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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 759 discussion

A media company stores movies in Amazon S3. Each movie is stored in a single video file that ranges from 1 GB to 10 GB in size.

The company must be able to provide the streaming content of a movie within 5 minutes of a user purchase. There is higher demand for movies that are less than 20 years old than for movies that are more than 20 years old. The company wants to minimize hosting service costs based on demand.

Which solution will meet these requirements?

  • A. Store all media content in Amazon S3. Use S3 Lifecycle policies to move media data into the Infrequent Access tier when the demand for a movie decreases.
  • B. Store newer movie video files in S3 Standard. Store older movie video files in S3 Standard-infrequent Access (S3 Standard-IA). When a user orders an older movie, retrieve the video file by using standard retrieval.
  • C. Store newer movie video files in S3 Intelligent-Tiering. Store older movie video files in S3 Glacier Flexible Retrieval. When a user orders an older movie, retrieve the video file by using expedited retrieval.
  • D. Store newer movie video files in S3 Standard. Store older movie video files in S3 Glacier Flexible Retrieval. When a user orders an older movie, retrieve the video file by using bulk retrieval.
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Suggested Answer: A ūüó≥ÔłŹ

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Freddie26
Highly Voted 4 months ago
Technically, expedited retrieval for files is not guaranteed within 1-5 minutes for files larger than 250 MB+. See https://docs.aws.amazon.com/AmazonS3/latest/userguide/restoring-objects-retrieval-options.html.
upvoted 9 times
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osmk
Highly Voted 4 months ago
Selected Answer: B
S3 Standard-IA is for data that is accessed less frequently, but requires rapid access when needed. S3 Standard-IA offers the high durability, high throughput, and low latency of S3 Standard, with a low per GB storage price and per GB retrieval chargehttps://aws.amazon.com/s3/storage-classes/
upvoted 6 times
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NSA_Poker
Most Recent 5 days, 15 hours ago
Selected Answer: B
(A) is eliminated. Demand metric is popularly based & cannot be configured with Lifecycle policies. Ex: an old movie can have resurgent demand 20 years after it's sequel is released. (C) is eliminated. Expedited retrieval is for all but the largest archived objects (250 MB+). (D) is eliminated. Bulk retrieval takes hours. (B) is more expensive than S3 Glacier Flexible Retrieval but it's the only one that works.
upvoted 1 times
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bujuman
1 month, 2 weeks ago
Selected Answer: C
AS the pattern is uncertain- Customer could not, in advance, segregate data, the pattern will be determined on the fly - and with regard of the following S3 feature: S3 Intelligent-Tiering is an additional storage class that provides flexibility for data with unknown or changing access patterns. It automates the movement of your objects between storage classes to optimize cost. C will be the most cost effective for this use case.
upvoted 1 times
bujuman
1 month, 2 weeks ago
More insight: S3 Glacier Flexible Retrieval for the most flexible retrieval options that balance cost with access times ranging from minutes to hours. Your retrieval options permit you to access all the archives you need, when you need them, for one low storage price. This storage class comes with multiple retrieval options: - Expedited retrievals (restore in 1‚Äď5 minutes) - Standard retrievals (restore in 3‚Äď5 hours) - Bulk retrievals (restore in 5‚Äď12 hours). Bulk retrievals are available at no additional charge
upvoted 1 times
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Sergiuss95
1 month, 2 weeks ago
Selected Answer: C
Expedited 1-5min and for new files intelligent tier is a good option
upvoted 1 times
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mohammadthainat
2 months, 2 weeks ago
Selected Answer: C
All old files should be in--> Glacier Flexible Retrieval takes (1-5 minutes) to retrieve the file. New files should not stay in Standard Storage class forever --> Intelligent-Tiering
upvoted 2 times
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JackyCCK
2 months, 2 weeks ago
I don't think C is an option, S3 Glacier Flexible takes hour to retrieve the data. Option A is actually valid, but the way the option A describe it does not consider "demand patterns based on time" So it should be B
upvoted 1 times
JackyCCK
2 months, 2 weeks ago
expedited retrieval should not be used in that way as well
upvoted 1 times
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Drew3000
2 months, 3 weeks ago
Selected Answer: A
There is something I like about option A. It's the only one that deals with what happens with a movie that goes from "new" to "old". With other options, new movies will be new forever.
upvoted 1 times
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dkw2342
2 months, 3 weeks ago
Option B makes the most sense. Why not option C: 1. This is not an archival use case, the company runs a video streaming service, so objects are still accessed regularly. Accelerated Retrieval is designed for "occasional urgent requests for a subset of archives". 2. The 5 minute timeframe does not apply to items of 250+ MB. 3. Even if the timeframe were valid, it's not guaranteed ("typically") 4. Expedited retrieval is expensive if used frequently ($10.00 per 1,000 requests) - depending on access patterns, this may more than offset the savings in storage costs. https://docs.aws.amazon.com/AmazonS3/latest/userguide/restoring-objects-retrieval-options.html
upvoted 2 times
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TruthWS
2 months, 3 weeks ago
Option C
upvoted 1 times
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[Removed]
3 months ago
Selected Answer: C
Expedited Retrievals (1-5 minutes) Intelligent-Tiering cost
upvoted 1 times
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alawada
3 months ago
Selected Answer: C
Expedited Retrievals (1-5 minutes) - Intelligent-Tiering cost
upvoted 2 times
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xBUGx
3 months ago
Selected Answer: C
I go with C
upvoted 1 times
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lenotc
3 months ago
Selected Answer: C
C -> Expedited Retrievals (1-5 minutes) - Intelligent-Tiering cost (cost effective) D -> Bulk retrievals (5-12 hours) A -> does not consider demand patterns B -> It's ok, but "C" is more good fit to access patterns
upvoted 2 times
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jaswantn
3 months, 3 weeks ago
Selected Answer: A
option A is most correct option B..for moving files to standard IA , it needs to stay in S3 standard for minimum 30 days. option C..expedited retrieval does not necessarily guarantee big size file retrieval in <=5 minutes. option D... is also wrong as it would take time in hours. sam
upvoted 2 times
Drew3000
3 months, 2 weeks ago
It is possible to upload directly to standard IA.
upvoted 1 times
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haci
4 months ago
Selected Answer: C
Expedited retrievals is typically made available within 1‚Äď5 minutes. Each unit of capacity provides that at least three Expedited retrievals can be performed every 5 minutes and provides up to 150 megabytes per second (MBps) of retrieval throughput. There are some limitations but the bottom line is 5 minutes and I believe this leads us to Expedited retrievals. https://docs.aws.amazon.com/amazonglacier/latest/dev/downloading-an-archive-two-steps.html#api-downloading-an-archive-two-steps-retrieval-expedited-capacity
upvoted 4 times
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jaswantn
4 months ago
option B
upvoted 2 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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