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Exam AZ-305 topic 2 question 21 discussion

Actual exam question from Microsoft's AZ-305
Question #: 21
Topic #: 2
[All AZ-305 Questions]

HOTSPOT
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You are planning an Azure Storage solution for sensitive data. The data will be accessed daily. The dataset is less than 10 GB.

You need to recommend a storage solution that meets the following requirements:

• All the data written to storage must be retained for five years.
• Once the data is written, the data can only be read. Modifications and deletion must be prevented.
• After five years, the data can be deleted, but never modified.
• Data access charges must be minimized.

What should you recommend? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

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IRISone
Highly Voted 1 year, 10 months ago
1. correct 2. Should be COntainer Policy for immutable storage. A resource lock does not prevent removal of files and folders. Prevents deleting resource inside the resource group
upvoted 73 times
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OPT_001122
Highly Voted 1 year, 10 months ago
1 is correct 2 - Container access policy
upvoted 30 times
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SeMo0o0o0o
Most Recent 3 weeks, 1 day ago
WRONG 1. General purpose v2 with Hot access tier for blobs 2. Container access policy
upvoted 1 times
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Thanveer
3 weeks, 6 days ago
1. GPv2 with hot access tier for blobs 2. Container access policy
upvoted 1 times
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23169fd
5 months, 2 weeks ago
Storage account type: General purpose v2 with Hot access tier for blobs: This option provides a balance between performance and cost, ideal for daily access. Configuration to prevent modifications and deletions: Container access policy with an immutable blob policy: This ensures that data cannot be modified or deleted, strictly adhering to the requirement of read-only access until the data can be deleted after five years.
upvoted 2 times
23169fd
5 months, 2 weeks ago
Storage account resource lock: Reason against: While a resource lock can prevent the entire storage account or container from being deleted, it doesn't inherently enforce immutability of the data. Resource locks are more suited for protecting against accidental deletion or modification of the resource itself, not the data within it. The Cool access tier is optimized for infrequently accessed data, which means lower storage costs but higher access charges. Since the data will be accessed daily, the higher access charges could lead to higher overall costs, which does not align with the requirement to minimize data access charges
upvoted 1 times
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Lazylinux
7 months ago
Storage account type: General purpose v2 with HOT access tier for blobs, it is most expensive in storage cost but CHEAPEST in access costs and hence meets requirements https://learn.microsoft.com/en-us/azure/storage/blobs/access-tiers-overview Once the data is written, the data can only be read. Modifications and deletion must be prevented. is called WORM and can only be done via policy and hence container access policy. For those who say Storage resource lock is NOT correct because it can achieve the required goal however it fails to stop it being modified i.e. in order to delete the storage/blob you need to remove the lock from read and make it modify at that moment no guarantee that no one is accessing it and modifying it and other problem is resource lock are way to administrative as compared to Container policy (automated) i.e. who will remember to remove lock of storage acc and allow for delete without ever being modified after 5 years!! Good Luck :)
upvoted 1 times
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Chenn
7 months ago
Storage account type: General purpose v2 with Cool access tier for blobs. This option is suitable because it allows storing data that is infrequently accessed, which helps minimize data access charges, and it supports blob storage which can handle datasets under 10 GB. Configuration to prevent modifications and deletions: Storage account resource lock. This option prevents modifications or deletions of the storage account resources, ensuring that once written, the data can only be read as required.
upvoted 1 times
Lazylinux
7 months ago
I tend to disagree, please read my comments.. cool is more expensive in access charges than hot, resource lock will not allow you delete without remove the lock and hence too much administration
upvoted 1 times
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xRiot007
9 months, 3 weeks ago
Box 2 is a container access policy (for immutable storage) A resource lock will only prevent the modification/deletion of the said resource, not of the data inside of that resource.
upvoted 2 times
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NagaByrd
1 year, 7 months ago
Same as Question #17 1. GPv2 with hot access tier for blobs 2. Container access policy
upvoted 9 times
Elecktrus
1 year, 2 months ago
It's not the same question #17. This question have a different option (Premium Block blobs) and this is the correct answer, because access cost to Premium Block is cheaper than GPv2 hot tier
upvoted 4 times
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NotMeAnyWay
1 year, 8 months ago
1. Storage account type: C. General purpose v2 with hot access tier for blobs The hot access tier provides lower data access costs compared to the cool access tier, making it more suitable for minimizing charges when data is accessed daily. Although the cool tier has lower storage costs, the data access charges are higher, which would not be ideal for your scenario. Premium block blobs are meant for high-performance scenarios and are not necessary for a small dataset of less than 10 GB. 2. Configuration to prevent modifications and deletions: B. Container access policy You can create a container access policy with specific permissions (in this case, read-only) and set an expiry time of five years. This policy prevents modifications and deletions, while still allowing the data to be read. After five years, the policy will expire, and the data can be deleted but not modified. Storage account resource locks and container access level settings don't offer the same granularity of control over the data as the container access policy.
upvoted 13 times
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Rams_84zO6n
1 year, 9 months ago
1. Premium block blobs 2. Container Policy https://azure.microsoft.com/en-us/pricing/details/storage/blobs/ Operations and data transfer
upvoted 6 times
AzureMasterChamp
1 year, 8 months ago
This is correct answer!!! https://learn.microsoft.com/en-us/azure/storage/blobs/immutable-storage-overview
upvoted 1 times
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Rams_84zO6n
1 year, 9 months ago
premium block blob, container access policy We only need to minimize access charge, not storage cost. https://learn.microsoft.com/en-us/azure/storage/blobs/storage-blob-block-blob-premium In other words, to access same amount of data within a given time - 500 million reads /second. That is much faster than GPv2 hot tier milisecond access time
upvoted 2 times
OrangeSG
1 year, 1 month ago
The question mentioned "The data will be accessed daily.". Can not assume super high read frequency.
upvoted 1 times
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zellck
1 year, 9 months ago
1. GPv2 with hot access tier for blobs 2. Container access policy https://learn.microsoft.com/en-us/azure/storage/blobs/immutable-storage-overview Immutable storage for Azure Blob Storage enables users to store business-critical data in a WORM (Write Once, Read Many) state. While in a WORM state, data cannot be modified or deleted for a user-specified interval. By configuring immutability policies for blob data, you can protect your data from overwrites and deletes.
upvoted 2 times
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Amrx
1 year, 9 months ago
For Data Storage and Access, Premium will be the cheapest. https://azure.microsoft.com/en-us/pricing/details/storage/blobs/
upvoted 2 times
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PatFFM
1 year, 9 months ago
The second answer is wrong. A resource lock does exactly what the name suggests - it locks the resource itself. To prevent modification of the files, a container access policy is needed.
upvoted 1 times
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ed79
1 year, 10 months ago
Why not Premium block blobs and the storage amount is small. Access charges are cheapest in the scenario
upvoted 2 times
CallmeZdzisiek
1 year, 10 months ago
Imho - GPV2 will be cheaper than Premium Block Blobs. You can check with Azure pricing calculator.
upvoted 1 times
ed79
1 year, 10 months ago
Check it out Premium is cheaper for data access https://azure.microsoft.com/en-us/pricing/details/storage/blobs/?cdn=disable
upvoted 2 times
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LeeVee
1 year, 10 months ago
GPv2 and Container Policy
upvoted 5 times
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