lower latency.
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Lanie
10 months ago
A transactional batch operation is the way to go!
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Hermila
11 months ago
Setting the consistency level to strong sounds good, but it might not be the most efficient way to handle updates for all family members at once.
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Kattie
11 months ago
I practiced a similar question where we had to update multiple documents, and I think using a batch operation was the best approach for consistency.
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Tiara
11 months ago
I'm not entirely sure, but I think patch operations might not guarantee atomicity, which is crucial here.
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Nakita
11 months ago
I remember we discussed transactional batch operations in class, and they seem to fit the ACID requirement well.
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Shayne
11 months ago
The question is pretty straightforward, but I want to make sure I understand the requirements correctly. Updating each member separately and setting the consistency level to strong doesn't seem like it would meet the ACID requirement, so I'm leaning towards the transactional batch operation.
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Shenika
11 months ago
Okay, I think I've got a strategy here. Since the family members share the same partition key, we can use a transactional batch operation to update all their addresses at once. That should give us the ACID properties we need and the lowest latency.
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Lera
11 months ago
Hmm, I'm a bit confused about the requirements here. We need to update the address for each family member, but it has to be atomic, consistent, isolated, and durable. I'm not sure if updating each member separately would meet those requirements.
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Raylene
11 months ago
This looks like a straightforward question about updating data in an Azure Cosmos DB container. I think the key is to find the most efficient and ACID-compliant way to update all the family members' addresses at once.
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Hannah
11 months ago
I'm feeling pretty confident about this one. The transactional batch operation seems like the best approach to update all the family members' addresses while meeting the ACID requirements. I'll make sure to double-check my work, but I think option A is the way to go.
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Nohemi
12 months ago
The Product Owner is responsible for the Product Backlog, so I think that's the best answer here.
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Jame
12 months ago
Okay, I've got this. The question is asking about the potential consequences of poor business decisions and the control measures in place. I'll evaluate each answer option thoughtfully.
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Stacey
2 years 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
2 years 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
2 years ago
B) Definitely, it's the most efficient way to update the address for each family member.
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Janessa
2 years ago
A) It's the best option for updating multiple documents with the same partition key.
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Kate
2 years ago
B) I agree, using a transactional batch operation ensures atomicity and consistency.
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Lewis
2 years ago
A) Update the document of each family member by using a transactional batch operation.
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Cordelia
2 years 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
2 years ago
But wouldn't updating the document of each family member separately with strong consistency also meet the requirements?
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Karan
2 years ago
I agree with Cordelia. Using a transactional batch operation ensures atomicity and consistency.
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Annmarie
2 years 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
2 years ago
C) Setting the consistency level to strong might also help ensure data integrity.
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Iluminada
2 years ago
A) Definitely, using a transactional batch operation ensures atomicity and consistency.
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Xochitl
2 years ago
B) I agree, batch operations are usually faster and would meet the low latency requirement.
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Katheryn
2 years ago
A) Update the document of each family member by using a transactional batch operation.
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Cordelia
2 years ago
I think we should update the document of each family member by using a transactional batch operation.
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Lucy
2 years 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
2 years ago
Updating all family members in a single transaction does seem like the most efficient way to go.
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Thomasena
2 years ago
I agree, option A is the best choice for ACID compliance.
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Darnell
2 years ago
Updating all family members in a single transaction does seem like the most efficient way to go.
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Lavina
2 years ago
I agree, option A is the best choice for ACID compliance.
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