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Microsoft Exam DP-420 Topic 15 Question 54 Discussion

Actual exam question for Microsoft's DP-420 exam
Question #: 54
Topic #: 15
[All DP-420 Questions]

You have an Azure Cosmos DB for NoSQL account.

The change feed is enabled on a container named invoice.

You create an Azure function that has a trigger on the change feed.

What is received by the Azure function?

Show Suggested Answer Hide Answer
Suggested Answer: D

According to the Azure Cosmos DB documentation12, the change feed is a persistent record of changes to a container in the order they occur. The change feed outputs the sorted list of documents that were changed in the order in which they were modified.

The Azure function that has a trigger on the change feed receivesall the properties of the updated items2. The change feed does not include the original items or only the changed properties.The change feed also includes some system-defined properties such as _ts (the last modified timestamp) and _lsn (the logical sequence number)3.

Therefore, the correct answer is:


by Sarah at Nov 17, 2024, 04:22 PM

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Alexis
2 months ago
I'm just going to go with D and hope the exam doesn't change the feed on me.
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Lacresha
5 days ago
User1: Fingers crossed that the exam doesn't throw us off.
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Lashaunda
8 days ago
User3: I agree, let's go with D.
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Pilar
25 days ago
User2: Yeah, D seems like the best choice.
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Jutta
1 months ago
User1: I think D is the correct answer.
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Lavonda
2 months ago
Wait, does the change feed come with a free bowl of soup? I'm asking for a friend.
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Mitsue
1 months ago
B) only the partition key and the changed properties of the updated items
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Geoffrey
1 months ago
A) all the properties of the updated items
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Erasmo
2 months ago
D is the correct answer. The change feed only sends the changed properties and system-defined properties, not the entire document.
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Rolande
2 months ago
C seems like the right answer to me. The function should receive both the original and updated items.
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Hildegarde
1 months ago
Definitely, C seems like the most comprehensive choice for what the Azure function should receive.
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Oren
1 months ago
I agree, having access to all properties of both the original and updated items would be useful for the function.
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Stefany
1 months ago
Yeah, C sounds like the most logical option. It would be helpful to have access to both sets of properties.
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Sommer
1 months ago
I think C is the correct answer too. It makes sense to receive both original and updated items.
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Shaunna
2 months ago
I think the answer is B. The change feed only sends the partition key and the changed properties, not the entire document.
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Ming
2 months ago
Exactly, it's a more efficient way to handle the updates.
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Arlette
2 months ago
That makes sense, it helps optimize the performance of the function.
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Mari
2 months ago
So, the Azure function will receive only the necessary information.
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Tammy
2 months ago
I agree, the change feed only sends the partition key and the changed properties.
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Ma
3 months ago
I agree with Curtis, it makes sense for the Azure function to only receive the necessary information.
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Curtis
3 months ago
I believe it's only the partition key and the changed properties of the updated items.
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Ma
3 months ago
I think the Azure function receives all the properties of the updated items.
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