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Exam AZ-305 topic 3 question 8 discussion

Actual exam question from Microsoft's AZ-305
Question #: 8
Topic #: 3
[All AZ-305 Questions]

HOTSPOT -
You plan to develop a new app that will store business critical data. The app must meet the following requirements:
✑ Prevent new data from being modified for one year.
✑ Maximize data resiliency.
✑ Minimize read latency.
What storage solution should you recommend for the app? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

Show Suggested Answer Hide Answer
Suggested Answer:
Box 1: Standard general-purpose v2
Standard general-purpose v2 supports immutable storage.
In general Standard general-purpose v2 is the preferred Microsoft recommendation.
Box 2: Zone-redundant storage (ZRS)
ZRS is more resilient compared to LRS.
Note: RA-GRS is even more resilient, but it is not an option here.
Reference:
https://docs.microsoft.com/en-us/azure/storage/blobs/storage-blob-immutable-storage
by mse89 at Sept. 1, 2022, 8:22 a.m.

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mse89
Highly Voted 2 years, 3 months ago
To minimize read latency premium block blobs is the right answer, the immutable storage is also supported on premium tier. https://docs.microsoft.com/en-us/azure/storage/blobs/immutable-storage-overview#supported-account-configurations
upvoted 121 times
ServerBrain
1 year, 11 months ago
The buzz words in this scenario are maximum and minimum, so I'm thinking minimum cost, ----->>> Standard v2..
upvoted 1 times
morito
1 year, 6 months ago
True, there are maximum and minimum requirements, but neither mention cost?
upvoted 10 times
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sawanti
1 year, 3 months ago
Bro, can you read? ✑ Prevent new data from being modified for one year. (Both Standard + Premium) ✑ Maximize data resiliency. (ZRS) ✑ Minimize read latency. (Premium) Hence - Premium. There isn't ANYTHING related with keyword "cost". Why do you make it up?
upvoted 25 times
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idoraemon999
1 year, 4 months ago
Premium Block is not good for "data", is more suitable for media (image, video)
upvoted 2 times
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santi1975
Highly Voted 2 years, 3 months ago
Agreed, no cost limits are mentioned. Correct Answer: Premium + ZRS
upvoted 59 times
ServerBrain
1 year, 11 months ago
Even if there are no cost limits mentioned, why recommend an higher cost option when you can do it for less??? Given answers are correct..
upvoted 2 times
FabrityDev
1 year, 10 months ago
Because we have to minimize latency and Premium is better in that regard.
upvoted 8 times
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xRiot007
9 months ago
"Even if there are no cost limits mentioned, why recommend an higher cost option when you can do it for less???" - Premium has lower latency.
upvoted 2 times
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Ivanvazovv
1 year, 10 months ago
Because one of the requirements is to minimize read latency which requires premium tier.
upvoted 13 times
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Pringlesucka
Most Recent 2 weeks ago
Wong.. Premium Block Blobs, and ZRS.
upvoted 1 times
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SeMo0o0o0o
3 weeks, 4 days ago
WRONG 1. Premium block blobs (to minimize read latency) 2. Zone-redundant storage (ZRS) (to maximize data resiliency)
upvoted 1 times
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Teerawee
2 months, 3 weeks ago
Premium block blobs Zone-redundant storage (ZRS)
upvoted 2 times
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cosmicT73
2 months, 3 weeks ago
Business critical data + low latency should be Premium given it supports preventing data overwrite
upvoted 1 times
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profesorklaus
6 months ago
Prevent new data from being modified for one year. - Premium ✑ Maximize data resiliency. - Standard and Premium ✑ Minimize read latency. - Premium So the choice is premium ZRS as GRS is not available
upvoted 1 times
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Lazylinux
7 months ago
Since NO cost limits are discussed => i would go for premium and ZRS (this is highest redundancy Premium provides i.e. LRS and ZRS - Block, Share but page ONLY LRS)
upvoted 2 times
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Lazylinux
8 months ago
As some others indicated premium block blobs - High performance (Low latency) and WORM policy applies to it ZRS offers data resiliency further info found here https://learn.microsoft.com/en-us/azure/virtual-machines/premium-storage-performance https://learn.microsoft.com/en-us/azure/storage/blobs/immutable-storage-overview
upvoted 1 times
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MichaelMelb
8 months, 1 week ago
premium block blobs + ZRS seems to be the correct answer "premium block blobs" meets "minimize latency" better than General V2
upvoted 4 times
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varinder82
8 months, 3 weeks ago
Final Answer: 1.Premium 2. ZRS
upvoted 4 times
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TJ001
10 months, 1 week ago
Premium blockblobs ,,timebased retention policies are supportedhttps://learn.microsoft.com/en-us/azure/storage/blobs/immutable-storage-overview#supported-account-configurations latency is less for premium cost is not a factor considered in the question
upvoted 1 times
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basak
1 year, 2 months ago
Premium + ZRS
upvoted 5 times
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AntonR
1 year, 3 months ago
off topic: but why is it, that almost all answers on this page are wrong? Why do I always have to check comments first
upvoted 5 times
AdventureChick
1 year, 2 months ago
This is true for the three -900 level exams, as well. A LOT of wrong answers. At least the -900 level ExamTopics don't have as many duplicate questions.
upvoted 1 times
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morito
1 year, 6 months ago
Premium Block Blob and ZRS. Use this link https://learn.microsoft.com/en-us/azure/storage/blobs/immutable-storage-overview#supported-account-configurations as a reference.
upvoted 1 times
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NotMeAnyWay
1 year, 8 months ago
Storage Account Type: Premium Block Blobs provide high-performance, low-latency storage for unstructured data such as images, videos, and documents. However, it does not provide a built-in feature to prevent data modification. Standard General Purpose v1 or v2 can be used with the help of additional features such as Azure Blob Versioning to meet the requirement of preventing new data from being modified for one year. Since the requirement is to minimize read latency, I would recommend using the Standard General Purpose v2 storage account type which offers a higher level of performance and scalability. Redundancy: To maximize data resiliency, I would recommend using Zone-Redundant Storage (ZRS) replication. This replicates data across multiple zones within a single region, providing high availability and resiliency in case of a zone failure. Therefore, the recommended storage solution for the given scenario would be to use Standard General Purpose v2 storage account type with ZRS redundancy and additional features such as Azure Blob Versioning to prevent new data from being modified for one year while minimizing read latency.
upvoted 6 times
C_M_M
1 year, 7 months ago
Blob storage offers data lock irrespective of which account- premium or V2. So I don't see how this V2 immutability means much here. You can apply readONLY lock on the containers for both account types. Besides immutability (time-based retention and legal hold) are supported in V2 & premium blob - https://learn.microsoft.com/en-us/azure/storage/blobs/immutable-storage-overview So latency should be the main deciding factor here.
upvoted 3 times
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jj22222
1 year, 9 months ago
Box 1: Premium Block blobs Box 2: ZRS
upvoted 2 times
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