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Exam AZ-204 topic 2 question 38 discussion

Actual exam question from Microsoft's AZ-204
Question #: 38
Topic #: 2
[All AZ-204 Questions]

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
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You develop a software as a service (SaaS) offering to manage photographs. Users upload photos to a web service which then stores the photos in Azure
Storage Blob storage. The storage account type is General-purpose V2.
When photos are uploaded, they must be processed to produce and save a mobile-friendly version of the image. The process to produce a mobile-friendly version of the image must start in less than one minute.
You need to design the process that starts the photo processing.
Solution: Use the Azure Blob Storage change feed to trigger photo processing.
Does the solution meet the goal?

  • A. Yes
  • B. No
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by Amit_kk at July 31, 2021, 4:15 p.m.

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finnishr
Highly Voted 4 years ago
The answer is 100% correct. Change feed publishes records to the log within few minutes of the change. The process to produce a mobile-friendly version of the image must start in less than one minute. https://docs.microsoft.com/en-us/azure/storage/blobs/storage-blob-change-feed?tabs=azure-portal
upvoted 24 times
AhmedAbdelAziz
1 year, 5 months ago
Change feed is for logging purpose only
upvoted 2 times
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Zezere
Highly Voted 8 months, 3 weeks ago
Selected Answer: B
So this question comes several times. The possibilities are: 1. Trigger the photo processing from Blob storage events. 2. Convert the Azure Storage account to a BlockBlobStorage storage account. 3. Move photo processing to an Azure Function triggered from the blob upload 4. Create an Azure Function app that uses the Consumption hosting model and that is triggered from the blob upload. 5. Use the Azure Blob Storage change feed to trigger photo processing 1. is not right because it does not involve using azure function -> it can take up to 10min 2. is not right. The type of the blob hat no relevance here 3. is correct. Using Azure function implies low latency 4. Also correct. It is possible to use the consumption plan to reduce the costs. 5. Not correct. Change Feed is for the logs and has no relevance here.
upvoted 8 times
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space_cadet
Most Recent 7 months, 2 weeks ago
Selected Answer: B
I haven't seen the right solution to this ask yet. An event from the upload of a file to the web app should trigger a function app that processes the images and has an output binding to upload to a blob container. So an event grid topic might be the solution
upvoted 1 times
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AhmedAbdelAziz
1 year, 5 months ago
Change feed is for logging and took more than min , we should use EventGrid with Azure functions
upvoted 1 times
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FeriAZ
1 year, 6 months ago
Selected Answer: B
Azure Functions with a Blob Storage trigger is better suited for this requirement.
upvoted 1 times
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1989jay
1 year, 7 months ago
This question was on exam. 09/01/2024. Passed 872.
upvoted 3 times
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Ciupaz
1 year, 8 months ago
Selected Answer: B
No. Instead use Azure Event Grid.
upvoted 1 times
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Vladimir_Gajinov
1 year, 12 months ago
Selected Answer: B
Simply NO!
upvoted 1 times
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[Removed]
2 years, 4 months ago
Got this in exam today (5 April 2023)
upvoted 3 times
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chirandev
2 years, 4 months ago
Selected Answer: B
Change feed is for logging.
upvoted 3 times
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Esward
2 years, 6 months ago
Given answer is correct!
upvoted 1 times
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OPT_001122
2 years, 9 months ago
Selected Answer: B
correct.
upvoted 1 times
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gmishra88
2 years, 10 months ago
There is blob storage events through event grid and the azure-function-triggers as alternatives for faster processing
upvoted 1 times
gmishra88
2 years, 10 months ago
https://learn.microsoft.com/en-us/azure/storage/blobs/storage-blob-change-feed?tabs=azure-portal#should-i-use-the-change-feed-or-storage-events
upvoted 1 times
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Ganesh1983
3 years, 3 months ago
Selected Answer: B
change feed is more to do with audit requirements.
upvoted 1 times
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Freidrich
3 years, 5 months ago
Selected Answer: B
The correct answer is B: No.
upvoted 1 times
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edengoforit
3 years, 7 months ago
same question here and the answer is No according to the question below https://www.examtopics.com/discussions/microsoft/view/26699-exam-az-204-topic-1-question-19-discussion/
upvoted 2 times
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r__k
3 years, 8 months ago
Important info related to this question. https://docs.microsoft.com/en-us/azure/azure-functions/functions-bindings-storage-blob-trigger?tabs=csharp
upvoted 1 times
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