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Exam AZ-301 topic 4 question 8 discussion

Actual exam question from Microsoft's AZ-301
Question #: 8
Topic #: 4
[All AZ-301 Questions]

You plan to store data in Azure Blob storage for many years. The stored data will be accessed rarely.
You need to ensure that the data in Blob storage is always available for immediate access. The solution must minimize storage costs.
Which storage tier should you use?

  • A. Cool
  • B. Archive
  • C. Hot
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
Azure cool tier is equivalent to the Amazon S3 Infrequent Access (S3-IA) storage in AWS that provides a low cost high performance storage for infrequently access data.
Note: Azure's cool storage tier, also known as Azure cool Blob storage, is for infrequently-accessed data that needs to be stored for a minimum of 30 days.
Typical use cases include backing up data before tiering to archival systems, legal data, media files, system audit information, datasets used for big data analysis and more.
The storage cost for this Azure cold storage tier is lower than that of hot storage tier. Since it is expected that the data stored in this tier will be accessed less frequently, the data access charges are high when compared to hot tier. There are no additional changes required in your applications as these tiers can be accessed using APIs in the same manner that you access Azure storage.
Incorrect Answers:
B: Even though Azure archive storage offers the lowest cost in terms of data storage, its data retrieval charges are higher than that of hot and cool tiers. In fact, the data in the archive tier remains offline until the tier of the data is changed using a process called hydration. The process of hydrating data in the archive storage tier and moving it to either hot or cool tier could take up to 15 hours and, hence, it is only intended for data that can afford that kind of access delay.
C: The storage cost for this Azure cold storage tier is lower than that of hot storage tier.
References:
https://cloud.netapp.com/blog/low-cost-storage-options-on-azure
by pandeya442 at May 14, 2020, 3:21 a.m.

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AmineHZ
Highly Voted 5 years, 1 month ago
A is the correct answer
upvoted 8 times
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Baranli
Highly Voted 5 years ago
A Correct Answer, Azure Cool tire known as Azure Cool blob storage, open for immediate access for 30 days with lowest cost.
upvoted 7 times
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glam
Most Recent 4 years, 4 months ago
A. Cool
upvoted 1 times
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sanketshah
4 years, 5 months ago
A is correct answer.
upvoted 1 times
...
clearexam6677
4 years, 9 months ago
A is correct
upvoted 1 times
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gboyega
4 years, 11 months ago
Given Answer is Correct Cool storage can get the data back immediately and also lower storage cost
upvoted 7 times
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dev2dev
5 years ago
AWS reference was unnecessary.
upvoted 4 times
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pandeya442
5 years, 1 month ago
You need to ensure that the data in Blob storage is always available for immediate access-----> HOT
upvoted 2 times
dev2dev
5 years ago
cold storage can be made available immediately like hot storage but after 30 days a cool data is a slightly lower availability service-level agreement (SLA) and higher access costs compared to hot data are acceptable trade-offs for lower storage costs.
upvoted 4 times
tartar
4 years, 9 months ago
A is ok
upvoted 3 times
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A (35%)
C (25%)
B (20%)
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