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Exam AI-100 topic 1 question 4 discussion

Actual exam question from Microsoft's AI-100
Question #: 4
Topic #: 1
[All AI-100 Questions]

You are designing an AI solution that will analyze millions of pictures.
You need to recommend a solution for storing the pictures. The solution must minimize costs.
Which storage solution should you recommend?

  • A. an Azure Data Lake store
  • B. Azure File Storage
  • C. Azure Blob storage
  • D. Azure Table storage
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
Data Lake will be a bit more expensive although they are in close range of each other. Blob storage has more options for pricing depending upon things like how frequently you need to access your data (cold vs hot storage).
Reference:
http://blog.pragmaticworks.com/azure-data-lake-vs-azure-blob-storage-in-data-warehousing
by nusmn at June 21, 2020, 9:03 a.m.

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PaulMD
Highly Voted 4 years, 3 months ago
Cleared the AI-100 yesterday. This question appeared, but they replaced "Blob storage" with "queue storage". So, answer is clearly ADL.
upvoted 11 times
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rveney
Most Recent 2 years ago
recommended solution for storing the pictures and minimizing costs is Azure Blob storage (Option C).
upvoted 1 times
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MSD007
3 years, 11 months ago
Correct answer
upvoted 1 times
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berserkguts
4 years ago
this was in the AI-100 exam i took today, May 31
upvoted 2 times
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Cornholioz
4 years, 4 months ago
My bet is on Blob. ADL is built on blob but has additional features (not required in this case) which obviously costs more than simply Blob storage.
upvoted 2 times
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aitruthseeker
4 years, 5 months ago
Azure Blob Storage seems like the appropriate storage for images given the numbers
upvoted 1 times
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birender
4 years, 8 months ago
Azure Blob Storage "helps you create data lakes for your analytics needs". So data lake is build on Blob strage. Blob storage seems more appropriate as images/files are usually stored here and its meant to be cost effective too.
upvoted 2 times
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ritam2709
4 years, 11 months ago
Data Lake store will be costly. But it will be good if you need scalable feature. Most importantly Data Lake might not be available in all the regions.
upvoted 3 times
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nusmn
4 years, 12 months ago
For millions of pictures, will data lake store be better?
upvoted 1 times
awron_durat
4 years, 5 months ago
Data Lake is basically blob storage with extra features. Since you won't be doing any analytics on these photos directly in the storage but rather using ML to analyze something, blob storage is cheaper. The keywords are "minimize costs". If you were in the future planning on doing analytics in the storage location, then Data Lake is the way to go.
upvoted 4 times
PaulMD
4 years, 3 months ago
The questions says: "...solution that will *analyze* millions of pictures...".
upvoted 2 times
Derin_tade
3 years, 11 months ago
Yes it does say that... But there's a full stop and then it says you need to recommend a solution for "storing" the pictures.
upvoted 1 times
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C (25%)
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