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Exam AZ-305 topic 3 question 5 discussion

Actual exam question from Microsoft's AZ-305
Question #: 5
Topic #: 3
[All AZ-305 Questions]

HOTSPOT -
You plan to create an Azure Storage account that will host file shares. The shares will be accessed from on-premises applications that are transaction intensive.
You need to recommend a solution to minimize latency when accessing the file shares. The solution must provide the highest-level of resiliency for the selected storage tier.
What should you include in the recommendation? 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: Premium -
Premium: Premium file shares are backed by solid-state drives (SSDs) and provide consistent high performance and low latency, within single-digit milliseconds for most IO operations, for IO-intensive workloads.
Incorrect Answers:
✑ Hot: Hot file shares offer storage optimized for general purpose file sharing scenarios such as team shares. Hot file shares are offered on the standard storage hardware backed by HDDs.
✑ Transaction optimized: Transaction optimized file shares enable transaction heavy workloads that don't need the latency offered by premium file shares.
Transaction optimized file shares are offered on the standard storage hardware backed by hard disk drives (HDDs). Transaction optimized has historically been called "standard", however this refers to the storage media type rather than the tier itself (the hot and cool are also "standard" tiers, because they are on standard storage hardware).
Box 2: Zone-redundant storage (ZRS):
Premium Azure file shares only support LRS and ZRS.
Zone-redundant storage (ZRS): With ZRS, three copies of each file stored, however these copies are physically isolated in three distinct storage clusters in different Azure availability zones.
Reference:
https://docs.microsoft.com/en-us/azure/storage/files/storage-files-planning
by Eltooth at Dec. 13, 2021, 4:41 a.m.

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Eltooth
Highly Voted 3 years, 4 months ago
Correct answer - Premium and ZRS https://docs.microsoft.com/en-us/azure/storage/files/storage-files-planning#storage-tiers
upvoted 57 times
Shadow983
3 years, 4 months ago
Correct. Azure Files only support LRS and ZRS.
upvoted 13 times
Shadow983
3 years, 4 months ago
Standard support 4 types (LRS/ZRS/GRS/GZRS) Premium only support 2 types
upvoted 19 times
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dave22339
Highly Voted 1 year, 9 months ago
The only place I've ever seen premium performance describes as a storage tier is in this question. This question sucks. Going from the requirements I would choose premium but going by the words used in the question (and everywhere else) I would choose Hot. If this stupid question has dragged you down a google hole you're not alone.
upvoted 17 times
mmarkiew
1 year, 5 months ago
Agree that the question should ask about performance rather than tier (these are two different concepts). In any case, tiering isn't supported for file shares so choosing Hot wouldn't make sense in this context.
upvoted 3 times
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sawanti
1 year, 8 months ago
Premium has the greatest I/Os. Premium storages can only offer LRS and ZRS, so the answer is not hard
upvoted 2 times
Lazylinux
1 year ago
Easy said NOT hard because you got access to ET, question NOT hard but remembering it is very very hard with so much to learn, this is AZ104 question. This is memory question, so unless you got magic memory recall ability otherwise Good luck!
upvoted 4 times
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xRiot007
1 year, 2 months ago
The answer is not hard, but slightly confusing. A "potato-potato" kind of situation.
upvoted 2 times
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[Removed]
Most Recent 5 months, 3 weeks ago
CORRECT
upvoted 1 times
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Arthur_zw
8 months ago
The answer options for the Storage tiers are a trick becase they want to test if you know the difference Storage/Performance tiers: Standard and Premium, vs Access tiers: Hot, Cool and Transaction optimized
upvoted 2 times
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KarimaMaf
8 months, 2 weeks ago
Standard Azure file shares up to 5 TiB support all four redundancy types. Standard file shares larger than 5 TiB only support LRS and ZRS. Premium Azure file shares only support LRS and ZRS.
upvoted 1 times
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cris_exam
1 year, 1 month ago
https://learn.microsoft.com/en-us/azure/storage/common/storage-redundancy#supported-azure-storage-services Premium ZRS
upvoted 1 times
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jcxxxxx2020
1 year, 4 months ago
answer is correct. in my exam today
upvoted 5 times
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babakeyfgir
1 year, 5 months ago
it was a exam Question
upvoted 3 times
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Bintokol
1 year, 9 months ago
This question shows that Microsoft is not testing for Design, but for admin. You have to remember there is no GRS for premium storage accounts!.. Grrrr!!!
upvoted 8 times
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NotMeAnyWay
2 years, 1 month ago
1. Storage Tier: For transaction-intensive applications, it is recommended to use the "Premium" tier, which provides the highest performance and lowest latency. 2. Redundancy: Zone Redundant Storage (ZRS) replicates data across multiple zones within a single region, providing high availability and resiliency in case of a zone failure. It also offers low latency access to the file shares, which is essential for transaction-intensive applications. Premium Azure file shares only support LRS and ZRS.
upvoted 10 times
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zellck
2 years, 2 months ago
1. Premium 2. ZRS https://learn.microsoft.com/en-us/azure/storage/common/storage-account-overview#types-of-storage-accounts Premium performance storage accounts use solid-state drives (SSDs) for low latency and high throughput. https://learn.microsoft.com/en-us/azure/storage/common/storage-redundancy#zone-redundant-storage Zone-redundant storage (ZRS) replicates your storage account synchronously across three Azure availability zones in the primary region. Each availability zone is a separate physical location with independent power, cooling, and networking. ZRS offers durability for storage resources of at least 99.9999999999% (12 9's) over a given year.
upvoted 2 times
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totalz
2 years, 2 months ago
Not a very good question, according to doc, some regions in standard tier has better egress speed than premium!!
upvoted 2 times
totalz
2 years, 2 months ago
But then not all regions support ZRS for premium file shares!!
upvoted 1 times
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OPT_001122
2 years, 3 months ago
Box 1: Premium - Premium: Premium file shares are backed by solid-state drives (SSDs) and provide consistent high performance and low latency, within single-digit milliseconds for most IO operations, for IO-intensive workloads. Box 2: Zone-redundant storage (ZRS): Premium Azure file shares only support LRS and ZRS. Zone-redundant storage (ZRS): With ZRS, three copies of each file stored, however these copies are physically isolated in three distinct storage clusters in different Azure availability zones. Thanks to all who have mentioned the exam dates Answer is correct
upvoted 5 times
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PankajKataria
2 years, 4 months ago
Premium storage only supports LRS and ZRS
upvoted 1 times
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AubinBakana
2 years, 9 months ago
I would have gone for the for Transaction Optimized & GRS to save cost simply because it is always smart to put cost in perspectives but on second thought, sometimes cost doesn't matter and Premium & ZRS seem to be a good answer here.
upvoted 2 times
randomGame
2 years, 5 months ago
Yes, and "You need to recommend a solution to minimize latency when accessing the file shares". That means Premium is needed.
upvoted 1 times
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ajayasa
2 years, 9 months ago
Correct Answer : Premium and ZRS the key point in the question is low latency. premium storage supports low latency where as the transaction optimized provide consistent latency. hence tier is => Premium Premium File Storage supports only 2 that is LRS and ZRS as we need the high resiliency Answer is => ZRS. see link below: https://azure.microsoft.com/en-in/pricing/details/storage/files/
upvoted 2 times
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Gor
2 years, 11 months ago
Premium, ZRS.
upvoted 2 times
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